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WG2-N0837-Issue-180-Supplementary-codes-Sentinel-values

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					                                                     ISO/IEC JTC1/SC32/WG2 N0837



Issue Template for WG2 Projects
Issue 180: Supplementary codes/sentinel values

Project #:             1.32.15.03.03.00
Standard #:            11179 Part 3: edition 3
WG2 doc #:             WG2 N0689 (SC32 N1168)
Submitter/Source:      Australia
Date Submitted:        20th April 2005
Severity:              Minor Editorial
Status:                Open
Date Last Updated:
Updated by:

Problem Description:
11179 does not recognise the difference between ‘sentinel values’ or ‘supplementary
codes, or ‘flavours of null’ (eg “Unknown, not stated, not applicable). These codes are
variously used in particular applications and need to have a place within the standard.
Inclusion in the value domain (as recommended in 20943:3) is not appropriate as these
values do not actually describe the data element concept.

Proposal:
Consider whether these values should be managed within a ‘datatype’ construct and/or
alternative mechanism within 11179:3.

Issues:
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References:
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Discussion/Notes:
                                 ISO/IEC JTC1/SC32/WG2 N0837

Committee Proposed Resolution:
Draft Resolution
Draft Resolution Date
Draft Resolution Source
Status of implementation
Final Resolution
Final Resolution Date
Final Resolution Source

				
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