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Bug 2856 - RQ-31 Provide decimal type that retains trailing zeroes (trailing-zeroes)
Summary: RQ-31 Provide decimal type that retains trailing zeroes (trailing-zeroes)
Status: RESOLVED FIXED
Alias: None
Product: XML Schema
Classification: Unclassified
Component: Datatypes: XSD Part 2 (show other bugs)
Version: 1.1 only
Hardware: Other All
: P2 normal
Target Milestone: ---
Assignee: C. M. Sperberg-McQueen
QA Contact: XML Schema comments list
URL:
Whiteboard:
Keywords: resolved
Depends on:
Blocks:
 
Reported: 2006-02-11 01:42 UTC by C. M. Sperberg-McQueen
Modified: 2006-02-11 02:30 UTC (History)
0 users

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Description C. M. Sperberg-McQueen 2006-02-11 01:42:49 UTC
This issue was originally reported by Mike Cowlishaw.

Provide a datatype which retains trailing zeroes in the lexical
representation of decimal numbers.  More generally, provide a
*precision decimal* type, in which each value is associated not only
with a magnitude but also with a precision.

See
http://www.w3.org/2000/12/xmlschema-crcomments.html#canonical-decimals:
CR-42.

Input from Straw Poll O-4

Interacts with RQ-28, RQ-30 (the same proposal discharges all).

Changed to desideratum on telcon 2002-11-21.  The rationale was that
we already have a well developed proposal for this.

This item was discussed in the meeting of 2004-03-02
(http://www.w3.org/XML/Group/2004/03/xml-schema-ftf-minutes.html#rq-031)

This item was discussed in the meeting of 2004-04-01
(http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2004Apr/0003.html).
We reached phase-1 agreement on canonical forms and keeping a single
NaN.

This item was discussed in the meeting of 2004-05-12
(http://www.w3.org/XML/Group/2004/05/xml-schema-ftf-minutes.html).  A
proposal to reclassify it as a non-goal was discussed briefly, and
postponed until late June.

Proposal:

Dave Peterson and Mike Cowlishaw (member-only link)
(http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2002Oct/0051.html)

Latest from Dave Peterson (member-only link)
(http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2002Dec/att-0045/01-precisionDecimal.html)

This requirement was discharged by the inclusion of the precisionDecimal
datatype in XML Schema 1.1.

(See also bug 1912, which relates to one particular aspect of this
requirement.)