[Bug 3260] Use of "-" in regular expressions

http://www.w3.org/Bugs/Public/show_bug.cgi?id=3260





------- Comment #1 from davep@iit.edu  2006-05-11 02:07 -------
(In reply to comment #0)

> (General comment) in regular expressions defining permitted values for data
> types, the character "-" is sometimes preceded by "\" and sometimes not. The
> schema regex syntax, I believe, does not permit the "\".

There was a time when there was a question of how to reconcile the use of '-'
as
a metacharacter in an seRange, and during that time some REs were written with
escaped '-' characters.  They need to be cleaned up, but they are essentially
typos
so we did not hold up Last Call to fix them.