Fix the generated copyright sections in the HTML help file.

a few test & docs fixes
[db0a5f6417] Make a few tests resilient to differences in semantics of pipes between OSs.
2016-11-02 01:42:49 +00:00 · 2016-07-26 13:54:57 +00:00 · 2016-07-26 10:08:29 +00:00 · 2016-07-24 13:09:40 +00:00 · 2016-07-24 12:45:07 +00:00 · 2016-07-22 15:28:50 +00:00
294 changed files with 6930 additions and 4327 deletions
@@ -1,5 +1,5 @@
 README:  Tcl
-    This is the Tcl 8.6.4 source distribution.
+    This is the Tcl 8.6.6 source distribution.
 	http://sourceforge.net/projects/tcl/files/Tcl/
    You can get any source release of Tcl from the URL above.

@@ -8529,6 +8529,172 @@ include ::oo::class (fellows)

 --- Released 8.6.4, March 12, 2015 --- http://core.tcl.tk/tcl/ for details

+2015-03-19 (bug)[e66e44] Win: Ctrl-C/Ctrl-Break in console not EOF (nadkarni)
+
+2015-03-21 (bug)[d87cb1] Proper tailcall from compiled ensembles (sofer)
+
+2015-04-23 (bug)[19ea02] Win: shared read from linked dirs (bogdan,oehhar)
+
+2015-04-24 (bug)[879a07] Incomplete chars @ buffer ends (leunissen,porter)
+
+2015-04-29 (bug)[894da1] Hang flushing blocking channels (yorick)
+
+2015-05-14 (enhance)[b9d043] Default use of gzip transfer encoding (fellows)
+=> http 2.8.9
+        *** POTENTIAL INCOMPATIBILITY ***
+
+2015-05-15 (bug)[9dd1bd] destructor [self] after failed constructor (calvo,fellows)
+
+2015-05-15 (bug)[0f42ff] [tailcall] combined with [next] (aspect,fellows)
+
+2015-05-18 (bug)[c11a51] http: race condition in -accept option (fellows)
+
+2015-05-19 (enhance) More pure lists from compiled [list] (porter,fellows)
+
+2015-05-27 (enhancement) Relax memdebug constraint on extensions (kupries)
+
+2015-06-03 (bug)[268b23] crash in traced [expr] (execute-11.2)(tomkinson,porter)
+
+2015-06-11 (bug)[478c44] Memleak in zlib compresion errors (mistachkin)
+
+2015-06-16 (bug)[e770d9] Higher baud on serial channels (woods,nijtmans)
+
+2015-06-18 (update) Update Unicode data to 8.0 (nijtmans)
+        *** POTENTIAL INCOMPATIBILITY ***
+
+2015-06-18 (bug)[a4cb3f] compiled [lreplace] handling of end (bron,aspect)
+
+2015-06-23 (enhance) Use Unicode SendMessageTimeout() (nijtmans)
+=> registry 1.3.1
+
 2015-06-25 (TIP 412) msgcat dynamic locale change and package private locale (oehlmann)
 => msgcat 1.6.0

+2015-07-05 (bug)[a0ece9] crash in traced [expr] (execute-11.3) (hans,porter)
+
+2015-07-10 (TIP 436) [info object isa] favors 'false' over error (fellows)
+=> TclOO 1.0.4
+
+2015-07-15 (bug)[b1534b][9bad63] writes beyond buffer bounds (hanno,porter)
+
+2015-07-18 (bug)[a3309d] Memleak in compiled [unset a($i)] (jeff,porter)
+
+2015-07-23 (bug)[57945b] lock in forking/multi-threading (neumann,mistachkin)
+
+2015-07-29 (bug)[3e7eca] Allocation overflow in expr parsing (rickyb,porter)
+
+2015-07-30 (bug)[f00009] Win: Memleak in [file] (rp,sebres)
+
+2015-07-31 (bug) Correct problems found in Coverity audit (sofer)
+
+2015-08-19 (bug)[00189c] MSVC 14: semi-static UCRT support (dower,nijtmans)
+
+2015-08-26 (bug)[0df7a1] Tolerate getcwd() failures (cato,nijtmans)
+
+2015-09-21 (bug)[1115587][a3c350][d7ea9f][0e0e15][187d7f] Many fixes and
+improvements to regexp engine from Postgres (lane,porter,fellows,seltenreich)
+
+2015-09-23 (enhance) hash lookup microoptimization (hipp)
+
+2015-09-23 (bug)[e0a7b3] Input buffer draining & file events (griffin,porter)
+
+2015-09-29 (bug)[219866] Cygwin support error (yorick,nijtmans)
+=> platform 1.0.14
+
+2015-10-06 (bug)[b42a85] Win: [file normalize ~user] wrong dir (nadkarni)
+
+2015-10-21 (bug)[1080042][8f2450] More regexp from Postgres (lane,porter)
+
+2015-10-23 (bug)[4a0c16] [clock] react to msgcat locale change (oehlmann)
+
+2015-11-10 (bug)[261a8a] Overflow segfault in I/O translation (brooks,porter)
+
+2015-11-20 (bug)[40f628] ListObjReplace callers fail to detect max (porter)
+
+2015-11-30 (enhance)[32c574] Improve list growth performance (brooks,porter)
+
+2015-12-11 (bug)[c9eb6b] tolerate unset ::env(TZ) (gahr, nijtmans)
+
+2016-01-29 (TIP 440) tcl_platform(engine) -- Tcl implementation (mistachkin)
+
+2016-02-03 (bug)[25842c] stream [zlib deflate] fails with 0 input (ade,fellows)
+
+2016-02-04 (bug)[3d96b7][593baa][cf74de] crashes in OO teardown (porter,fellows)
+
+2016-02-22 (bug)[9b4702] [info exists env(missing)] kills trace (nijtmans)
+
+--- Released 8.6.5, February 29, 2016 --- http://core.tcl.tk/tcl/ for details
+
+2016-03-01 (bug)[803042] mem leak due to reference cycle (porter)
+
+2016-03-08 (bug)[bbc304] reflected watch race condition (porter)
+
+2016-03-17 (bug)[fadc99] compile-5.3 (rodriguez,porter)
+
+2016-03-17 (enhancement)[1a25fd] compile [variable ${ns}::v] (porter)
+
+2016-03-20 (bug)[1af8de] crash in compiled [string replace] (harder,fellows)
+
+2016-03-21 (bug)[d30718] segv in notifier finalize (hirofumi,nijtmans)
+
+2016-03-23 (enhancement)[7d0db7] parallel make (yarda,nijtmans)
+
+2016-03-23 [f12535] enable test bindings customization (vogel,nijtmans)
+
+2016-04-04 (bug)[47ac84] compiled [lreplace] fixes (aspect,ferrieux,fellows)
+        *** POTENTIAL INCOMPATIBILITY ***
+
+2016-04-08 (bug)[866368] RE \w includes 'Punctuation Connector' (nijtmans)
+
+2016-04-08 (bug)[2538f3] Win crash Tcl_OpenTcpServer() (griffin)
+
+2016-04-10 [07d13d] Restore TclBlend support lost in 8.6.1 (buratti)
+
+2016-05-13 (bug)[3154ea] Mem corruption in assembler exceptions (tkob,kenny)
+
+2016-05-13 (bug) registry package support any Unicode env (nijtmans)
+=> registry 1.3.2
+
+2016-05-21 (bug)[f7d4e] [namespace delete] performance (fellows)
+
+2016-06-02 (TIP 447) execution time verbosity option (cerutti)
+=> tcltest 2.4.0
+
+2016-06-16 (bug)[16828b] crash due to [vwait] trace undo fail (dah,porter)
+
+2016-06-16 (enhancement)[4b61af] good [info frame] from more cases (beric)
+
+2016-06-21 (bug)[c383eb] crash in [glob -path a] (oehlmann,porter)
+
+2016-06-21 (update) Update Unicode data to 9.0 (nijtmans)
+        *** POTENTIAL INCOMPATIBILITY ***
+
+2016-06-22 (bug)[16896d] Tcl_DString tolerate append to self. (dah,porter)
+
+2016-06-23 (bug)[d55322] crash in [dict update] (yorick,fellows)
+
+2016-06-27 (bug)[dd260a] crash in [chan configure -dictionary] (madden,aspect)
+
+2016-07-02 (bug)[f961d7] usage message with parameters with spaces (porter)
+        *** POTENTIAL INCOMPATIBILITY ***
+
+2016-07-02 (enhancement)[09fabc] Sort order of -relateddir (lanam)
+
+2016-07-07 (bug)[5d7ca0] Win: [file executable] for .cmd and .ps1 (nadkarni)
+        *** POTENTIAL INCOMPATIBILITY ***
+
+2016-07-08 (bug)[a47641] [file normalize] & Windows junctions (nadkarni)
+
+2016-07-09 [ae61a6] [file] handling of Win hardcoded names (CON) (nadkarni)
+        *** POTENTIAL INCOMPATIBILITY ***
+
+2016-07-09 [3613671] [file owned] (more) useful on Win (nadkarni)
+
+2016-07-09 (bug)[1493a4] [namespace upvar] use of resolvers (beric,fellows)
+        *** POTENTIAL INCOMPATIBILITY ***
+
+2016-07-10 (bug)[da340d] integer division in clock math (nadkarni)
+
+2016-07-20 tzdata updated to Olson's tzdata2016f (venkat)
+
+--- Released 8.6.6, July 27, 2016 --- http://core.tcl.tk/tcl/ for details
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_Access 3 8.1 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -17,7 +17,7 @@ Tcl_GetReturnOptions, Tcl_SetReturnOptions, Tcl_AddErrorInfo, Tcl_AppendObjToErr
 Tcl_Obj *
 \fBTcl_GetReturnOptions\fR(\fIinterp, code\fR)
 .sp
-int 
+int
 \fBTcl_SetReturnOptions\fR(\fIinterp, options\fR)
 .sp
 \fBTcl_AddErrorInfo\fR(\fIinterp, message\fR)
@@ -45,7 +45,7 @@ void
 .AS Tcl_Interp commandLength
 .AP Tcl_Interp *interp in
 Interpreter in which to record information.
-.AP int code 
+.AP int code
 The code returned from script evaluation.
 .AP Tcl_Obj *options
 A dictionary of return options.
@@ -121,7 +121,7 @@ retrieve the stack trace when script evaluation returns
 .CS
 int code = Tcl_Eval(interp, script);
 if (code == TCL_ERROR) {
-    Tcl_Obj *options = \fBTcl_GetReturnOptions\fR(interp, code);  
+    Tcl_Obj *options = \fBTcl_GetReturnOptions\fR(interp, code);
    Tcl_Obj *key = Tcl_NewStringObj("-errorinfo", -1);
    Tcl_Obj *stackTrace;
    Tcl_IncrRefCount(key);
@@ -163,12 +163,12 @@ to any reference counting.  This is analogous to
 .PP
 While \fBTcl_SetReturnOptions\fR provides a general interface
 to set any collection of return options, there are a handful
-of return options that are very frequently used.  Most 
+of return options that are very frequently used.  Most
 notably the \fB\-errorinfo\fR and \fB\-errorcode\fR return
 options should be set properly when the command procedure
 of a command returns \fBTCL_ERROR\fR.  The \fB\-errorline\fR
 return option is also read by commands that evaluate scripts
-and wish to supply detailed error location information in 
+and wish to supply detailed error location information in
 the stack trace text they append to the \fB\-errorinfo\fR option.
 Tcl provides several simpler interfaces to more directly set
 these return options.
@@ -224,7 +224,7 @@ is available as a \fBTcl_Obj\fR instead of as a \fBchar\fR array.
 .PP
 \fBTcl_AddObjErrorInfo\fR is nearly identical
 to \fBTcl_AddErrorInfo\fR, except that it has an additional \fIlength\fR
-argument.  This allows the \fImessage\fR string to contain 
+argument.  This allows the \fImessage\fR string to contain
 embedded null bytes.  This is essentially never a good idea.
 If the \fImessage\fR needs to contain the null character \fBU+0000\fR,
 Tcl's usual internal encoding rules should be used to avoid
@@ -232,9 +232,9 @@ the need for a null byte.  If the \fBTcl_AddObjErrorInfo\fR
 interface is used at all, it should be with a negative \fIlength\fR value.
 .PP
 The procedure \fBTcl_SetObjErrorCode\fR is used to set the
-\fB\-errorcode\fR return option to the list value \fIerrorObjPtr\fR 
-built up by the caller. 
-\fBTcl_SetObjErrorCode\fR is typically invoked just 
+\fB\-errorcode\fR return option to the list value \fIerrorObjPtr\fR
+built up by the caller.
+\fBTcl_SetObjErrorCode\fR is typically invoked just
 before returning an error. If an error is
 returned without calling \fBTcl_SetObjErrorCode\fR or
 \fBTcl_SetErrorCode\fR the Tcl interpreter automatically sets
@@ -275,7 +275,7 @@ the interpreter's result.
 \fBTcl_LogCommandInfo\fR is invoked after an error occurs in an
 interpreter.  It adds information about the command that was being
 executed when the error occurred to the \fB\-errorinfo\fR value, and
-the line number stored internally in the interpreter is set.  
+the line number stored internally in the interpreter is set.
 .PP
 In older releases of Tcl, there was no \fBTcl_GetReturnOptions\fR
 routine.  In its place, the global Tcl variables \fBerrorInfo\fR
@@ -288,7 +288,7 @@ global variables remains a supported way to access these
 return option values, it is important not to assume that
 writing to those global variables will properly set the
 corresponding return options.  It has long been emphasized
-in this manual page that it is important to 
+in this manual page that it is important to
 call the procedures described here rather than
 setting \fBerrorInfo\fR or \fBerrorCode\fR directly with
 \fBTcl_ObjSetVar2\fR.
@@ -297,7 +297,7 @@ If the procedure \fBTcl_ResetResult\fR is called,
 it clears all of the state of the interpreter associated with
 script evaluation, including the entire return options dictionary.
 In particular, the \fB\-errorinfo\fR and \fB\-errorcode\fR options
-are reset.  
+are reset.
 If an error had occurred, the \fBTcl_ResetResult\fR call will
 clear the error state to make it appear as if no error had
 occurred after all.
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_Alloc 3 7.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_AllowExceptions 3 7.4 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -31,7 +31,7 @@ return with an appropriate message.  The particular script
 evaluation procedures of Tcl that act in the manner are
 \fBTcl_EvalObjEx\fR, \fBTcl_EvalObjv\fR, \fBTcl_Eval\fR, \fBTcl_EvalEx\fR,
 \fBTcl_GlobalEval\fR, \fBTcl_GlobalEvalObj\fR, \fBTcl_VarEval\fR and
-\fBTcl_VarEvalVA\fR. 
+\fBTcl_VarEvalVA\fR.
 .PP
 However, if \fBTcl_AllowExceptions\fR is invoked immediately before
 calling one of those a procedures, then arbitrary completion
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_AppInit 3 7.0 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -52,7 +52,7 @@ Invoke a startup script to initialize the application.
 Use the routines \fBTcl_SetStartupScript\fR and
 \fBTcl_GetStartupScript\fR to set or query the file and encoding
 that the active \fBTcl_Main\fR or \fBTk_Main\fR routine will
-use as a startup script. 
+use as a startup script.
 .LP
 \fBTcl_AppInit\fR returns \fBTCL_OK\fR or \fBTCL_ERROR\fR.
 If it returns \fBTCL_ERROR\fR then it must leave an error message in
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_SetAssocData 3 7.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_AsyncCreate 3 7.0 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_BackgroundError 3 7.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_Backslash 3 "8.1" Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -33,7 +33,7 @@ The use of \fBTcl_Backslash\fR is deprecated in favor of
 .PP
 This is a utility procedure provided for backwards compatibility with
 non-internationalized Tcl extensions.  It parses a backslash sequence and
-returns the low byte of the Unicode character corresponding to the sequence. 
+returns the low byte of the Unicode character corresponding to the sequence.
 \fBTcl_Backslash\fR modifies \fI*countPtr\fR to contain the number of
 characters in the backslash sequence.
 .PP
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_BooleanObj 3 8.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -50,7 +50,7 @@ value \fIboolValue\fR in it, and returns a pointer to the new Tcl_Obj.
 The new Tcl_Obj has reference count of zero.
 .PP
 \fBTcl_SetBooleanObj\fR accepts \fIobjPtr\fR, a pointer to
-an existing Tcl_Obj, and stores in the Tcl_Obj \fI*objPtr\fR 
+an existing Tcl_Obj, and stores in the Tcl_Obj \fI*objPtr\fR
 the boolean value \fIboolValue\fR.  This is a write operation
 on \fI*objPtr\fR, so \fIobjPtr\fR must be unshared.  Attempts to
 write to a shared Tcl_Obj will panic.  A successful write
@@ -61,7 +61,7 @@ any former value stored in \fI*objPtr\fR.
 from the value stored in \fI*objPtr\fR.
 If \fIobjPtr\fR holds a string value recognized by \fBTcl_GetBoolean\fR,
 then the recognized boolean value is written at the address given
-by \fIboolPtr\fR.  
+by \fIboolPtr\fR.
 If \fIobjPtr\fR holds any value recognized as
 a number by Tcl, then if that value is zero a 0 is written at
 the address given by \fIboolPtr\fR and if that
@@ -69,10 +69,10 @@ value is non-zero a 1 is written at the address given by \fIboolPtr\fR.
 In all cases where a value is written at the address given
 by \fIboolPtr\fR, \fBTcl_GetBooleanFromObj\fR returns \fBTCL_OK\fR.
 If the value of \fIobjPtr\fR does not meet any of the conditions
-above, then \fBTCL_ERROR\fR is returned and an error message is 
+above, then \fBTCL_ERROR\fR is returned and an error message is
 left in the interpreter's result unless \fIinterp\fR is NULL.
 \fBTcl_GetBooleanFromObj\fR may also make changes to the internal
-fields of \fI*objPtr\fR so that future calls to 
+fields of \fI*objPtr\fR so that future calls to
 \fBTcl_GetBooleanFromObj\fR on the same \fIobjPtr\fR can be
 performed more efficiently.
 .PP
@@ -3,12 +3,12 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_ByteArrayObj 3 8.1 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
 .SH NAME
-Tcl_NewByteArrayObj, Tcl_SetByteArrayObj, Tcl_GetByteArrayFromObj, Tcl_SetByteArrayLength \- manipulate Tcl values as a arrays of bytes 
+Tcl_NewByteArrayObj, Tcl_SetByteArrayObj, Tcl_GetByteArrayFromObj, Tcl_SetByteArrayLength \- manipulate Tcl values as a arrays of bytes
 .SH SYNOPSIS
 .nf
 \fB#include <tcl.h>\fR
@@ -16,7 +16,7 @@ Tcl_NewByteArrayObj, Tcl_SetByteArrayObj, Tcl_GetByteArrayFromObj, Tcl_SetByteAr
 Tcl_Obj *
 \fBTcl_NewByteArrayObj\fR(\fIbytes, length\fR)
 .sp
-void 
+void
 \fBTcl_SetByteArrayObj\fR(\fIobjPtr, bytes, length\fR)
 .sp
 unsigned char *
@@ -82,7 +82,7 @@ allocated for the array, the array is reallocated to the new length; the
 newly allocated bytes at the end of the array have arbitrary values.  If
 \fIlength\fR is less than the space currently allocated for the array,
 the length of array is reduced to the new length.  The return value is a
-pointer to the value's new array of bytes.  
+pointer to the value's new array of bytes.

 .SH "SEE ALSO"
 Tcl_GetStringFromObj, Tcl_NewObj, Tcl_IncrRefCount, Tcl_DecrRefCount
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_Cancel 3 8.6 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -53,10 +53,10 @@ Any ORed combination of the following values may be used for the
 \fBTCL_CANCEL_UNWIND\fR
 .
 This flag is used by \fBTcl_CancelEval\fR and \fBTcl_Canceled\fR.
-For \fBTcl_CancelEval\fR, if this flag is set, the script in progress 
+For \fBTcl_CancelEval\fR, if this flag is set, the script in progress
 is canceled and the evaluation stack for the interpreter is unwound.
-For \fBTcl_Canceled\fR, if this flag is set, the script in progress 
-is considered to be canceled only if the evaluation stack for the 
+For \fBTcl_Canceled\fR, if this flag is set, the script in progress
+is considered to be canceled only if the evaluation stack for the
 interpreter is being unwound.
 .TP 20
 \fBTCL_LEAVE_ERR_MSG\fR
@@ -639,13 +639,13 @@ called to set them, e.g. \fB\-blockmode\fR. Other options are specific to
 each channel type and the \fIsetOptionProc\fR procedure of the channel
 driver will get called to implement them. The \fIsetOptionProc\fR field can
 be NULL, which indicates that this channel type supports no type specific
-options. 
+options.
 .PP
 If the option value is successfully modified to the new value, the function
 returns \fBTCL_OK\fR.
 It should call \fBTcl_BadChannelOption\fR which itself returns
 \fBTCL_ERROR\fR if the \fIoptionName\fR is
-unrecognized. 
+unrecognized.
 If \fInewValue\fR specifies a value for the option that
 is not supported or if a system call error occurs,
 the function should leave an error message in the
@@ -674,7 +674,7 @@ channel. If the option name is not NULL, the function stores its current
 value, as a string, in the Tcl dynamic string \fIoptionValue\fR.
 If \fIoptionName\fR is NULL, the function stores in \fIoptionValue\fR an
 alternating list of all supported options and their current values.
-On success, the function returns \fBTCL_OK\fR. 
+On success, the function returns \fBTCL_OK\fR.
 It should call \fBTcl_BadChannelOption\fR which itself returns
 \fBTCL_ERROR\fR if the \fIoptionName\fR is
 unrecognized. If a system call error occurs,
@@ -839,7 +839,7 @@ which returns a pointer to the function.
 This procedure generates a
 .QW "bad option"
 error message in an
-(optional) interpreter.  It is used by channel drivers when 
+(optional) interpreter.  It is used by channel drivers when
 an invalid Set/Get option is requested. Its purpose is to concatenate
 the generic options list to the specific ones and factorize
 the generic options error message string.
@@ -850,7 +850,7 @@ An error message is generated in \fIinterp\fR's result value to
 indicate that a command was invoked with a bad option.
 The message has the form
 .CS
-    bad option "blah": should be one of 
+    bad option "blah": should be one of
    <...generic options...>+<...specific options...>
 .CE
 so you get for instance:
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_CreateCommand 3 "" Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -91,7 +91,7 @@ the command, \fIargc\fR giving the number of arguments (including
 the command name) and \fIargv\fR giving the values of the arguments
 as strings.  The \fIargv\fR array will contain \fIargc\fR+1 values;
 the first \fIargc\fR values point to the argument strings, and the
-last value is NULL.  
+last value is NULL.
 Note that the argument strings should not be modified as they may
 point to constant strings or may be shared with other parts of the
 interpreter.
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_CreateMathFunc 3 8.4 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -147,7 +147,7 @@ released by passing it to \fBTcl_Free\fR.  Some functions (the
 standard set implemented in the core, and those defined by placing
 commands in the \fBtcl::mathfunc\fR namespace) do not have
 argument type information; attempting to retrieve values for
-them causes a NULL to be stored in the variable pointed to by 
+them causes a NULL to be stored in the variable pointed to by
 \fIprocPtr\fR and the variable pointed to by \fIclientDataPtr\fR
 will not be modified.  The variable pointed to by \fInumArgsPointer\fR
 will contain -1, and no argument types will be stored in the variable
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_CreateObjCommand 3 8.0 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -150,7 +150,7 @@ However, if the existing command was created by a previous call to
 but instead arranges for the Tcl interpreter to call the
 \fBTcl_ObjCmdProc\fR \fIproc\fR in the future.
 The old string-based \fBTcl_CmdProc\fR associated with the command
-is retained and its address can be obtained by subsequent 
+is retained and its address can be obtained by subsequent
 \fBTcl_GetCommandInfo\fR calls. This is done for backwards compatibility.
 .PP
 \fIDeleteProc\fR will be invoked when (if) \fIname\fR is deleted.
@@ -288,7 +288,7 @@ command is not deleted or renamed;  callers should copy the string if
 they need to keep it for a long time.
 .PP
 \fBTcl_GetCommandFullName\fR produces the fully qualified name
-of a command from a command token.  
+of a command from a command token.
 The name, including all namespace prefixes,
 is appended to the value specified by \fIobjPtr\fR.
 .PP
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_CreateSlave 3 7.6 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -122,8 +122,8 @@ is either \fBTCL_OK\fR or \fBTCL_ERROR\fR. If \fBTCL_ERROR\fR is returned
 then the \fBresult\fR field of the interpreter contains an error message.
 .PP
 \fBTcl_CreateSlave\fR creates a new interpreter as a slave of \fIinterp\fR.
-It also creates a slave command named \fIslaveName\fR in \fIinterp\fR which 
-allows \fIinterp\fR to manipulate the new slave. 
+It also creates a slave command named \fIslaveName\fR in \fIinterp\fR which
+allows \fIinterp\fR to manipulate the new slave.
 If \fIisSafe\fR is zero, the command creates a trusted slave in which Tcl
 code has access to all the Tcl commands.
 If it is \fB1\fR, the command creates a
@@ -178,7 +178,7 @@ created by \fBTcl_CreateSlave\fR) between \fIslaveInterp\fR and
 \fItargetInterp\fR. Any two interpreters can be used, without any
 restrictions on how they are related.
 .PP
-\fBTcl_CreateAliasObj\fR is similar to \fBTcl_CreateAlias\fR except 
+\fBTcl_CreateAliasObj\fR is similar to \fBTcl_CreateAlias\fR except
 that it takes a vector of values to pass as additional arguments instead
 of a vector of strings.
 .PP
@@ -196,7 +196,7 @@ strings.
 \fBTcl_ExposeCommand\fR moves the command named \fIhiddenCmdName\fR from
 the set of hidden commands to the set of exposed commands, putting
 it under the name
-\fIcmdName\fR. 
+\fIcmdName\fR.
 \fIHiddenCmdName\fR must be the name of an existing hidden
 command, or the operation will return \fBTCL_ERROR\fR and leave an error
 message in the \fIresult\fR field in \fIinterp\fR.
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_CreateTrace 3 "" Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -65,7 +65,7 @@ interpreter.
 \fBTcl_CmdObjTraceProc\fR:
 .PP
 .CS
-typedef int \fBTcl_CmdObjTraceProc\fR( 
+typedef int \fBTcl_CmdObjTraceProc\fR(
        \fBClientData\fR \fIclientData\fR,
        \fBTcl_Interp\fR* \fIinterp\fR,
        int \fIlevel\fR,
@@ -143,7 +143,7 @@ When \fBTcl_DeleteTrace\fR is called, the interpreter invokes the
 \fBTcl_CmdObjTraceDeleteProc\fR:
 .PP
 .CS
-typedef void \fBTcl_CmdObjTraceDeleteProc\fR( 
+typedef void \fBTcl_CmdObjTraceDeleteProc\fR(
        \fBClientData\fR \fIclientData\fR);
 .CE
 .PP
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_DoOneEvent 3 7.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -20,7 +20,7 @@ int
 .AS int flags
 .AP int flags in
 This parameter is normally zero.  It may be an OR-ed combination
-of any of the following flag bits:  
+of any of the following flag bits:
 \fBTCL_WINDOW_EVENTS\fR, \fBTCL_FILE_EVENTS\fR,
 \fBTCL_TIMER_EVENTS\fR, \fBTCL_IDLE_EVENTS\fR, \fBTCL_ALL_EVENTS\fR,
 or \fBTCL_DONT_WAIT\fR.
@@ -43,7 +43,7 @@ handlers for the first event on the queue, and returns.
 If no events are found, \fBTcl_DoOneEvent\fR checks for \fBTcl_DoWhenIdle\fR
 callbacks; if any are found, it invokes all of them and returns.
 Finally, if no events or idle callbacks have been found, then
-\fBTcl_DoOneEvent\fR sleeps until an event occurs; then it adds any 
+\fBTcl_DoOneEvent\fR sleeps until an event occurs; then it adds any
 new events to the Tcl event queue, calls handlers for the first event,
 and returns.
 The normal return value is 1 to signify that some event
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_DoubleObj 3 8.0 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -28,7 +28,7 @@ A double-precision floating-point value used to initialize or set a Tcl value.
 For \fBTcl_SetDoubleObj\fR, this points to the value in which to store a
 double value.
 For \fBTcl_GetDoubleFromObj\fR, this refers to the value
-from which to retrieve a double value. 
+from which to retrieve a double value.
 .AP Tcl_Interp *interp in/out
 When non-NULL, an error message is left here when double value retrieval fails.
 .AP double *doublePtr out
@@ -56,7 +56,7 @@ returned, and the double value is written to the storage pointed to by
 \fIdoublePtr\fR.  If the attempt fails, then \fBTCL_ERROR\fR is returned,
 and if \fIinterp\fR is non-NULL, an error message is left in \fIinterp\fR.
 The \fBTcl_ObjType\fR of \fIobjPtr\fR may be changed to make subsequent
-calls to \fBTcl_GetDoubleFromObj\fR more efficient. 
+calls to \fBTcl_GetDoubleFromObj\fR more efficient.
 '\" TODO: add discussion of treatment of NaN value
 .SH "SEE ALSO"
 Tcl_NewObj, Tcl_DecrRefCount, Tcl_IncrRefCount, Tcl_GetObjResult
@@ -2,7 +2,7 @@
 '\" Copyright (c) 1992-1999 Karl Lehenbauer and Mark Diekhans.
 '\" Copyright (c) 2000 by Scriptics Corporation.
 '\" All rights reserved.
-'\" 
+'\"
 .TH "Tcl_DumpActiveMemory" 3 8.1 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -39,7 +39,7 @@ These functions provide access to Tcl memory debugging information.
 They are only functional when Tcl has been compiled with
 \fBTCL_MEM_DEBUG\fR defined at compile-time.  When \fBTCL_MEM_DEBUG\fR
 is not defined, these functions are all no-ops.
-.PP 
+.PP
 \fBTcl_DumpActiveMemory\fR will output a list of all currently
 allocated memory to the specified file.  The information output for
 each allocated block of memory is:  starting and ending addresses
@@ -3,9 +3,9 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 '\" This documents the C API introduced in TIP#235
-'\" 
+'\"
 .TH Tcl_Ensemble 3 8.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -185,7 +185,7 @@ the bound namespace. May be read and written using
 \fBTcl_GetEnsembleSubcommandList\fR and
 \fBTcl_SetEnsembleSubcommandList\fR respectively. The result of both
 of those functions is a Tcl result code (\fBTCL_OK\fR, or
-\fBTCL_ERROR\fR if the 
+\fBTCL_ERROR\fR if the
 token does not refer to an ensemble) and the list obtained from
 \fBTcl_GetEnsembleSubcommandList\fR should always be treated as
 immutable even if it is unshared.
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_Eval 3 8.1 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -116,7 +116,7 @@ of the words for the Tcl command, one word in each value in
 a completion code and result just like \fBTcl_EvalObjEx\fR.
 The caller of \fBTcl_EvalObjv\fR has to manage the reference count of the
 elements of \fIobjv\fR, insuring that the values are valid until
-\fBTcl_EvalObjv\fR returns.  
+\fBTcl_EvalObjv\fR returns.
 .PP
 \fBTcl_Eval\fR is similar to \fBTcl_EvalObjEx\fR except that the script to
 be executed is supplied as a string instead of a value and no compilation
@@ -127,7 +127,7 @@ might be a UTF-8 special code.  The string is parsed and executed directly
 (using \fBTcl_EvalObjv\fR) instead of compiling it and executing the
 bytecodes.  In situations where it is known that the script will never be
 executed again, \fBTcl_Eval\fR may be faster than \fBTcl_EvalObjEx\fR.
- \fBTcl_Eval\fR returns a completion code and result just like 
+ \fBTcl_Eval\fR returns a completion code and result just like
 \fBTcl_EvalObjEx\fR.  Note: for backward compatibility with versions before
 Tcl 8.0, \fBTcl_Eval\fR copies the value result in \fIinterp\fR to
 \fIinterp->result\fR (use is deprecated) where it can be accessed directly.
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_Exit 3 8.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -120,7 +120,7 @@ If extension \fBA\fR registers its exit handlers before loading extension
 \fBB\fR, this ensures that any exit handlers for \fBB\fR will be executed
 before the exit handlers for \fBA\fR.
 .PP
-\fBTcl_Finalize\fR and \fBTcl_Exit\fR call \fBTcl_FinalizeThread\fR 
+\fBTcl_Finalize\fR and \fBTcl_Exit\fR call \fBTcl_FinalizeThread\fR
 and the thread exit handlers \fIafter\fR
 the process-wide exit handlers.  This is because thread finalization shuts
 down the I/O channel system, so any attempt at I/O by the global exit
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_ExprLong 3 7.0 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -30,7 +30,7 @@ int
 .AP Tcl_Interp *interp in
 Interpreter in whose context to evaluate \fIexpr\fR.
 .AP "const char" *expr in
-Expression to be evaluated.  
+Expression to be evaluated.
 .AP long *longPtr out
 Pointer to location in which to store the integer value of the
 expression.
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Filesystem 3 8.4 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -464,8 +464,8 @@ directory for all files which match a given pattern. The appropriate
 function for the filesystem to which \fIpathPtr\fR belongs will be called.
 .PP
 The return value is a standard Tcl result indicating whether an error
-occurred in globbing. Error messages are placed in interp (unless 
-interp is NULL, which is allowed), but good results are placed in the 
+occurred in globbing. Error messages are placed in interp (unless
+interp is NULL, which is allowed), but good results are placed in the
 resultPtr given.
 .PP
 Note that the \fBglob\fR code implements recursive patterns internally, so
@@ -1256,8 +1256,8 @@ not, so code should be flexible to both possibilities.
 The return value is a standard Tcl result indicating whether an error
 occurred in the matching process. Error messages are placed in
 \fIinterp\fR, unless \fIinterp\fR in NULL in which case no error
-message need be generated; on a \fBTCL_OK\fR result, results should be 
-added to the \fIresultPtr\fR value given (which can be assumed to be a 
+message need be generated; on a \fBTCL_OK\fR result, results should be
+added to the \fIresultPtr\fR value given (which can be assumed to be a
 valid unshared Tcl list). The matches added
 to \fIresultPtr\fR should include any path prefix given in \fIpathPtr\fR
 (this usually means they will be absolute path specifications).
@@ -1265,7 +1265,7 @@ Note that if no matches are found, that simply leads to an empty
 result; errors are only signaled for actual file or filesystem
 problems which may occur during the matching process.
 .PP
-The \fBTcl_GlobTypeData\fR structure passed in the \fItypes\fR 
+The \fBTcl_GlobTypeData\fR structure passed in the \fItypes\fR
 parameter contains the following fields:
 .PP
 .CS
@@ -1,7 +1,7 @@
 '\"
 '\" Copyright (c) 1998-2000 by Scriptics Corporation.
 '\" All rights reserved.
-'\" 
+'\"
 .TH Tcl_GetHostName 3 8.3 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -18,7 +18,7 @@ const char *
 .SH DESCRIPTION
 .PP
 \fBTcl_GetHostName\fR is a utility procedure used by some of the
-Tcl commands.  It returns a pointer to a string containing the name 
+Tcl commands.  It returns a pointer to a string containing the name
 for the current machine, or an empty string if the name cannot be
 determined.  The string is statically allocated, and the caller must
 not modify of free it.
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_GetStdChannel 3 7.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -34,18 +34,18 @@ Tcl defines three special channels that are used by various I/O related
 commands if no other channels are specified.  The standard input channel
 has a channel name of \fBstdin\fR and is used by \fBread\fR and \fBgets\fR.
 The standard output channel is named \fBstdout\fR and is used by
-\fBputs\fR.  The standard error channel is named \fBstderr\fR and is used for 
+\fBputs\fR.  The standard error channel is named \fBstderr\fR and is used for
 reporting errors.  In addition, the standard channels are inherited by any
 child processes created using \fBexec\fR or \fBopen\fR in the absence of any
 other redirections.
 .PP
 The standard channels are actually aliases for other normal channels.  The
 current channel associated with a standard channel can be retrieved by calling
-\fBTcl_GetStdChannel\fR with one of 
+\fBTcl_GetStdChannel\fR with one of
 \fBTCL_STDIN\fR, \fBTCL_STDOUT\fR, or \fBTCL_STDERR\fR as the \fItype\fR.  The
 return value will be a valid channel, or NULL.
 .PP
-A new channel can be set for the standard channel specified by \fItype\fR 
+A new channel can be set for the standard channel specified by \fItype\fR
 by calling \fBTcl_SetStdChannel\fR with a new channel or NULL in the
 \fIchannel\fR argument.  If the specified channel is closed by a later call to
 \fBTcl_Close\fR, then the corresponding standard channel will automatically be
@@ -64,7 +64,7 @@ be corrected without contradicting the assumptions of some existing
 code that calls \fBTcl_SetStdChannel\fR.
 .PP
 If \fBTcl_GetStdChannel\fR is called before \fBTcl_SetStdChannel\fR, Tcl will
-construct a new channel to wrap the appropriate platform-specific standard 
+construct a new channel to wrap the appropriate platform-specific standard
 file handle.  If \fBTcl_SetStdChannel\fR is called before
 \fBTcl_GetStdChannel\fR, then the default channel will not be created.
 .PP
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_GetVersion 3 7.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -24,14 +24,14 @@ Minor version number of the Tcl library.
 The patch level of the Tcl library (or alpha or beta number).
 .AP Tcl_ReleaseType *type out
 The type of release, also indicates the type of patch level. Can be
-one of \fBTCL_ALPHA_RELEASE\fR, \fBTCL_BETA_RELEASE\fR, or 
+one of \fBTCL_ALPHA_RELEASE\fR, \fBTCL_BETA_RELEASE\fR, or
 \fBTCL_FINAL_RELEASE\fR.
 .BE

 .SH DESCRIPTION
 .PP
 \fBTcl_GetVersion\fR should be used to query the version number
-of the Tcl library at runtime.  This is useful when using a 
+of the Tcl library at runtime.  This is useful when using a
 dynamically loaded Tcl library or when writing a stubs-aware
 extension.  For instance, if you write an extension that is
 linked against the Tcl stubs library, it could be loaded into
@@ -39,7 +39,7 @@ a program linked to an older version of Tcl than you expected.
 Use \fBTcl_GetVersion\fR to verify that fact, and possibly to
 change the behavior of your extension.
 .PP
-\fBTcl_GetVersion\fR accepts NULL for any of the arguments. For instance if 
+\fBTcl_GetVersion\fR accepts NULL for any of the arguments. For instance if
 you do not care about the \fIpatchLevel\fR of the library, pass
 a NULL for the \fIpatchLevel\fR argument.

@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_Hash 3 "" Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -131,13 +131,13 @@ The pointer value is the key;  it need not (and usually does not)
 actually point to a string.
 .IP \fBTCL_CUSTOM_TYPE_KEYS\fR 25
 Keys are of arbitrary type, and are stored in the entry. Hashing
-and comparison is determined by \fItypePtr\fR. The Tcl_HashKeyType 
-structure is described in the section 
+and comparison is determined by \fItypePtr\fR. The Tcl_HashKeyType
+structure is described in the section
 \fBTHE TCL_HASHKEYTYPE STRUCTURE\fR below.
 .IP \fBTCL_CUSTOM_PTR_KEYS\fR 25
 Keys are pointers to an arbitrary type, and are stored in the entry. Hashing
-and comparison is determined by \fItypePtr\fR. The Tcl_HashKeyType 
-structure is described in the section 
+and comparison is determined by \fItypePtr\fR. The Tcl_HashKeyType
+structure is described in the section
 \fBTHE TCL_HASHKEYTYPE STRUCTURE\fR below.
 .IP \fIother\fR 25
 If \fIkeyType\fR is not one of the above,
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_IntObj 3 8.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -87,7 +87,7 @@ used to initialize a multi-precision integer value.
 .SH DESCRIPTION
 .PP
 These procedures are used to create, modify, and read Tcl values
-that hold integral values.  
+that hold integral values.
 .PP
 The different routines exist to accommodate different integral types in C
 with which values might be exchanged.  The C integral types for which Tcl
@@ -99,7 +99,7 @@ typedef defined to be whatever signed integral type covers at least the
 on the platform and the C compiler, the actual type might be
 \fBlong int\fR, \fBlong long int\fR, \fBint64\fR, or something else.
 The \fBmp_int\fR type is a multiple-precision integer type defined
-by the LibTomMath multiple-precision integer library.  
+by the LibTomMath multiple-precision integer library.
 .PP
 The \fBTcl_NewIntObj\fR, \fBTcl_NewLongObj\fR, \fBTcl_NewWideIntObj\fR,
 and \fBTcl_NewBignumObj\fR routines each create and return a new
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_Interp 3 7.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -76,7 +76,7 @@ and store a pointer to it in \fIinterp->result\fR.
 In this case, the command procedure must also set \fIinterp->freeProc\fR
 to the address of a procedure that can free the value, or \fBTCL_DYNAMIC\fR
 if the storage was allocated directly by Tcl or by a call to
-\fBTcl_Alloc\fR. 
+\fBTcl_Alloc\fR.
 If \fIinterp->freeProc\fR is non-zero, then Tcl will call \fIfreeProc\fR
 to free the space pointed to by \fIinterp->result\fR before it
 invokes the next command.
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_ListObj 3 8.0 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -64,7 +64,7 @@ Points to location where \fBTcl_ListObjGetElements\fR
 stores the number of element values in \fIlistPtr\fR.
 .AP Tcl_Obj ***objvPtr out
 A location where \fBTcl_ListObjGetElements\fR stores a pointer to an array
-of pointers to the element values of \fIlistPtr\fR.  
+of pointers to the element values of \fIlistPtr\fR.
 .AP int objc in
 The number of Tcl values that \fBTcl_NewListObj\fR
 will insert into a new list value,
@@ -75,7 +75,7 @@ the number of Tcl values to insert into \fIobjPtr\fR.
 An array of pointers to values.
 \fBTcl_NewListObj\fR will insert these values into a new list value
 and \fBTcl_ListObjReplace\fR will insert them into an existing \fIlistPtr\fR.
-Each value will become a separate list element.  
+Each value will become a separate list element.
 .AP int *intPtr out
 Points to location where \fBTcl_ListObjLength\fR
 stores the length of the list.
@@ -134,7 +134,7 @@ If no error occurs,
 the two procedures return \fBTCL_OK\fR after appending the values.
 .PP
 \fBTcl_NewListObj\fR and \fBTcl_SetListObj\fR
-create a new value or modify an existing value to hold 
+create a new value or modify an existing value to hold
 the \fIobjc\fR elements of the array referenced by \fIobjv\fR
 where each element is a pointer to a Tcl value.
 If \fIobjc\fR is less than or equal to zero,
@@ -3,7 +3,7 @@
 .\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH NRE 3 8.6 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -45,7 +45,7 @@ Name of a new command to create.
 Implementation of a command that will be called whenever \fIcmdName\fR
 is invoked as a command in the unoptimized way.
 .AP Tcl_ObjCmdProc *nreProc in
-Implementation of a command that will be called whenever \fIcmdName\fR 
+Implementation of a command that will be called whenever \fIcmdName\fR
 is invoked and requested to conserve the C stack.
 .AP ClientData clientData in
 Arbitrary one-word value that will be passed to \fIproc\fR, \fInreProc\fR,
@@ -83,13 +83,13 @@ executing in the interpreter designated by \fIinterp\fR completes.
 to the function designated by \fIpostProcPtr\fR when it is invoked.
 .BE
 .SH DESCRIPTION
-.PP 
+.PP
 This series of C functions provides an interface whereby commands that
 are implemented in C can be evaluated, and invoke Tcl commands scripts
 and scripts, without consuming space on the C stack. The non-recursive
 evaluation is done by installing a \fItrampoline\fR, a small piece of
 code that invokes a command or script, and then executes a series of
-callbacks when the command or script returns. 
+callbacks when the command or script returns.
 .PP
 The \fBTcl_NRCreateCommand\fR function creates a Tcl command in the
 interpreter designated by \fIinterp\fR that is prepared to handle
@@ -149,7 +149,7 @@ The remaining arguments are as for \fBTcl_NREvalObjv\fR.
 \fBTcl_NREvalObj\fR, \fBTcl_NREvalObjv\fR and \fBTcl_NRCmdSwap\fR
 all accept a \fIflags\fR parameter, which is an OR-ed-together set of
 bits to control evaluation. At the present time, the only supported flag
-available to callers is \fBTCL_EVAL_GLOBAL\fR. 
+available to callers is \fBTCL_EVAL_GLOBAL\fR.
 .\" TODO: Again, this is a lie. Do we want to explain TCL_EVAL_INVOKE
 .\"       and TCL_EVAL_NOERR?
 If the \fBTCL_EVAL_GLOBAL\fR flag is set, the script or command is
@@ -255,7 +255,7 @@ int
    int objc,
    Tcl_Obj *const objv[])
 {
-    return \fBTcl_NRCallObjProc\fR(interp, \fITheCmdNRObjProc\fR, 
+    return \fBTcl_NRCallObjProc\fR(interp, \fITheCmdNRObjProc\fR,
            clientData, objc, objv);
 }
 .CE
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Notifier 3 8.1 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -143,7 +143,7 @@ servicing at a future time.  Threaded applications work in a
 similar manner, except that there is a separate event queue for
 each thread containing a Tcl interpreter.
 \fBTcl_QueueEvent\fR is used (primarily
-by event sources) to add events to the event queue and 
+by event sources) to add events to the event queue and
 \fBTcl_DeleteEvents\fR is used to remove events from the queue without
 processing them.  In a threaded application, \fBTcl_QueueEvent\fR adds
 an event to the current thread's queue, and \fBTcl_ThreadQueueEvent\fR
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_ObjType 3 8.0 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -76,8 +76,8 @@ in that case \fBTCL_ERROR\fR is returned.
 if possible.
 It creates a new internal representation for \fIobjPtr\fR
 appropriate for the target type \fItypePtr\fR
-and sets its \fItypePtr\fR member as determined by calling the 
-\fItypePtr->setFromAnyProc\fR routine.  
+and sets its \fItypePtr\fR member as determined by calling the
+\fItypePtr->setFromAnyProc\fR routine.
 Any internal representation for \fIobjPtr\fR's old type is freed.
 If an error occurs during conversion, it returns \fBTCL_ERROR\fR
 and leaves an error message in the result value for \fIinterp\fR
@@ -181,7 +181,7 @@ typedef void \fBTcl_UpdateStringProc\fR(
 It must always set \fIbytes\fR non-NULL before returning.
 We require the string representation's byte array
 to have a null after the last byte, at offset \fIlength\fR,
-and to have no null bytes before that; this allows string representations 
+and to have no null bytes before that; this allows string representations
 to be treated as conventional null character-terminated C strings.
 These restrictions are easily met by using Tcl's internal UTF encoding
 for the string representation, same as one would do for other
@@ -1,7 +1,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_Panic 3 8.4 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -69,7 +69,7 @@ After \fBTcl_SetPanicProc\fR returns, any future calls to
 \fIformat\fR and \fIarg\fR arguments. \fIpanicProc\fR should avoid
 making calls into the Tcl library, or into other libraries that may
 call the Tcl library, since the original call to \fBTcl_Panic\fR
-indicates the Tcl library is not in a state of reliable operation.  
+indicates the Tcl library is not in a state of reliable operation.
 .PP
 The typical use of \fBTcl_SetPanicProc\fR arranges for the error message
 to be displayed or reported in a manner more suitable for the
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_PkgRequire 3 7.5 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -75,8 +75,8 @@ procedures do.
 .PP
 If \fBTcl_PkgPresent\fR or \fBTcl_PkgRequire\fR complete successfully
 they return a pointer to the version string for the version of the package
-that is provided in the interpreter (which may be different than 
-\fIversion\fR); if an error occurs they return NULL and leave an error 
+that is provided in the interpreter (which may be different than
+\fIversion\fR); if an error occurs they return NULL and leave an error
 message in the interpreter's result.
 .PP
 \fBTcl_PkgProvide\fR returns \fBTCL_OK\fR if it completes successfully;
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_RegExpMatch 3 8.1 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -103,7 +103,7 @@ should be stored by \fBTcl_RegExpGetInfo\fR.
 \fBTcl_RegExpMatch\fR determines whether its \fIpattern\fR argument
 matches \fIregexp\fR, where \fIregexp\fR is interpreted
 as a regular expression using the rules in the \fBre_syntax\fR
-reference page. 
+reference page.
 If there is a match then \fBTcl_RegExpMatch\fR returns 1.
 If there is no match then \fBTcl_RegExpMatch\fR returns 0.
 If an error occurs in the matching process (e.g. \fIpattern\fR
@@ -111,7 +111,7 @@ is not a valid regular expression) then \fBTcl_RegExpMatch\fR
 returns \-1 and leaves an error message in the interpreter result.
 \fBTcl_RegExpMatchObj\fR is similar to \fBTcl_RegExpMatch\fR except it
 operates on the Tcl values \fItextObj\fR and \fIpatObj\fR instead of
-UTF strings. 
+UTF strings.
 \fBTcl_RegExpMatchObj\fR is generally more efficient than
 \fBTcl_RegExpMatch\fR, so it is the preferred interface.
 .PP
@@ -201,7 +201,7 @@ Compile extended regular expressions
 .PQ ERE s .
 This mode corresponds
 to the regular expression syntax recognized by Tcl 8.0 and earlier
-versions. 
+versions.
 .TP
 \fBTCL_REG_BASIC\fR
 Compile basic regular expressions
@@ -375,7 +375,7 @@ character in the string where a match could occur.  If a match was
 found, this will be the same as the beginning of the current match.
 If no match was found, then it indicates the earliest point at which a
 match might occur if additional text is appended to the string.  If it
-is no match is possible even with further text, this field will be set 
+is no match is possible even with further text, this field will be set
 to \-1.
 .SH "SEE ALSO"
 re_syntax(n)
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_SaveResult 3 8.1 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -67,7 +67,7 @@ a superset of the functions provided by the other routines,
 any new code should only make use of the more powerful routines.
 The older, weaker routines \fBTcl_SaveResult\fR, \fBTcl_RestoreResult\fR,
 and \fBTcl_DiscardResult\fR continue to exist only for the sake
-of existing programs that may already be using them.  
+of existing programs that may already be using them.
 .PP
 \fBTcl_SaveInterpState\fR takes a snapshot of those portions of
 interpreter state that make up the full result of script evaluation.
@@ -115,6 +115,6 @@ uninitialized state and cannot be used until another call to
 Once \fBTcl_SaveResult\fR is called to save the interpreter
 result, either \fBTcl_RestoreResult\fR or
 \fBTcl_DiscardResult\fR must be called to properly clean up the
-memory associated with the saved state.  
+memory associated with the saved state.
 .SH KEYWORDS
 result, state, interp
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_SetResult 3 8.0 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -164,7 +164,7 @@ The source interpreter will have its result reset by this operation.
 .SH "DEPRECATED INTERFACES"
 .SS "OLD STRING PROCEDURES"
 .PP
-Use of the following procedures (is deprecated
+Use of the following procedures is deprecated
 since they manipulate the Tcl result as a string.
 Procedures such as \fBTcl_SetObjResult\fR
 that manipulate the result as a value
@@ -212,7 +212,7 @@ As a migration aid, access can be restored with the compiler directive
 but this is meant only to offer life support to otherwise dead code.
 .SH "THE TCL_FREEPROC ARGUMENT TO TCL_SETRESULT"
 .PP
-\fBTcl_SetResult\fR's \fIfreeProc\fR argument specifies how 
+\fBTcl_SetResult\fR's \fIfreeProc\fR argument specifies how
 the Tcl system is to manage the storage for the \fIresult\fR argument.
 If \fBTcl_SetResult\fR or \fBTcl_SetObjResult\fR are called
 at a time when \fIinterp\fR holds a string result,
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_SetVar 3 8.1 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -86,7 +86,7 @@ These procedures are used to create, modify, read, and delete
 Tcl variables from C code.
 .PP
 \fBTcl_SetVar2Ex\fR, \fBTcl_SetVar\fR, \fBTcl_SetVar2\fR, and
-\fBTcl_ObjSetVar2\fR 
+\fBTcl_ObjSetVar2\fR
 will create a new variable or modify an existing one.
 These procedures set the given variable to the value
 given by \fInewValuePtr\fR or \fInewValue\fR and return a
@@ -191,30 +191,30 @@ in braces or quotes.
 Backslash
 .PQ \e "" .
 .TP 7
-\e\fIooo\fR 
+\e\fIooo\fR
 .
-The digits \fIooo\fR (one, two, or three of them) give a eight-bit octal 
+The digits \fIooo\fR (one, two, or three of them) give a eight-bit octal
 value for the Unicode character that will be inserted, in the range
 \fI000\fR\(en\fI377\fR (i.e., the range U+000000\(enU+0000FF).
 The parser will stop just before this range overflows, or when
 the maximum of three digits is reached.  The upper bits of the Unicode
 character will be 0.
 .TP 7
-\e\fBx\fIhh\fR 
+\e\fBx\fIhh\fR
 .
 The hexadecimal digits \fIhh\fR (one or two of them) give an eight-bit
 hexadecimal value for the Unicode character that will be inserted.  The upper
 bits of the Unicode character will be 0 (i.e., the character will be in the
 range U+000000\(enU+0000FF).
 .TP 7
-\e\fBu\fIhhhh\fR 
+\e\fBu\fIhhhh\fR
 .
 The hexadecimal digits \fIhhhh\fR (one, two, three, or four of them) give a
 sixteen-bit hexadecimal value for the Unicode character that will be
 inserted.  The upper bits of the Unicode character will be 0 (i.e., the
 character will be in the range U+000000\(enU+00FFFF).
 .TP 7
-\e\fBU\fIhhhhhhhh\fR 
+\e\fBU\fIhhhhhhhh\fR
 .
 The hexadecimal digits \fIhhhhhhhh\fR (one up to eight of them) give a
 twenty-one-bit hexadecimal value for the Unicode character that will be
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_Main 3 8.4 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -52,7 +52,7 @@ is a program
 like tclsh or wish that supports both interactive interpretation
 of Tcl and evaluation of a script contained in a file given as
 a command line argument.  \fBTcl_Main\fR is offered as a convenience
-to developers of shell applications, so they do not have to 
+to developers of shell applications, so they do not have to
 reproduce all of the code for proper initialization of the Tcl
 library and interactive shell operation.  Other styles of embedding
 Tcl in an application are not supported by \fBTcl_Main\fR.  Those
@@ -106,7 +106,7 @@ will not evaluate any startup script.
 and encoding set by the most recent \fBTcl_SetStartupScript\fR
 call in the same thread.  The stored file name is returned,
 and the stored encoding name is written to space pointed to
-by \fIencodingPtr\fR, when that is not NULL.  
+by \fIencodingPtr\fR, when that is not NULL.
 .PP
 The file name and encoding values managed by the routines
 \fBTcl_SetStartupScript\fR and \fBTcl_GetStartupScript\fR
@@ -136,7 +136,7 @@ commands, \fBTcl_Main\fR calls the procedure given by the
 .QW hook
 for the application to perform its own initialization of the interpreter
 created by \fBTcl_Main\fR, such as defining application-specific
-commands.  The application initialization routine might also 
+commands.  The application initialization routine might also
 call \fBTcl_SetStartupScript\fR to (re-)set the file and encoding
 to be used as a startup script.  The procedure must have an interface
 that matches the type \fBTcl_AppInitProc\fR:
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_TraceCommand 3 7.4 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_TraceVar 3 7.4 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -203,7 +203,7 @@ The procedures \fBTcl_TraceVar2\fR, \fBTcl_UntraceVar2\fR, and
 except that the name of the variable consists of two parts.
 \fIName1\fR gives the name of a scalar variable or array,
 and \fIname2\fR gives the name of an element within an array.
-When \fIname2\fR is NULL, 
+When \fIname2\fR is NULL,
 \fIname1\fR may contain both an array and an element name:
 if the name contains an open parenthesis and ends with a
 close parenthesis, then the value between the parentheses is
@@ -214,7 +214,7 @@ If \fIname2\fR is NULL and \fIname1\fR does not refer
 to an array element it means that either the variable is
 a scalar or the trace is to be set on the entire array rather
 than an individual element (see WHOLE-ARRAY TRACES below for
-more information). 
+more information).
 .SH "ACCESSING VARIABLES DURING TRACES"
 .PP
 During read, write, and array traces, the
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_TranslateFileName 3 8.1 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -34,7 +34,7 @@ anything stored here.
 This utility procedure translates a file name to a platform-specific form
 which, after being converted to the appropriate encoding, is suitable for
 passing to the local operating system.  In particular, it converts
-network names into native form and does tilde substitution.  
+network names into native form and does tilde substitution.
 .PP
 However, with the advent of the newer \fBTcl_FSGetNormalizedPath\fR and
 \fBTcl_FSGetNativePath\fR, there is no longer any need to use this
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_UniCharIsAlpha 3 "8.1" Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_UpVar 3 7.4 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -40,7 +40,7 @@ an upvar-ed variable.
 One of \fBTCL_GLOBAL_ONLY\fR, \fBTCL_NAMESPACE_ONLY\fR or 0;  if non-zero,
 then \fIdestName\fR is a global or namespace variable;  otherwise it is
 local to the current procedure (or current namespace if no procedure is
-active). 
+active).
 .AP "const char" *name1 in
 First part of source variable's name (scalar name, or name of array
 without array index).
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH Tcl_WrongNumArgs 3 8.0 Tcl "Tcl Library Procedures"
 .so man.macros
 .BS
@@ -55,7 +55,7 @@ wrong # args: should be "foo bar fileName count"
 .PP
 \fIObjc\fR is usually 1, but may be 2 or more for commands like
 \fBstring\fR and the Tk widget commands, which use the first argument
-as a subcommand.  
+as a subcommand.
 .PP
 Some of the values in the \fIobjv\fR array may be abbreviations for
 a subcommand.  The command
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH after n 7.5 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -47,7 +47,7 @@ The delayed command is formed by concatenating all the \fIscript\fR
 arguments in the same fashion as the \fBconcat\fR command.
 The command will be executed at global level (outside the context
 of any Tcl procedure).
-If an error occurs while executing the delayed command then 
+If an error occurs while executing the delayed command then
 the background error will be reported by the command
 registered with \fBinterp bgerror\fR.
 The \fBafter\fR command returns an identifier that can be used
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH append n "" Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -14,11 +14,11 @@ apply \- Apply an anonymous function
 .SH DESCRIPTION
 .PP
 The command \fBapply\fR applies the function \fIfunc\fR to the arguments
-\fIarg1 arg2 ...\fR and returns the result. 
+\fIarg1 arg2 ...\fR and returns the result.
 .PP
 The function \fIfunc\fR is a two element list \fI{args body}\fR or a three
 element list \fI{args body namespace}\fR (as if the
-\fBlist\fR command had been used). 
+\fBlist\fR command had been used).
 The first element \fIargs\fR specifies the formal arguments to
 \fIfunc\fR. The specification of the formal arguments \fIargs\fR
 is shared with the \fBproc\fR command, and is described in detail in the
@@ -96,7 +96,7 @@ set vbl abc
 .SH "SEE ALSO"
 proc(n), uplevel(n)
 .SH KEYWORDS
-anonymous function, argument, lambda, procedure, 
+anonymous function, argument, lambda, procedure,
 '\" Local Variables:
 '\" mode: nroff
 '\" End:
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH array n 8.3 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH bgerror n 7.5 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH binary n 8.0 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -300,7 +300,7 @@ example,
 .CS
 \fBbinary format\fR s3 {3 -3 258 1}
 .CE
-will return a string equivalent to 
+will return a string equivalent to
 \fB\ex03\ex00\exfd\exff\ex02\ex01\fR.
 .RE
 .IP \fBS\fR 5
@@ -311,7 +311,7 @@ example,
 .CS
 \fBbinary format\fR S3 {3 -3 258 1}
 .CE
-will return a string equivalent to 
+will return a string equivalent to
 \fB\ex00\ex03\exff\exfd\ex01\ex02\fR.
 .RE
 .IP \fBt\fR 5
@@ -330,7 +330,7 @@ example,
 .CS
 \fBbinary format\fR i3 {3 -3 65536 1}
 .CE
-will return a string equivalent to 
+will return a string equivalent to
 \fB\ex03\ex00\ex00\ex00\exfd\exff\exff\exff\ex00\ex00\ex01\ex00\fR
 .RE
 .IP \fBI\fR 5
@@ -341,7 +341,7 @@ For example,
 .CS
 \fBbinary format\fR I3 {3 -3 65536 1}
 .CE
-will return a string equivalent to 
+will return a string equivalent to
 \fB\ex00\ex00\ex00\ex03\exff\exff\exff\exfd\ex00\ex01\ex00\ex00\fR
 .RE
 .IP \fBn\fR 5
@@ -397,7 +397,7 @@ on a Windows system running on an Intel Pentium processor,
 .CS
 \fBbinary format\fR f2 {1.6 3.4}
 .CE
-will return a string equivalent to 
+will return a string equivalent to
 \fB\excd\excc\excc\ex3f\ex9a\ex99\ex59\ex40\fR.
 .RE
 .IP \fBr\fR 5
@@ -418,7 +418,7 @@ Windows system running on an Intel Pentium processor,
 .CS
 \fBbinary format\fR d1 {1.6}
 .CE
-will return a string equivalent to 
+will return a string equivalent to
 \fB\ex9a\ex99\ex99\ex99\ex99\ex99\exf9\ex3f\fR.
 .RE
 .IP \fBq\fR 5
@@ -684,7 +684,7 @@ order.  For example,
 \fBbinary scan\fR \ex00\ex05\ex00\ex07\exff\exf0 S2S* var1 var2
 .CE
 will return \fB2\fR with \fB5 7\fR stored in \fIvar1\fR and \fB\-16\fR
-stored in \fIvar2\fR. 
+stored in \fIvar2\fR.
 .RE
 .IP \fBt\fR 5
 The data is interpreted as \fIcount\fR 16-bit signed integers
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH catch n "8.5" Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -43,7 +43,7 @@ value stored in \fIresultVarName\fR is the value returned from \fIscript\fR.
 .PP
 If the \fIoptionsVarName\fR argument is given, then the variable it
 names is set to a dictionary of return options returned by evaluation
-of \fIscript\fR.  Tcl specifies two entries that are always 
+of \fIscript\fR.  Tcl specifies two entries that are always
 defined in the dictionary: \fB\-code\fR and \fB\-level\fR.  When
 the return code from evaluation of \fIscript\fR is not \fBTCL_RETURN\fR,
 the value of the \fB\-level\fR entry will be 0, and the value
@@ -114,7 +114,7 @@ if { [\fBcatch\fR {open $someFile w} fid] } {
 .PP
 There are more complex examples of \fBcatch\fR usage in the
 documentation for the \fBreturn\fR command.
-.SH "SEE ALSO" 
+.SH "SEE ALSO"
 break(n), continue(n), dict(n), error(n), errorCode(n), errorInfo(n), info(n),
 return(n)
 .SH KEYWORDS
@@ -1,4 +1,4 @@
-'\" 
+'\"
 '\" Copyright (c) 2005-2006 Donal K. Fellows
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
@@ -200,7 +200,7 @@ generate an error.
 .TP
 \fB\-translation\fR \fImode\fR
 .TP
-\fB\-translation\fR \fB{\fIinMode outMode\fB}\fR 
+\fB\-translation\fR \fB{\fIinMode outMode\fB}\fR
 .
 In Tcl scripts the end of a line is always represented using a single
 newline character (\en).  However, in actual files and devices the end
@@ -240,7 +240,7 @@ all platforms Tcl chooses \fBcrlf\fR, for all Unix flavors, it chooses
 \fBcrlf\fR.  The default setting for \fB\-translation\fR is \fBauto\fR
 for both input and output.
 .TP
-\fBbinary\fR 
+\fBbinary\fR
 .
 No end-of-line translations are performed.  This is nearly identical
 to \fBlf\fR mode, except that in addition \fBbinary\fR mode also sets
@@ -287,12 +287,14 @@ slow destinations like network sockets.
 .RS
 .PP
 The \fBchan copy\fR command transfers data from \fIinputChan\fR until
-end of file or \fIsize\fR bytes have been transferred. If no
-\fB\-size\fR argument is given, then the copy goes until end of file.
-All the data read from \fIinputChan\fR is copied to \fIoutputChan\fR.
-Without the \fB\-command\fR option, \fBchan copy\fR blocks until the
-copy is complete and returns the number of bytes written to
-\fIoutputChan\fR.
+end of file or \fIsize\fR bytes or characters have been transferred;
+\fIsize\fR is in bytes if the two channels are using the same encoding,
+and is in characters otherwise.  If no \fB\-size\fR argument is given,
+then the copy goes until end of file. All the data read from
+\fIinputChan\fR is copied to \fIoutputChan\fR.  Without the
+\fB\-command\fR option, \fBchan copy\fR blocks until the copy is
+complete and returns the number of bytes or characters (using the same
+rules as for the \fB\-size\fR option) written to \fIoutputChan\fR.
 .PP
 The \fB\-command\fR argument makes \fBchan copy\fR work in the
 background.  In this case it returns immediately and the
@@ -530,8 +532,8 @@ only those channel names that match it (according to the rules of
 .
 Depending on whether \fImode\fR is \fBinput\fR or \fBoutput\fR,
 returns the number of
-bytes of input or output (respectively) currently buffered 
-internally for \fIchannelId\fR (especially useful in a readable event 
+bytes of input or output (respectively) currently buffered
+internally for \fIchannelId\fR (especially useful in a readable event
 callback to impose application-specific limits on input line lengths to avoid
 a potential denial-of-service attack where a hostile user crafts
 an extremely long line that exceeds the available memory to buffer it).
@@ -546,7 +548,19 @@ separately \fBstderr\fR and \fBstdout\fR from a subprocess. To do
 this, spawn with "2>@" or
 ">@" redirection operators onto the write side of a pipe, and then
 immediately close it in the parent. This is necessary to get an EOF on
-the read side once the child has exited or otherwise closed its output. 
+the read side once the child has exited or otherwise closed its output.
+.RS
+.PP
+Note that the pipe buffering semantics can vary at the operating system level
+substantially; it is not safe to assume that a write performed on the output
+side of the pipe will appear instantly to the input side. This is a
+fundamental difference and Tcl cannot conceal it. The overall stream semantics
+\fIare\fR compatible, so blocking reads and writes will not see most of the
+differences, but the details of what exactly gets written when are not. This
+is most likely to show up when using pipelines for testing; care should be
+taken to ensure that deadlocks do not occur and that potential short reads are
+allowed for.
+.RE
 .VE 8.6
 .TP
 \fBchan pop \fIchannelId\fR
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH dde n 1.4 dde "Tcl Bundled Packages"
 .so man.macros
 .BS
@@ -85,7 +85,7 @@ the command returns immediately with no error.
 .VS 8.6
 Without the \fB\-binary\fR option all data will be sent in unicode. For
 dde clients which don't implement the CF_UNICODE clipboard format, this
-will automatically be translated to the system encoding. You can use 
+will automatically be translated to the system encoding. You can use
 the \fB\-binary\fR option in combination with the result of
 \fBencoding convertto\fR to send data in any other encoding.
 .VE 8.6
@@ -102,7 +102,7 @@ application.
 .VS 8.6
 Without the \fB\-binary\fR option all data will be sent in unicode. For
 dde clients which don't implement the CF_UNICODE clipboard format, this
-will automatically be translated to the system encoding. You can use 
+will automatically be translated to the system encoding. You can use
 the \fB\-binary\fR option in combination with the result of
 \fBencoding convertto\fR to send data in any other encoding.
 .VE 8.6
@@ -1,9 +1,9 @@
 '\"
 '\" Copyright (c) 1998 by Scriptics Corporation.
-'\" 
+'\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH encoding n "8.1" Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -67,7 +67,7 @@ searchable directory, that element is ignored.
 \fBencoding names\fR
 .
 Returns a list containing the names of all of the encodings that are
-currently available. 
+currently available.
 The encodings
 .QW utf-8
 and
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH error n "" Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -28,7 +28,7 @@ the Tcl interpreter adds information to the \fB\-errorinfo\fR
 return option.  If the \fIinfo\fR argument is present, it is
 used to initialize the \fB\-errorinfo\fR return options and
 the first increment of unwind information
-will not be added by the Tcl interpreter.  
+will not be added by the Tcl interpreter.
 In other
 words, the command containing the \fBerror\fR command will not appear
 in the stack trace; in its place will be \fIinfo\fR.
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH exec n 8.5 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -220,7 +220,7 @@ discarded.
 The Tk console text widget does not provide real standard IO capabilities.
 Under Tk, when redirecting from standard input, all applications will see an
 immediate end-of-file; information redirected to standard output or standard
-error will be discarded.  
+error will be discarded.
 .PP
 Either forward or backward slashes are accepted as path separators for
 arguments to Tcl commands.  When executing an application, the path name
@@ -231,7 +231,7 @@ backslashes only in paths.  Any arguments to an application that specify a
 path name with forward slashes will not automatically be converted to use
 the backslash character.  If an argument contains forward slashes as the
 path separator, it may or may not be recognized as a path name, depending on
-the program.  
+the program.
 .PP
 Additionally, when calling a 16-bit DOS or Windows 3.X application, all path
 names must use the short, cryptic, path format (e.g., using
@@ -271,8 +271,9 @@ limitation as \fBexec\fR wants to communicate over pipes.  The Expect
 extension addresses this issue when communicating with a TUI application.
 .PP
 When attempting to execute an application, \fBexec\fR first searches for
-the name as it was specified.  Then, in order, \fB.com\fR, \fB.exe\fR, and
-\fB.bat\fR are appended to the end of the specified name and it searches
+the name as it was specified.  Then, in order,
+\fB.com\fR, \fB.exe\fR, \fB.bat\fR and \fB.cmd\fR
+are appended to the end of the specified name and it searches
 for the longer name.  If a directory name was not specified as part of the
 application name, the following directories are automatically searched in
 order when attempting to locate the application:
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH expr n 8.5 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -398,7 +398,7 @@ Most expressions do not require a second round of substitutions.
 Either they are enclosed in braces or, if not,
 their variable and command substitutions yield numbers or strings
 that do not themselves require substitutions.
-However, because a few unbraced expressions 
+However, because a few unbraced expressions
 need two rounds of substitutions,
 the bytecode compiler must emit
 additional instructions to handle this situation.
@@ -1,4 +1,4 @@
-'\" 
+'\"
 '\" Copyright (c) 1995-1996 Sun Microsystems, Inc.
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
@@ -125,7 +125,7 @@ generate an error.
 .TP
 \fB\-translation\fR \fImode\fR
 .TP
-\fB\-translation\fR \fB{\fIinMode outMode\fB}\fR 
+\fB\-translation\fR \fB{\fIinMode outMode\fB}\fR
 .
 In Tcl scripts the end of a line is always represented using a single
 newline character (\en).  However, in actual files and devices the end of
@@ -163,7 +163,7 @@ Tcl chooses \fBcrlf\fR, for all Unix flavors, it chooses \fBlf\fR, and
 for the various flavors of Windows it chooses \fBcrlf\fR.  The default
 setting for \fB\-translation\fR is \fBauto\fR for both input and output.
 .TP
-\fBbinary\fR 
+\fBbinary\fR
 .
 No end-of-line translations are performed.  This is nearly identical to
 \fBlf\fR mode, except that in addition \fBbinary\fR mode also sets the
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH fcopy n 8.0 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -23,20 +23,23 @@ avoid extra copies and to avoid buffering too much data in
 main memory when copying large files to slow destinations like
 network sockets.
 .PP
-The \fBfcopy\fR 
+The \fBfcopy\fR
 command transfers data from \fIinchan\fR until end of file
-or \fIsize\fR bytes have been 
-transferred. If no \fB\-size\fR argument is given,
+or \fIsize\fR bytes or characters have been
+transferred; \fIsize\fR is in bytes if the two channels are using the
+same encoding, and is in characters otherwise.
+If no \fB\-size\fR argument is given,
 then the copy goes until end of file.
 All the data read from \fIinchan\fR is copied to \fIoutchan\fR.
 Without the \fB\-command\fR option, \fBfcopy\fR blocks until the copy is complete
-and returns the number of bytes written to \fIoutchan\fR.
+and returns the number of bytes or characters (using the same rules as
+for the \fB\-size\fR option) written to \fIoutchan\fR.
 .PP
 The \fB\-command\fR argument makes \fBfcopy\fR work in the background.
 In this case it returns immediately and the \fIcallback\fR is invoked
 later when the copy completes.
 The \fIcallback\fR is called with
-one or two additional 
+one or two additional
 arguments that indicates how many bytes were written to \fIoutchan\fR.
 If an error occurred during the background copy, the second argument is the
 error string associated with the error.
@@ -109,7 +112,7 @@ fconfigure $out -translation binary
 This second example shows how the callback gets
 passed the number of bytes transferred.
 It also uses vwait to put the application into the event loop.
-Of course, this simplified example could be done without the command 
+Of course, this simplified example could be done without the command
 callback.
 .PP
 .CS
@@ -174,3 +177,6 @@ vwait done
 eof(n), fblocked(n), fconfigure(n), file(n)
 .SH KEYWORDS
 blocking, channel, end of line, end of file, nonblocking, read, translation
+'\" Local Variables:
+'\" mode: nroff
+'\" End:
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH file n 8.3 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -23,7 +23,7 @@ substitution is done before executing the command (see the manual entry for
 file name.  Any unique abbreviation for \fIoption\fR is acceptable.  The
 valid options are:
 .TP
-\fBfile atime \fIname\fR ?\fBtime\fR?
+\fBfile atime \fIname\fR ?\fItime\fR?
 .
 Returns a decimal string giving the time at which file \fIname\fR was last
 accessed.  If \fItime\fR is specified, it is an access time to set
@@ -34,9 +34,9 @@ generated.  On Windows, FAT file systems do not support access time.
 .TP
 \fBfile attributes \fIname\fR
 .TP
-\fBfile attributes \fIname\fR ?\fBoption\fR?
+\fBfile attributes \fIname\fR ?\fIoption\fR?
 .TP
-\fBfile attributes \fIname\fR ?\fBoption value option value...\fR?
+\fBfile attributes \fIname\fR ?\fIoption value option value...\fR?
 .
 This subcommand returns or sets platform specific values associated
 with a file. The first form returns a list of the platform specific
@@ -80,7 +80,7 @@ set to the value 0, which results in the resource fork being stripped
 off the file.
 .RE
 .TP
-\fBfile channels ?\fIpattern\fR?
+\fBfile channels\fR ?\fIpattern\fR?
 .
 If \fIpattern\fR is not specified, returns a list of names of all
 registered open channels in this interpreter.  If \fIpattern\fR is
@@ -141,7 +141,7 @@ returned.  For example,
 \fBfile dirname\fR c:/
 .CE
 .PP
-returns \fBc:/\fR. 
+returns \fBc:/\fR.
 .PP
 Note that tilde substitution will only be
 performed if it is necessary to complete the command. For example,
@@ -162,7 +162,9 @@ returns \fB/home\fR (or something similar).
 \fBfile executable \fIname\fR
 .
 Returns \fB1\fR if file \fIname\fR is executable by the current user,
-\fB0\fR otherwise.  
+\fB0\fR otherwise. On Windows, which does not have an executable attribute,
+the command treats all directories and any files with extensions
+\fBexe\fR, \fBcom\fR, \fBcmd\fR or \fBbat\fR as executable.
 .TP
 \fBfile exists \fIname\fR
 .
@@ -203,7 +205,7 @@ is always canonical for the current platform: \fB/\fR for Unix and
 Windows.
 .RE
 .TP
-\fBfile link ?\fI\-linktype\fR? \fIlinkName\fR ?\fItarget\fR?
+\fBfile link\fR ?\fI\-linktype\fR? \fIlinkName\fR ?\fItarget\fR?
 .
 If only one argument is given, that argument is assumed to be
 \fIlinkName\fR, and this command returns the value of the link given by
@@ -255,7 +257,7 @@ is for the link rather than the file it refers to.  On systems that
 do not support symbolic links this option behaves exactly the same
 as the \fBstat\fR option.
 .TP
-\fBfile mkdir ?\fIdir\fR ...?
+\fBfile mkdir\fR ?\fIdir\fR ...?
 .
 Creates each directory specified.  For each pathname \fIdir\fR specified,
 this command will create all non-existing parent directories as
@@ -300,7 +302,7 @@ operate on the actual symbolic link itself (for example \fBfile delete\fR,
 \fBfile rename\fR, \fBfile copy\fR are defined to operate on symbolic
 links, not on the things that they point to).
 .TP
-\fBfile owned \fIname\fR 
+\fBfile owned \fIname\fR
 .
 Returns \fB1\fR if file \fIname\fR is owned by the current user, \fB0\fR
 otherwise.
@@ -318,7 +320,7 @@ type is \fBvolumerelative\fR.
 \fBfile readable \fIname\fR
 .
 Returns \fB1\fR if file \fIname\fR is readable by the current user,
-\fB0\fR otherwise. 
+\fB0\fR otherwise.
 .TP
 \fBfile readlink \fIname\fR
 .
@@ -356,7 +358,7 @@ component of \fIname\fR does not contain a dot, then returns \fIname\fR.
 .TP
 \fBfile separator\fR ?\fIname\fR?
 .
-If no argument is given, returns the character which is used to separate 
+If no argument is given, returns the character which is used to separate
 path segments for native files on this platform.  If a path is given,
 the filesystem responsible for that path is asked to return its
 separator character.  If no file system accepts \fIname\fR, an error
@@ -427,7 +429,7 @@ If the file does not belong to any filesystem, an error is generated.
 .
 Returns all of the characters in the last filesystem component of
 \fIname\fR.  Any trailing directory separator in \fIname\fR is ignored.
-If \fIname\fR contains no separators then returns \fIname\fR.  So, 
+If \fIname\fR contains no separators then returns \fIname\fR.  So,
 \fBfile tail a/b\fR, \fBfile tail a/b/\fR and \fBfile tail b\fR all
 return \fBb\fR.
 .TP
@@ -457,7 +459,7 @@ Returns a string giving the type of file \fIname\fR, which will be one of
 \fBfifo\fR, \fBlink\fR, or \fBsocket\fR.
 .TP
 \fBfile volumes\fR
-. 
+.
 Returns the absolute paths to the volumes mounted on the system, as a
 proper Tcl list.  Without any virtual filesystems mounted as root
 volumes, on UNIX, the command will always return
@@ -478,14 +480,13 @@ Returns \fB1\fR if file \fIname\fR is writable by the current user,
 \fBUnix\fR\0\0\0\0\0\0\0
 .
 These commands always operate using the real user and group identifiers,
-not the effective ones. 
+not the effective ones.
 .TP
 \fBWindows\fR\0\0\0\0
 .
-The \fBfile owned\fR subcommand currently always reports that the current user
-is the owner of the file, without regard for what the operating system
-believes to be true, making an ownership test useless. This issue (#3613671)
-may be fixed in a future release of Tcl.
+The \fBfile owned\fR subcommand uses the user identifier (SID) of
+the process token, not the thread token which may be impersonating
+some other user.
 .SH EXAMPLES
 .PP
 This procedure shows how to search for C files in a given directory
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH fileevent n 7.5 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -112,7 +112,7 @@ buggy handlers.
 In this setup \fBGetData\fR will be called with the channel as an
 argument whenever $chan becomes readable. The \fBread\fR call will
 read whatever binary data is currently available without blocking.
-Here the channel has the fileevent removed when an end of file 
+Here the channel has the fileevent removed when an end of file
 occurs to avoid being continually called (see above). Alternatively
 the channel may be closed on this condition.
 .PP
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH filename n 7.5 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -29,7 +29,7 @@ File names are grouped into three general types based on the starting point
 for the path used to specify the file: absolute, relative, and
 volume-relative.  Absolute names are completely qualified, giving a path to
 the file relative to a particular volume and the root directory on that
-volume.  Relative names are unqualified, giving a path to the file relative 
+volume.  Relative names are unqualified, giving a path to the file relative
 to the current working directory.  Volume-relative names are partially
 qualified, either giving the path relative to the root directory on the
 current volume, or relative to the current directory of the specified
@@ -75,7 +75,7 @@ current directory.
 .TP 15
 \fB\&../foo\fR
 Relative path to the file \fBfoo\fR in the directory above the current
-directory. 
+directory.
 .RE
 .TP
 \fBWindows\fR
@@ -84,7 +84,7 @@ style names.  Both \fB/\fR and \fB\e\fR may be used as directory separators
 in either type of name.  Drive-relative names consist of an optional drive
 specifier followed by an absolute or relative path.  UNC paths follow the
 general form \fB\e\eservername\esharename\epath\efile\fR, but must at
-the very least contain the server and share components, i.e. 
+the very least contain the server and share components, i.e.
 \fB\e\eservername\esharename\fR.  In both forms,
 the file names \fB.\fR and \fB..\fR are special and refer to the current
 directory and the parent of the current directory respectively.  The
@@ -154,7 +154,7 @@ native path names).  Also Windows 3.1 only supports file
 names with a root of no more than 8 characters and an extension of no
 more than 3 characters.
 .PP
-On Windows platforms there are file and path length restrictions. 
+On Windows platforms there are file and path length restrictions.
 Complete paths or filenames longer than about 260 characters will lead
 to errors in most file operations.
 .PP
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH format n 8.1 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -25,14 +25,14 @@ arguments, if any, provide values to be substituted into the result.
 The return value from \fBformat\fR is the formatted string.
 .SH "DETAILS ON FORMATTING"
 .PP
-The command operates by scanning \fIformatString\fR from left to right. 
+The command operates by scanning \fIformatString\fR from left to right.
 Each character from the format string is appended to the result
 string unless it is a percent sign.
 If the character is a \fB%\fR then it is not copied to the result string.
 Instead, the characters following the \fB%\fR character are treated as
 a conversion specifier.
 The conversion specifier controls the conversion of the next successive
-\fIarg\fR to a particular format and the result is appended to 
+\fIarg\fR to a particular format and the result is appended to
 the result string in place of the conversion specifier.
 If there are multiple conversion specifiers in the format string,
 then each one controls the conversion of one additional \fIarg\fR.
@@ -66,12 +66,12 @@ The second portion of a conversion specifier may contain any of the
 following flag characters, in any order:
 .TP 10
 \fB\-\fR
-Specifies that the converted argument should be left-justified 
-in its field (numbers are normally right-justified with leading 
+Specifies that the converted argument should be left-justified
+in its field (numbers are normally right-justified with leading
 spaces if needed).
 .TP 10
 \fB+\fR
-Specifies that a number should always be printed with a sign, 
+Specifies that a number should always be printed with a sign,
 even if positive.
 .TP 10
 \fIspace\fR
@@ -79,7 +79,7 @@ Specifies that a space should be added to the beginning of the
 number if the first character is not a sign.
 .TP 10
 \fB0\fR
-Specifies that the number should be padded on the left with 
+Specifies that the number should be padded on the left with
 zeroes instead of spaces.
 .TP 10
 \fB#\fR
@@ -90,9 +90,9 @@ will be added to the beginning of the result unless it is zero.
 For \fBb\fR conversions, \fB0b\fR
 will be added to the beginning of the result unless it is zero.
 For all floating-point conversions (\fBe\fR, \fBE\fR, \fBf\fR,
-\fBg\fR, and \fBG\fR) it guarantees that the result always 
+\fBg\fR, and \fBG\fR) it guarantees that the result always
 has a decimal point.
-For \fBg\fR and \fBG\fR conversions it specifies that 
+For \fBg\fR and \fBG\fR conversions it specifies that
 trailing zeroes should not be removed.
 .SS "OPTIONAL FIELD WIDTH"
 .PP
@@ -103,7 +103,7 @@ If the converted argument contains fewer characters than the
 minimum field width then it will be padded so that it is as wide
 as the minimum field width.
 Padding normally occurs by adding extra spaces on the left of the
-converted argument, but the \fB0\fR and \fB\-\fR flags 
+converted argument, but the \fB0\fR and \fB\-\fR flags
 may be used to specify padding with zeroes on the left or with
 spaces on the right, respectively.
 If the minimum field width is specified as \fB*\fR rather than
@@ -122,7 +122,7 @@ point (however, trailing zeroes after the decimal point will still
 be omitted unless the \fB#\fR flag has been specified).
 For integer conversions, it specifies a minimum number of digits
 to print (leading zeroes will be added if necessary).
-For \fBs\fR conversions it specifies the maximum number of characters to be 
+For \fBs\fR conversions it specifies the maximum number of characters to be
 printed; if the string is longer than this then the trailing characters will be dropped.
 If the precision is specified with \fB*\fR rather than a number
 then the next argument to the \fBformat\fR command determines the precision;
@@ -135,7 +135,7 @@ If it is \fBll\fR it specifies that an integer value is taken
 without truncation for conversion to a formatted substring.
 If it is \fBh\fR it specifies that an integer value is
 truncated to a 16-bit range before converting.  This option is rarely useful.
-If it is \fBl\fR it specifies that the integer value is 
+If it is \fBl\fR it specifies that the integer value is
 truncated to the same range as that produced by the \fBwide()\fR
 function of the \fBexpr\fR command (at least a 64-bit range).
 If neither \fBh\fR nor \fBl\fR are present, the integer value is
@@ -178,22 +178,22 @@ Convert integer to the Unicode character it represents.
 No conversion; just insert string.
 .TP 10
 \fBf\fR
-Convert number to signed decimal string of 
-the form \fIxx.yyy\fR, where the number of \fIy\fR's is determined by 
+Convert number to signed decimal string of
+the form \fIxx.yyy\fR, where the number of \fIy\fR's is determined by
 the precision (default: 6).
 If the precision is 0 then no decimal point is output.
 .TP 10
 \fBe\fR or \fBE\fR
-Convert number to scientific notation in the 
-form \fIx.yyy\fBe\(+-\fIzz\fR, where the number of \fIy\fR's is determined 
+Convert number to scientific notation in the
+form \fIx.yyy\fBe\(+-\fIzz\fR, where the number of \fIy\fR's is determined
 by the precision (default: 6).
 If the precision is 0 then no decimal point is output.
-If the \fBE\fR form is used then \fBE\fR is 
+If the \fBE\fR form is used then \fBE\fR is
 printed instead of \fBe\fR.
 .TP 10
 \fBg\fR or \fBG\fR
-If the exponent is less than \-4 or greater than or equal to the 
-precision, then convert number as for \fB%e\fR or 
+If the exponent is less than \-4 or greater than or equal to the
+precision, then convert number as for \fB%e\fR or
 \fB%E\fR.
 Otherwise convert as for \fB%f\fR.
 Trailing zeroes and a trailing decimal point are omitted.
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH global n "" Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -24,7 +24,7 @@ in the list returned by \fBinfo locals\fR).
 .PP
 If \fIvarname\fR contains namespace qualifiers, the local variable's name is
 the unqualified name of the global variable, as determined by the
-\fBnamespace tail\fR command. 
+\fBnamespace tail\fR command.
 .PP
 \fIvarname\fR is always treated as the name of a variable, not an
 array element.  An error is returned if the name looks like an array element,
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH "http" n 2.7 http "Tcl Bundled Packages"
 .so man.macros
 .BS
@@ -60,7 +60,7 @@ a custom \fBsocket\fR command, via \fB::http::register\fR.
 .PP
 The \fB::http::geturl\fR procedure does a HTTP transaction.
 Its \fIoptions \fR determine whether a GET, POST, or HEAD transaction
-is performed.  
+is performed.
 The return value of \fB::http::geturl\fR is a token for the transaction.
 The value is also the name of an array in the ::http namespace
 that contains state information about the transaction.  The elements
@@ -90,7 +90,7 @@ flags and values that define the configuration:
 \fB\-accept\fR \fImimetypes\fR
 .
 The Accept header of the request.  The default is */*, which means that
-all types of documents are accepted.  Otherwise you can supply a 
+all types of documents are accepted.  Otherwise you can supply a
 comma-separated list of mime type patterns that you are
 willing to receive.  For example,
 .QW "image/gif, image/jpeg, text/*" .
@@ -132,7 +132,7 @@ The value of the User-Agent header in the HTTP request.  The default is
 .QW "\fBTcl http client package 2.7\fR" .
 .RE
 .TP
-\fB::http::geturl\fR \fIurl\fR ?\fIoptions\fR? 
+\fB::http::geturl\fR \fIurl\fR ?\fIoptions\fR?
 .
 The \fB::http::geturl\fR command is the main procedure in the package.
 The \fB\-query\fR option causes a POST operation and
@@ -275,7 +275,7 @@ do the formatting.
 \fB\-queryblocksize\fR \fIsize\fR
 .
 The block size used when posting query data to the URL.
-At most 
+At most
 \fIsize\fR
 bytes are written at once.  After each block, a call to the
 \fB\-queryprogress\fR
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH lindex n 8.4 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -48,7 +48,7 @@ substitution and command substitution do not occur.
 If \fIindex\fR is negative or greater than or equal to the number
 of elements in \fIvalue\fR, then an empty
 string is returned.
-The interpretation of each simple \fIindex\fR value is the same as 
+The interpretation of each simple \fIindex\fR value is the same as
 for the command \fBstring index\fR, supporting simple index
 arithmetic and indices relative to the end of the list.
 .PP
@@ -115,7 +115,7 @@ set idx 3
      \fI\(-> f\fR
 .CE
 .SH "SEE ALSO"
-list(n), lappend(n), linsert(n), llength(n), lsearch(n), 
+list(n), lappend(n), linsert(n), llength(n), lsearch(n),
 lset(n), lsort(n), lrange(n), lreplace(n),
 string(n)
 .SH KEYWORDS
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH linsert n 8.2 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -45,7 +45,7 @@ set newList [\fBlinsert\fR $midList end-1 lazy]
 set newerList [\fBlinsert\fR [\fBlinsert\fR $oldList end-1 quick] 1 lazy]
 .CE
 .SH "SEE ALSO"
-list(n), lappend(n), lindex(n), llength(n), lsearch(n), 
+list(n), lappend(n), lindex(n), llength(n), lsearch(n),
 lset(n), lsort(n), lrange(n), lreplace(n),
 string(n)
 .SH KEYWORDS
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH llength n "" Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -49,7 +49,7 @@ An empty list is not necessarily an empty string:
 1,0
 .CE
 .SH "SEE ALSO"
-list(n), lappend(n), lindex(n), linsert(n), lsearch(n), 
+list(n), lappend(n), lindex(n), linsert(n), lsearch(n),
 lset(n), lsort(n), lrange(n), lreplace(n)
 .SH KEYWORDS
 element, list, length
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH lmap n "" Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -51,7 +51,7 @@ Zip lists together:
 .CS
 set list1 {a b c d}
 set list2 {1 2 3 4}
-set zipped [\fBlmap\fR a $list1 b $list2 {list $a $b}] 
+set zipped [\fBlmap\fR a $list1 b $list2 {list $a $b}]
 # The value of zipped is "{a 1} {b 2} {c 3} {d 4}"
 .CE
 .PP
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH lrange n 7.4 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -71,7 +71,7 @@ elements to
 {elements to}
 .CE
 .SH "SEE ALSO"
-list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n), 
+list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n),
 lset(n), lreplace(n), lsort(n),
 string(n)
 .SH KEYWORDS
@@ -1,4 +1,4 @@
-'\" 
+'\"
 '\" Copyright (c) 1993 The Regents of the University of California.
 '\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
 '\" Copyright (c) 2001 Kevin B. Kenny <kennykb@acm.org>.  All rights reserved.
@@ -6,7 +6,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH lsearch n 8.6 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -111,7 +111,7 @@ The list elements are to be compared as integers.
 \fB\-nocase\fR
 .
 Causes comparisons to be handled in a case-insensitive manner.  Has no
-effect if combined with the \fB\-dictionary\fR, \fB\-integer\fR, or 
+effect if combined with the \fB\-dictionary\fR, \fB\-integer\fR, or
 \fB\-real\fR options.
 .TP
 \fB\-real\fR
@@ -209,7 +209,7 @@ It is also possible to search inside elements:
      \fI\(-> {a abc} {b bcd}\fR
 .CE
 .SH "SEE ALSO"
-foreach(n), list(n), lappend(n), lindex(n), linsert(n), llength(n), 
+foreach(n), list(n), lappend(n), lindex(n), linsert(n), llength(n),
 lset(n), lsort(n), lrange(n), lreplace(n),
 string(n)
 .SH KEYWORDS
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH lset n 8.4 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -16,7 +16,7 @@ lset \- Change an element in a list
 .SH DESCRIPTION
 .PP
 The \fBlset\fR command accepts a parameter, \fIvarName\fR, which
-it interprets as the name of a variable containing a Tcl list. 
+it interprets as the name of a variable containing a Tcl list.
 It also accepts zero or more \fIindices\fR into
 the list.  The indices may be presented either consecutively on the
 command line, or grouped in a
@@ -40,7 +40,7 @@ In this case, \fInewValue\fR replaces the old value of the variable
 .PP
 When presented with a single index, the \fBlset\fR command
 treats the content of the \fIvarName\fR variable as a Tcl list.
-It addresses the \fIindex\fR'th element in it 
+It addresses the \fIindex\fR'th element in it
 (0 refers to the first element of the list).
 When interpreting the list, \fBlset\fR observes the same rules
 concerning braces and quotes and backslashes as the Tcl command
@@ -136,7 +136,7 @@ The indicated return value also becomes the new value of \fIx\fR.
      \fI\(-> {{a b} {c d}} {{e f} {j h}}\fR
 .CE
 .SH "SEE ALSO"
-list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n), 
+list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n),
 lsort(n), lrange(n), lreplace(n),
 string(n)
 .SH KEYWORDS
@@ -6,7 +6,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH lsort n 8.5 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -153,14 +153,14 @@ returns
 \fB\-nocase\fR
 .
 Causes comparisons to be handled in a case-insensitive manner.  Has no
-effect if combined with the \fB\-dictionary\fR, \fB\-integer\fR, or 
+effect if combined with the \fB\-dictionary\fR, \fB\-integer\fR, or
 \fB\-real\fR options.
 .TP
 \fB\-unique\fR
 .
 If this option is specified, then only the last set of duplicate
 elements found in the list will be retained.  Note that duplicates are
-determined relative to the comparison used in the sort.  Thus if 
+determined relative to the comparison used in the sort.  Thus if
 \fB\-index 0\fR is used, \fB{1 a}\fR and \fB{1 b}\fR would be
 considered duplicates and only the second element, \fB{1 b}\fR, would
 be retained.
@@ -265,7 +265,7 @@ More complex sorting using a comparison function:
 {1 dingo} {2 banana} {0x2 carrot} {3 apple}
 .CE
 .SH "SEE ALSO"
-list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n), 
+list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n),
 lset(n), lrange(n), lreplace(n)
 .SH KEYWORDS
 element, list, order, sort
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH mathfunc n 8.5 Tcl "Tcl Mathematical Functions"
 .so man.macros
 .BS
@@ -142,7 +142,7 @@ than \fI0\fR, this is equivalent to
 \fBbool \fIarg\fR
 .
 Accepts any numeric value, or any string acceptable to
-\fBstring is boolean\fR, and returns the corresponding 
+\fBstring is boolean\fR, and returns the corresponding
 boolean value \fB0\fR or \fB1\fR.  Non-zero numbers are true.
 Other numbers are false.  Non-numeric strings produce boolean value in
 agreement with \fBstring is true\fR and \fBstring is false\fR.
@@ -243,7 +243,7 @@ is negative, \fIy\fR must be an integer value.
 .TP
 \fBrand\fR
 .
-Returns a pseudo-random floating-point value in the range (\fI0\fR,\fI1\fR).  
+Returns a pseudo-random floating-point value in the range (\fI0\fR,\fI1\fR).
 The generator algorithm is a simple linear congruential generator that
 is not cryptographically secure.  Each result from \fBrand\fR completely
 determines all future results from subsequent calls to \fBrand\fR, so
@@ -290,7 +290,7 @@ Returns the hyperbolic tangent of \fIarg\fR.
 .
 The argument may be any numeric value.  The integer part of \fIarg\fR
 is determined, and then the low order 64 bits of that integer value
-are returned as an integer value.  
+are returned as an integer value.
 .SH "SEE ALSO"
 expr(n), mathop(n), namespace(n)
 .SH "COPYRIGHT"
@@ -2,7 +2,7 @@
 '\" Copyright (c) 1992-1999 by Karl Lehenbauer and Mark Diekhans
 '\" Copyright (c) 2000 by Scriptics Corporation.
 '\" All rights reserved.
-'\" 
+'\"
 .TH memory n 8.1 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -33,9 +33,9 @@ command mode.
 .TP
 \fBmemory info\fR
 .
-Returns a report containing the total allocations and frees since 
+Returns a report containing the total allocations and frees since
 Tcl began, the current packets allocated (the current
-number of calls to \fBckalloc\fR not met by a corresponding call 
+number of calls to \fBckalloc\fR not met by a corresponding call
 to \fBckfree\fR), the current bytes allocated, and the maximum number
 of packets and bytes allocated.
 .TP
@@ -64,7 +64,7 @@ with it a string-valued tag.  In the lists of allocated memory generated
 by \fBmemory active\fR and \fBmemory onexit\fR, the tag for each packet
 is printed along with other information about the packet.  The
 \fBmemory tag\fR command sets the tag value for subsequent calls
-to \fBckalloc\fR to be \fIstring\fR.  
+to \fBckalloc\fR to be \fIstring\fR.
 .TP
 \fBmemory trace \fR[\fBon\fR|\fBoff\fR]
 .
@@ -91,7 +91,7 @@ being displayed for all allocations and frees.  Since there can be a lot
 of memory activity before a problem occurs, judicious use of this option
 can reduce the slowdown caused by tracing (and the amount of trace information
 produced), if you can identify a number of allocations that occur before
-the problem sets in.  The current number of memory allocations that have 
+the problem sets in.  The current number of memory allocations that have
 occurred since Tcl started is printed on a guard zone failure.
 .TP
 \fBmemory validate \fR[\fBon\fR|\fBoff\fR]
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH "msgcat" n 1.5 msgcat "Tcl Bundled Packages"
 .so man.macros
 .BS
@@ -259,7 +259,7 @@ language[_country][.codeset][@modifier]
 .CE
 .PP
 to extract its parts.  The initial locale is then set by calling
-\fB::msgcat::mclocale\fR with the argument 
+\fB::msgcat::mclocale\fR with the argument
 .PP
 .CS
 language[_country][_modifier]
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH open n 8.3 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -68,7 +68,7 @@ Set the initial access position  to the end of the file.
 All of the legal \fIaccess\fR values above may have the character
 \fBb\fR added as the second or third character in the value to
 indicate that the opened channel should be configured as if with the
-\fBfconfigure\fR \fB\-translation binary\fR option, making the channel suitable for 
+\fBfconfigure\fR \fB\-translation binary\fR option, making the channel suitable for
 reading or writing of binary data.
 .PP
 In the second form, \fIaccess\fR consists of a list of any of the
@@ -382,7 +382,7 @@ pipe is closed.  These problems only occur because both Tcl and the child
 application are competing for the console at the same time.  If the command
 pipeline is started from a script, so that Tcl is not accessing the console,
 or if the command pipeline does not use standard input or output, but is
-redirected from or to a file, then the above problems do not occur.  
+redirected from or to a file, then the above problems do not occur.
 .RE
 .TP
 \fBUnix\fR\0\0\0\0\0\0\0
@@ -402,7 +402,7 @@ some will be sent to the Tcl evaluator.  This problem only occurs because
 both Tcl and the child application are competing for the console at the
 same time.  If the command pipeline is started from a script, so that Tcl is
 not accessing the console, or if the command pipeline does not use standard
-input, but is redirected from a file, then the above problem does not occur.  
+input, but is redirected from a file, then the above problem does not occur.
 .RE
 .PP
 See the \fBPORTABILITY ISSUES\fR section of the \fBexec\fR command for
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH package n 7.5 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -95,7 +95,7 @@ provided by a previous \fBpackage provide\fR command.
 If the \fIversion\fR argument is omitted, then the command
 returns the version number that is currently provided, or an
 empty string if no \fBpackage provide\fR command has been
-invoked for \fIpackage\fR in this interpreter.  
+invoked for \fIpackage\fR in this interpreter.
 .TP
 \fBpackage require \fR\fIpackage \fR?\fIrequirement...\fR?
 .
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH pkg_mkIndex n 8.3 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -47,7 +47,7 @@ interpreter and seeing what packages
 and new commands appear (this is why it is essential to have
 \fBpackage provide\fR commands or \fBTcl_PkgProvide\fR calls
 in the files, as described above).
-If you have a package split among scripts and binary files, 
+If you have a package split among scripts and binary files,
 or if you have dependencies among files,
 you may have to use the \fB\-load\fR option
 or adjust the order in which \fBpkg_mkIndex\fR processes
@@ -132,7 +132,7 @@ version control:  several versions of a package can be made available
 in the index files, with different applications using different
 versions based on \fBpackage require\fR commands.
 In contrast, \fBauto_mkindex\fR does not understand versions so
-it can only handle a single version of each package. 
+it can only handle a single version of each package.
 It is probably not a good idea to index a given package with both
 \fBpkg_mkIndex\fR and \fBauto_mkindex\fR.
 If you use \fBpkg_mkIndex\fR to index a package, its commands cannot
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH proc n "" Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -32,10 +32,11 @@ elements specifies
 one argument.  Each argument specifier is also a list with either
 one or two fields.  If there is only a single field in the specifier
 then it is the name of the argument; if there are two fields, then
-the first is the argument name and the second is its default value. 
+the first is the argument name and the second is its default value.
 Arguments with default values that are followed by non-defaulted
-arguments become required arguments.  In 8.6 this will be considered an 
-error. 
+arguments become required arguments; enough actual arguments must be
+supplied to allow all arguments up to and including the last required
+formal argument.
 .PP
 When \fIname\fR is invoked a local variable
 will be created for each of the formal arguments to the procedure; its
@@ -46,13 +47,16 @@ Arguments with default values need not be
 specified in a procedure invocation.  However, there must be enough
 actual arguments for all the
 formal arguments that do not have defaults, and there must not be any extra
-actual arguments.  
+actual arguments.
 Arguments with default values that are followed by non-defaulted
-arguments become required arguments (in 8.6 it will be considered an 
-error).
+arguments become de-facto required arguments, though this may change
+in a future version of Tcl; portable code should ensure that all
+optional arguments come after all required arguments.
+.PP
 There is one special case to permit procedures with
 variable numbers of arguments.  If the last formal argument has the name
-\fBargs\fR, then a call to the procedure may contain more actual arguments
+.QW \fBargs\fR ,
+then a call to the procedure may contain more actual arguments
 than the procedure has formal arguments.  In this case, all of the actual arguments
 starting at the one that would be assigned to \fBargs\fR are combined into
 a list (as if the \fBlist\fR command had been used); this combined value
@@ -62,7 +66,7 @@ When \fIbody\fR is being executed, variable names normally refer to
 local variables, which are created automatically when referenced and
 deleted when the procedure returns.  One local variable is automatically
 created for each of the procedure's arguments.
-Other variables can only be accessed by invoking one of the \fBglobal\fR, 
+Other variables can only be accessed by invoking one of the \fBglobal\fR,
 \fBvariable\fR, \fBupvar\fR or \fBnamespace upvar\fR commands.
 The current namespace when \fIbody\fR is executed will be the
 namespace that the procedure's name exists in, which will be the
@@ -80,6 +84,20 @@ If an error occurs while executing the procedure
 body, then the procedure-as-a-whole will return that same error.
 .SH EXAMPLES
 .PP
+This is a procedure that takes two arguments and prints both their sum
+and their product. It also returns the string
+.QW OK
+to the caller as an explicit result.
+.PP
+.CS
+\fBproc\fR printSumProduct {x y} {
+    set sum [expr {$x + $y}]
+    set prod [expr {$x * $y}]
+    puts "sum is $sum, product is $prod"
+    return "OK"
+}
+.CE
+.PP
 This is a procedure that accepts arbitrarily many arguments and prints
 them out, one by one.
 .PP
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH read n 8.1 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -58,12 +58,12 @@ configured to be nonblocking: \fBfconfigure\fI channelId \fB\-blocking
 \fI0\fR.  Then \fBread\fR behaves much like described above.  Care
 must be taken when using \fBread\fR on blocking serial ports:
 .TP
-\fBread \fIchannelId numChars\fR 
+\fBread \fIchannelId numChars\fR
 .
 In this form \fBread\fR blocks until \fInumChars\fR have been received
 from the serial port.
 .TP
-\fBread \fIchannelId\fR 
+\fBread \fIchannelId\fR
 .
 In this form \fBread\fR blocks until the reception of the end-of-file
 character, see \fBfconfigure\fR \fB\-eofchar\fR. If there no end-of-file
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH regexp n 8.3 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -51,7 +51,7 @@ the \fB(?x)\fR embedded option (see the \fBre_syntax\fR manual page).
 .TP 15
 \fB\-indices\fR
 .
-Changes what is stored in the \fImatchVar\fR and \fIsubMatchVar\fRs. 
+Changes what is stored in the \fImatchVar\fR and \fIsubMatchVar\fRs.
 Instead of storing the matching characters from \fIstring\fR,
 each variable
 will contain a list of two decimal strings giving the indices
@@ -133,7 +133,7 @@ regular expression.  Examples are:
 \fB\-start\fR \fIindex\fR
 .
 Specifies a character index offset into the string to start
-matching the regular expression at.  
+matching the regular expression at.
 The \fIindex\fR value is interpreted in the same manner
 as the \fIindex\fR argument to \fBstring index\fR.
 When using this switch,
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH regsub n 8.3 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -123,7 +123,7 @@ by \fIsubSpec\fR use the original unconverted form of \fIstring\fR.
 \fB\-start\fR \fIindex\fR
 .
 Specifies a character index offset into the string to start
-matching the regular expression at.  
+matching the regular expression at.
 The \fIindex\fR value is interpreted in the same manner
 as the \fIindex\fR argument to \fBstring index\fR.
 When using this switch,
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH return n 8.5 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -24,7 +24,7 @@ return \- Return from a procedure, or set return code of a script
 In its simplest usage, the \fBreturn\fR command is used without options
 in the body of a procedure to immediately return control to the caller
 of the procedure.  If a \fIresult\fR argument is provided, its value
-becomes the result of the procedure passed back to the caller.  
+becomes the result of the procedure passed back to the caller.
 If \fIresult\fR is not specified then an empty string will be returned
 to the caller as the result of the procedure.
 .PP
@@ -114,7 +114,7 @@ is meant to be additional information about the error,
 presented as a Tcl list for further processing by programs.
 If no \fB\-errorcode\fR option is provided to \fBreturn\fR when
 the \fB\-code error\fR option is provided, Tcl will set the value
-of the \fB\-errorcode\fR entry in the return options dictionary 
+of the \fB\-errorcode\fR entry in the return options dictionary
 to the default value of \fBNONE\fR.  The \fB\-errorcode\fR return
 option will also be stored in the global variable \fBerrorCode\fR.
 .TP
@@ -124,7 +124,7 @@ The \fB\-errorinfo\fR option receives special treatment only when the value
 of the \fB\-code\fR option is \fBTCL_ERROR\fR.  Then \fIinfo\fR is the initial
 stack trace, meant to provide to a human reader additional information
 about the context in which the error occurred.  The stack trace will
-also be stored in the global variable \fBerrorInfo\fR.  
+also be stored in the global variable \fBerrorInfo\fR.
 If no \fB\-errorinfo\fR option is provided to \fBreturn\fR when
 the \fB\-code error\fR option is provided, Tcl will provide its own
 initial stack trace value in the entry for \fB\-errorinfo\fR.  Tcl's
@@ -198,7 +198,7 @@ their documented interpretation in loops.
 .PP
 Procedure invocation also involves evaluation of a script, the body
 of the procedure.  Procedure invocation provides special treatment
-when evaluation of the procedure body returns the return code 
+when evaluation of the procedure body returns the return code
 \fBTCL_RETURN\fR.  In that circumstance, the \fB\-level\fR entry in the
 return options dictionary is decremented.  If after decrementing,
 the value of the \fB\-level\fR entry is 0, then the value of
@@ -231,7 +231,7 @@ procedure, interrupting the procedure body.
 .CS
 proc printOneLine {} {
    puts "line 1"    ;# This line will be printed.
-    \fBreturn\fR		
+    \fBreturn\fR
    puts "line 2"    ;# This line will not be printed.
 }
 .CE
@@ -3,7 +3,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH "Safe Tcl" n 8.0 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -53,8 +53,8 @@ No knowledge of the file system structure is leaked to the
 safe interpreter, because it has access only to a virtualized path
 containing tokens. When the safe interpreter requests to source a file, it
 uses the token in the virtual path as part of the file name to source; the
-master interpreter transparently 
-translates the token into a real directory name and executes the 
+master interpreter transparently
+translates the token into a real directory name and executes the
 requested operation (see the section \fBSECURITY\fR below for details).
 Different levels of security can be selected by using the optional flags
 of the commands described below.
@@ -81,7 +81,7 @@ other means, like \fBinterp create\fR \fB\-safe\fR.
 \fB::safe::interpConfigure\fR \fIslave\fR ?\fIoptions...\fR?
 If no \fIoptions\fR are given, returns the settings for all options for the
 named safe interpreter as a list of options and their current values
-for that \fIslave\fR. 
+for that \fIslave\fR.
 If a single additional argument is provided,
 it will return a list of 2 elements \fIname\fR and \fIvalue\fR where
 \fIname\fR is the full name of that option and \fIvalue\fR the current value
@@ -106,7 +106,7 @@ safe::interpConfigure $i0  \-delete {foo bar} \-statics 0
 .RE
 .TP
 \fB::safe::interpDelete\fR \fIslave\fR
-Deletes the safe interpreter and cleans up the corresponding  
+Deletes the safe interpreter and cleans up the corresponding
 master interpreter data structures.
 If a \fIdeleteHook\fR script was specified for this interpreter it is
 evaluated before the interpreter is deleted, with the name of the
@@ -175,26 +175,26 @@ ERROR for slave interp10 : /foo/bar/init.tcl: no such file or directory
 .CE
 .RE
 .SS OPTIONS
-The following options are common to 
-\fB::safe::interpCreate\fR, \fB::safe::interpInit\fR, 
+The following options are common to
+\fB::safe::interpCreate\fR, \fB::safe::interpInit\fR,
 and \fB::safe::interpConfigure\fR.
-Any option name can be abbreviated to its minimal 
+Any option name can be abbreviated to its minimal
 non-ambiguous name.
 Option names are not case sensitive.
-.TP 
+.TP
 \fB\-accessPath\fR \fIdirectoryList\fR
 This option sets the list of directories from which the safe interpreter
 can \fBsource\fR and \fBload\fR files.
 If this option is not specified, or if it is given as the
 empty list, the safe interpreter will use the same directories as its
 master for auto-loading.
-See the section \fBSECURITY\fR below for more detail about virtual paths, 
+See the section \fBSECURITY\fR below for more detail about virtual paths,
 tokens and access control.
 .TP
 \fB\-statics\fR \fIboolean\fR
 This option specifies if the safe interpreter will be allowed
 to load statically linked packages (like \fBload {} Tk\fR).
-The default value is \fBtrue\fR : 
+The default value is \fBtrue\fR :
 safe interpreters are allowed to load statically linked packages.
 .TP
 \fB\-noStatics\fR
@@ -205,7 +205,7 @@ to load statically linked packages.
 \fB\-nested\fR \fIboolean\fR
 This option specifies if the safe interpreter will be allowed
 to load packages into its own sub-interpreters.
-The default value is \fBfalse\fR : 
+The default value is \fBfalse\fR :
 safe interpreters are not allowed to load packages into
 their own sub-interpreters.
 .TP
@@ -213,7 +213,7 @@ their own sub-interpreters.
 This option is a convenience shortcut for \fB\-nested true\fR and
 thus specifies the safe interpreter will be allowed
 to load packages into its own sub-interpreters.
-.TP 
+.TP
 \fB\-deleteHook\fR \fIscript\fR
 When this option is given a non-empty \fIscript\fR, it will be
 evaluated in the master with the name of
@@ -286,17 +286,17 @@ This virtual path system is maintained in the master interpreter for each safe
 interpreter created by \fB::safe::interpCreate\fR or initialized by
 \fB::safe::interpInit\fR and
 the path maps tokens accessible in the safe interpreter into real path
-names on the local file system thus preventing safe interpreters 
+names on the local file system thus preventing safe interpreters
 from gaining knowledge about the
 structure of the file system of the host on which the interpreter is
 executing.
 The only valid file names arguments
 for the \fBsource\fR and \fBload\fR aliases provided to the slave
-are path in the form of 
+are path in the form of
 \fB[file join \fItoken filename\fB]\fR (i.e. when using the
 native file path formats: \fItoken\fB/\fIfilename\fR
 on Unix and \fItoken\fB\e\fIfilename\fR on Windows),
-where \fItoken\fR is representing one of the directories 
+where \fItoken\fR is representing one of the directories
 of the \fIaccessPath\fR list and \fIfilename\fR is
 one file in that directory (no sub directories access are allowed).
 .PP
@@ -323,25 +323,25 @@ list will be assigned a token that will be set in
 the slave \fBauto_path\fR and the first element of that list will be set as
 the \fBtcl_library\fR for that slave.
 .PP
-If the access path argument is not given or is the empty list, 
+If the access path argument is not given or is the empty list,
 the default behavior is to let the slave access the same packages
-as the master has access to (Or to be more precise: 
+as the master has access to (Or to be more precise:
 only packages written in Tcl (which by definition cannot be dangerous
 as they run in the slave interpreter) and C extensions that
-provides a _SafeInit entry point). For that purpose, the master's 
-\fBauto_path\fR will be used to construct the slave access path. 
+provides a _SafeInit entry point). For that purpose, the master's
+\fBauto_path\fR will be used to construct the slave access path.
 In order that the slave successfully loads the Tcl library files
 (which includes the auto-loading mechanism itself) the \fBtcl_library\fR will be
-added or moved to the first position if necessary, in the 
+added or moved to the first position if necessary, in the
 slave access path, so the slave
 \fBtcl_library\fR will be the same as the master's (its real
-path will still be invisible to the slave though). 
+path will still be invisible to the slave though).
 In order that auto-loading works the same for the slave and
 the master in this by default case, the first-level
 sub directories of each directory in the master \fBauto_path\fR will
 also be added (if not already included) to the slave access path.
 You can always specify a more
-restrictive path for which sub directories will never be searched by 
+restrictive path for which sub directories will never be searched by
 explicitly specifying your directory list with the \fB\-accessPath\fR flag
 instead of relying on this default mechanism.
 .PP
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH scan n 8.4 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -37,7 +37,7 @@ performed.
 If the next character in \fIformat\fR is a blank or tab then it
 matches any number of white space characters in \fIstring\fR (including
 zero).
-Otherwise, if it is not a \fB%\fR character then it 
+Otherwise, if it is not a \fB%\fR character then it
 must match the next character of \fIstring\fR.
 When a \fB%\fR is encountered in \fIformat\fR, it indicates
 the start of a conversion specifier.
@@ -52,7 +52,7 @@ The fields that are present must appear in the order given above.
 When \fBscan\fR finds a conversion specifier in \fIformat\fR, it
 first skips any white-space characters in \fIstring\fR (unless the
 conversion character is \fB[\fR or \fBc\fR).
-Then it converts the next input characters according to the 
+Then it converts the next input characters according to the
 conversion specifier and stores the result in the variable given
 by the next argument to \fBscan\fR.
 .SS "OPTIONAL POSITIONAL SPECIFIER"
@@ -95,7 +95,7 @@ truncated as required by the size modifier value.
 .TP
 \fBo\fR
 .
-The input substring must be an octal integer. It is read in and the 
+The input substring must be an octal integer. It is read in and the
 integer value is stored in the variable,
 truncated as required by the size modifier value.
 .TP
@@ -130,22 +130,22 @@ truncated as required by the size modifier value.
 .TP
 \fBc\fR
 .
-A single character is read in and its Unicode value is stored in 
+A single character is read in and its Unicode value is stored in
 the variable as an integer value.
 Initial white space is not skipped in this case, so the input
 substring may be a white-space character.
 .TP
 \fBs\fR
 .
-The input substring consists of all the characters up to the next 
+The input substring consists of all the characters up to the next
 white-space character; the characters are copied to the variable.
 .TP
 \fBe\fR or \fBf\fR or \fBg\fR or \fBE\fR or \fBG\fR
 .
-The input substring must be a floating-point number consisting 
+The input substring must be a floating-point number consisting
 of an optional sign, a string of decimal digits possibly
-containing a decimal point, and an optional exponent consisting 
-of an \fBe\fR or \fBE\fR followed by an optional sign and a string of 
+containing a decimal point, and an optional exponent consisting
+of an \fBe\fR or \fBE\fR followed by an optional sign and a string of
 decimal digits.
 It is read in and stored in the variable as a floating-point value.
 .TP
@@ -166,8 +166,8 @@ it is treated as part of \fIchars\fR rather than indicating a range.
 .
 The input substring consists of one or more characters not in \fIchars\fR.
 The matching string is stored in the variable.
-If the character immediately following the \fB^\fR is a \fB]\fR then it is 
-treated as part of the set rather than the closing bracket for 
+If the character immediately following the \fB^\fR is a \fB]\fR then it is
+treated as part of the set rather than the closing bracket for
 the set.
 If \fIchars\fR
 contains a sequence of the form \fIa\fB\-\fIb\fR then any
@@ -183,12 +183,12 @@ of characters scanned from the input string so far is stored in the variable.
 .PP
 The number of characters read from the input for a conversion is the
 largest number that makes sense for that particular conversion (e.g.
-as many decimal digits as possible for \fB%d\fR, as 
+as many decimal digits as possible for \fB%d\fR, as
 many octal digits as possible for \fB%o\fR, and so on).
 The input substring for a given conversion terminates either when a
-white-space character is encountered or when the maximum substring 
+white-space character is encountered or when the maximum substring
 width has been reached, whichever comes first.
-If a \fB*\fR is present in the conversion specifier 
+If a \fB*\fR is present in the conversion specifier
 then no variable is assigned and the next scan argument is not consumed.
 .SH "DIFFERENCES FROM ANSI SSCANF"
 .PP
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH set n "" Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -29,14 +29,14 @@ Otherwise \fIvarName\fR refers to a scalar variable.
 If \fIvarName\fR includes namespace qualifiers
 (in the array name if it refers to an array element), or if \fIvarName\fR
 is unqualified (does not include the names of any containing namespaces)
-but no procedure is active, 
+but no procedure is active,
 \fIvarName\fR refers to a namespace variable
 resolved according to the rules described under \fBNAME RESOLUTION\fR in
 the \fBnamespace\fR manual page.
 .PP
 If a procedure is active and \fIvarName\fR is unqualified, then
 \fIvarName\fR refers to a parameter or local variable of the procedure,
-unless \fIvarName\fR was declared to resolve differently through one of the 
+unless \fIvarName\fR was declared to resolve differently through one of the
 \fBglobal\fR, \fBvariable\fR or \fBupvar\fR commands.
 .SH EXAMPLES
 .PP
@@ -98,9 +98,9 @@ asynchronous connection has succeeded or failed. See the \fBvwait\fR
 and the \fBchan\fR commands for more details on the event loop and
 channel events.
 .PP
-The \fBchan configure\fR option \fB-connecting\fR may be used to check if the connect is still running. To verify a successful connect, the option \fB-error\fR may be checked when \fB-connecting\fR returned 0. 
+The \fBchan configure\fR option \fB-connecting\fR may be used to check if the connect is still running. To verify a successful connect, the option \fB-error\fR may be checked when \fB-connecting\fR returned 0.
 .PP
-Operation without the event queue requires at the moment calls to \fBchan configure\fR to advance the internal state machine. 
+Operation without the event queue requires at the moment calls to \fBchan configure\fR to advance the internal state machine.
 .RE
 .SH "SERVER SOCKETS"
 .PP
@@ -4,7 +4,7 @@
 .\"
 .\" See the file "license.terms" for information on usage and redistribution
 .\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-.\" 
+.\"
 .TH string n 8.1 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -443,7 +443,7 @@ would refer to the
 in
 .QW abcd ).
 .IP \fIM\fB+\fIN\fR 10
-The char specified at the integral index that is the sum of 
+The char specified at the integral index that is the sum of
 integer values \fIM\fR and \fIN\fR (e.g.,
 .QW \fB1+1\fR
 would refer to the
@@ -451,7 +451,7 @@ would refer to the
 in
 .QW abcd ).
 .IP \fIM\fB\-\fIN\fR 10
-The char specified at the integral index that is the difference of 
+The char specified at the integral index that is the difference of
 integer values \fIM\fR and \fIN\fR (e.g.,
 .QW \fB2\-1\fR
 would refer to the
@@ -5,7 +5,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH subst n 7.4 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -33,7 +33,7 @@ For example, if \fB\-nocommands\fR is specified, command substitution
 is not performed:  open and close brackets are treated as ordinary characters
 with no special interpretation.
 .PP
-Note that the substitution of one kind can include substitution of 
+Note that the substitution of one kind can include substitution of
 other kinds.  For example, even when the \fB\-novariables\fR option
 is specified, command substitution is performed without restriction.
 This means that any variable substitution necessary to complete the
@@ -7,7 +7,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH "tcltest" n 2.3 tcltest "Tcl Bundled Packages"
 .so man.macros
 .BS
@@ -118,7 +118,7 @@ all \fIoption\fRs begin with
 .TP
 \fBloadTestedCommands\fR
 .
-Evaluates in the caller's context the script specified by 
+Evaluates in the caller's context the script specified by
 \fBconfigure \-load\fR or \fBconfigure \-loadfile\fR.
 Returns the result of that script evaluation, including any error
 raised by the script.  Use this command and the related
@@ -486,7 +486,7 @@ test, typically test failure messages.  Good \fIdescription\fR values
 should briefly explain the purpose of the test to users of a test suite.
 The name of a Tcl or C function being tested should be included in the
 description for regression tests.  If the test case exists to reproduce
-a bug, include the bug ID in the description. 
+a bug, include the bug ID in the description.
 .PP
 Valid attributes and associated values are:
 .TP
@@ -508,8 +508,8 @@ should be accomplished by the \fB\-constraints\fR option, not by
 conditional evaluation of \fBtest\fR.  In that way, the same
 number of tests are always reported by the test suite, though
 the number skipped may change based on the testing environment.
-The default value is an empty list.  
-See \fBTEST CONSTRAINTS\fR below for a list of built-in constraints 
+The default value is an empty list.
+See \fBTEST CONSTRAINTS\fR below for a list of built-in constraints
 and information on how to add your own constraints.
 .TP
 \fB\-setup \fIscript\fR
@@ -521,7 +521,7 @@ is an empty script.
 .TP
 \fB\-body \fIscript\fR
 .
-The \fB\-body\fR attribute indicates the \fIscript\fR to run to carry out the 
+The \fB\-body\fR attribute indicates the \fIscript\fR to run to carry out the
 test, which must return a result that can be checked for correctness.
 If evaluation of \fIscript\fR raises an error, the test will fail
 (unless the \fB\-returnCodes\fR option is used to state that an error
@@ -561,7 +561,7 @@ processed for comparison.
 \fB\-errorOutput \fIexpectedValue\fR
 .
 The \fB\-errorOutput\fR attribute supplies the \fIexpectedValue\fR against
-which any output sent to \fBstderr\fR or \fBerrorChannel\fR during 
+which any output sent to \fBstderr\fR or \fBerrorChannel\fR during
 evaluation of the script(s) will be compared. Note that only output
 printed using the global \fBputs\fR command is used for comparison.  If
 \fB\-errorOutput\fR is not specified, output sent to \fBstderr\fR and
@@ -661,7 +661,7 @@ This test can only be run on a Mac or Unix platform.
 \fItempNotWin\fR
 .
 This test can not be run on Windows.  This flag is used to temporarily
-disable a test. 
+disable a test.
 .TP
 \fItempNotMac\fR
 .
@@ -671,17 +671,17 @@ to temporarily disable a test.
 \fIunixCrash\fR
 .
 This test crashes if it is run on Unix.  This flag is used to temporarily
-disable a test. 
+disable a test.
 .TP
 \fIwinCrash\fR
 .
 This test crashes if it is run on Windows.  This flag is used to temporarily
-disable a test. 
+disable a test.
 .TP
 \fImacCrash\fR
 .
 This test crashes if it is run on a Mac.  This flag is used to temporarily
-disable a test. 
+disable a test.
 .TP
 \fIemptyTest\fR
 .
@@ -702,17 +702,17 @@ This test can only be run in some known development environment.
 Some tests are inherently non-portable because they depend on things
 like word length, file system configuration, window manager, etc.
 This constraint has value false to cause tests to be skipped unless
-the user specifies otherwise.  
+the user specifies otherwise.
 .TP
 \fIuserInteraction\fR
 .
 This test requires interaction from the user.  This constraint has
 value false to causes tests to be skipped unless the user specifies
-otherwise.  
+otherwise.
 .TP
 \fIinteractive\fR
 .
-This test can only be run in if the interpreter is in interactive mode 
+This test can only be run in if the interpreter is in interactive mode
 (when the global tcl_interactive variable is set to 1).
 .TP
 \fInonBlockFiles\fR
@@ -792,7 +792,7 @@ and sorted.  Then each file will be evaluated in turn.  If
 be \fBsource\fRd in the caller's context.  If it is false,
 then a copy of \fBinterpreter\fR will be \fBexec\fR'd to
 evaluate each file.  The multi-process operation is useful
-when testing can cause errors so severe that a process 
+when testing can cause errors so severe that a process
 terminates.  Although such an error may terminate a child
 process evaluating one file, the master process can continue
 with the rest of the test suite.  In multi-process operation,
@@ -872,10 +872,10 @@ harness are doing.
 .
 Sets the type of output verbosity desired to \fIlevel\fR,
 a list of zero or more of the elements \fBbody\fR, \fBpass\fR,
-\fBskip\fR, \fBstart\fR, \fBerror\fR and \fBline\fR.  Default value
-is
+\fBskip\fR, \fBstart\fR, \fBerror\fR, \fBline\fR, \fBmsec\fR and \fBusec\fR.
+Default value is
 .QW "\fBbody error\fR" .
-Levels are defined as: 
+Levels are defined as:
 .RS
 .IP "body (\fBb\fR)"
 Display the body of failed tests
@@ -890,6 +890,16 @@ Print errorInfo and errorCode, if they exist, when a test return code
 does not match its expected return code
 .IP "line (\fBl\fR)"
 Print source file line information of failed tests
+.IP "msec (\fBm\fR)"
+Print each test's execution time in milliseconds
+.IP "usec (\fBu\fR)"
+Print each test's execution time in microseconds
+.PP
+Note that the \fBmsec\fR and \fBusec\fR verbosity levels are provided as
+indicative measures only. They do not tackle the problem of repeatibility which
+should be considered in performance tests or benchmarks. To use these verbosity
+levels to thoroughly track performance degradations, consider wrapping your
+test bodies with \fBtime\fR commands.
 .PP
 The single letter abbreviations noted above are also recognized
 so that
@@ -911,7 +921,7 @@ test files have been evaluated.
 .IP 1
 Also check for core files at the end of each \fBtest\fR command.
 .IP 2
-Check for core files at all times described above, and save a 
+Check for core files at all times described above, and save a
 copy of each core file produced in \fBconfigure \-tmpdir\fR.
 .RE
 .TP
@@ -988,7 +998,7 @@ Sets the filename from which to read a script to be evaluated
 by \fBloadTestedCommands\fR.  This is an alternative to
 \fB\-load\fR.  They cannot be used together.
 .TP
-\fB\-outfile \fIfilename\fR 
+\fB\-outfile \fIfilename\fR
 .
 Sets the file to which all output produced by tcltest should be
 written.  A file named \fIfilename\fR will be \fBopen\fRed for writing,
@@ -1065,7 +1075,7 @@ used by \fBrunAllTests\fR to find test files.  It is a good rule of
 thumb to have one test file for each source code file of your project.
 It is good practice to edit the test file and the source code file
 together, keeping tests synchronized with code changes.
-.PP 
+.PP
 Most of the code in the test file should be the \fBtest\fR commands.
 Use constraints to skip tests, rather than conditional evaluation
 of \fBtest\fR.
@@ -1199,7 +1209,7 @@ to establish a configuration from command line arguments.
 There are two known issues related to nested evaluations of \fBtest\fR.
 The first issue relates to the stack level in which test scripts are
 executed.  Tests nested within other tests may be executed at the same
-stack level as the outermost test.  For example, in the following code: 
+stack level as the outermost test.  For example, in the following code:
 .PP
 .CS
 \fBtest\fR level-1.1 {level 1} {
@@ -1211,7 +1221,7 @@ stack level as the outermost test.  For example, in the following code:
 .CE
 .PP
 any script executed in level-2.1 may be executed at the same stack
-level as the script defined for level-1.1.  
+level as the script defined for level-1.1.
 .PP
 In addition, while two \fBtest\fRs have been run, results will only
 be reported by \fBcleanupTests\fR for tests at the same level as
@@ -1241,7 +1251,7 @@ script is being run.  Errors thrown by C procedures or printed
 directly from C applications will not be caught by the \fBtest\fR command.
 Therefore, usage of the \fB\-output\fR and \fB\-errorOutput\fR
 options to \fBtest\fR is useful only for pure Tcl applications
-that use \fBputs\fR to produce output. 
+that use \fBputs\fR to produce output.
 .SH KEYWORDS
 test, test harness, test suite
 .\" Local Variables:
@@ -4,7 +4,7 @@
 '\"
 '\" See the file "license.terms" for information on usage and redistribution
 '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
-'\" 
+'\"
 .TH tclvars n 8.0 Tcl "Tcl Built-In Commands"
 .so man.macros
 .BS
@@ -94,7 +94,7 @@ Note that this environment variable should \fInot\fR normally be set.
 \fBenv(TCLLIBPATH)\fR
 .
 If set, then it must contain a valid Tcl list giving directories to
-search during auto-load operations.  Directories must be specified in 
+search during auto-load operations.  Directories must be specified in
 Tcl format, using
 .QW /
 as the path separator, regardless of platform.
@@ -229,7 +229,7 @@ nested Tcl commands that had been invoked at the time of the error.
 This variable holds the name of a directory containing the
 system library of Tcl scripts, such as those used for auto-loading.
 The value of this variable is returned by the \fBinfo library\fR command.
-See the \fBlibrary\fR manual entry for details of the facilities 
+See the \fBlibrary\fR manual entry for details of the facilities
 provided by the Tcl script library.
 Normally each application or package will have its own application-specific
 script library in addition to the Tcl script library;
@@ -289,7 +289,7 @@ predefined elements are:
 \fBbyteOrder\fR
 .
 The native byte order of this machine: either \fBlittleEndian\fR or
-\fBbigEndian\fR. 
+\fBbigEndian\fR.
 .TP
 \fBdebug\fR
 .
@@ -376,7 +376,7 @@ binary number.
 .PP
 .RS
 If \fBtcl_precision\fR is not zero, then when Tcl converts a floating
-point number, it creates a decimal representation of at most 
+point number, it creates a decimal representation of at most
 \fBtcl_precision\fR significant digits; the result may be shorter if
 the shorter result represents the original number exactly. If no
 result of at most \fBtcl_precision\fR digits is an exact representation
--- a/Show More
+++ b/Show More