23 lines
1.1 KiB
Plaintext
23 lines
1.1 KiB
Plaintext
data/ap203/README
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The EXPRESS schema in this directory is based on ISO 10303-203, an
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international standard which is copyrighted by ISO. ISO has granted
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NIST permission to publicly distribute the EXPRESS source from ISO
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standards. The EXPRESS schema provided in this software release has
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been modified to facilitate its use with this software and is provided
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as an example schema only. This disclaimer must be included in any
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redistribution of the EXPRESS schema. This disclaimer must also be
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included in the file containing the EXPRESS schema.
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The EXPRESS source for the modified AP 203 schema contained in the
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file 203wseds.exp has modifications to it from the standard based on
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Standard Enhancement and Discrepancy System (SEDS) reports. SEDS
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reports are an informal way for ISO TC 184/SC4 to document errors,
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ambiguities, and enhancements to the standard; and to recommend
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corrections for formal adoption via a technical corrigendum,
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amendment, or revision.
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The data files in this directory were developed by ITI as part of the
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STEP conformance testing project. The files contain data that conform
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to the modified AP203 schema.
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