133 lines
3.0 KiB
Plaintext
133 lines
3.0 KiB
Plaintext
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8. COMPLIANCE AND LABELING
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8. COMPLIANCE AND LABELING
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The FORTH Standards Team hereby specifies the requirements for
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labeling of systems and applications so that the conditions for
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program portability may be established.
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A Standard System may use the specified labeling if it complies
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with the terms of this Standard and meets the particular Word Set
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definitions.
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A Standard Program (application) may use the specified labeling
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if it utilizes the specified Standard System according to this
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Standard and executes equivalently on any such system.
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In a system or application, a standard word may not be redefined
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to perform a different function within the vocabulary FORTH.
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FORTH Standard
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A system may be labeled:
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FORTH-83 Standard
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if it includes all of the Required Word Set in either source or
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object form and complies with the text of this Standard. After
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executing "FORTH-83" the dictionary must contain all of the
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Required Word Set in the vocabulary FORTH, as specified in this
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Standard.
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Standard Sub-set
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A system may be labeled:
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FORTH-83 Standard Sub-set
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if it includes a portion of the Required Word Set and complies
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with the remaining text of this Standard. However, no Required
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Word may be present with a non-standard definition.
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Standard with Extensions
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A system may be labeled:
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FORTH-83 Standard with <name> Standard Extension(s)
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if it comprises a FORTH-83 Standard System and one or more
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Standard Extension Word Set(s). For example, a designation would
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be in the form:
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16
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8. COMPLIANCE AND LABELING
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FORTH-83 Standard with Double-Number Standard Extension
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Standard Program
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A FORTH source program which executes equivalently on any
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Standard System may be labeled:
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FORTH-83 Standard Program
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See: "equivalent execution" "7. REQUIREMENTS"
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Standard Program with Environmental Dependencies
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A program which is standard in all ways except for specific
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environmentally dependent words may be labeled:
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FORTH-83 Standard Program with Environmental Dependencies
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if the following additional requirements are met:
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1) Environmental dependencies (including hardware
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dependencies) shall be factored into an isolated set of
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application word definitions.
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2) Each environmentally dependent word definition must be
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fully documented, including all dependencies in a manner at
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least as detailed as the standard words.
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17
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