2087 2005-09-09 03:27:50 +0000 R-097: Problem with canonical rep'n of float/double 2009-04-21 19:24:58 +0000 1 1 1 Unclassified XML Schema Datatypes: XSD Part 2 1.0 only All All CLOSED FIXED P2 normal --- 1 sandygao cmsmcq www-xml-schema-comments oldest_to_newest 5982 0 sandygao 2005-09-09 03:27:50 +0000 The existing text for the canonical representation for float/double reads: Specifically, the exponent must be indicated by "E". Leading zeroes and the preceding optional "+" sign are prohibited in the exponent. For the mantissa, the preceding optional "+" sign is prohibited and the decimal point is required. For the exponent, the preceding optional "+" sign is prohibited. Leading and trailing zeroes are prohibited subject to the following: number representations must be normalized such that there is a single digit to the left of the decimal point and at least a single digit to the right of the decimal point. The problem is that the single digit to the left of the decimal point is allowed to be zero. This allows 1.0E1, 0.1E02 and 0.01E3 etc. as legal canonical representations for the same number. See the following for a suggested resolution: http://lists.w3.org/Archives/Public/www-xml-schema-comments/2001OctDec/0214.html 5983 1 sandygao 2005-09-09 03:30:06 +0000 Discussed at the Feb. 14 concall: http://lists.w3.org/Archives/Member/w3c-xml-schema-ig/2002Feb/0087.html The WG agreed that this is an error. Datatypes editors to draft erratum similiar to what was proposed in the email. Status 04/24: Erratum text has been proposed as part of the text for issue R-22 (see bug 2000 and E2-40)