On Mon, Nov 19, 2012 at 3:15 PM, Dimitre Novatchev
<dnovatchev(_at_)gmail(_dot_)com> wrote:
It's a case where even in retrospect, it's hard to see how we could have
avoided this problem in the language design. Perhaps two separate
attributes, regex and regex-avt. But that feels very heavy-handed. Most
languages have a few quirks like this where people just have to learn the
hard way.
It would be helpful if an XSLT processor issues a warning message when
a single `{` and `}` are used in a regex -- this would immediately
explain to the user the issue and the correction to be made.
Recall this is only a problem where the regex is passed as an
attribute. Single curly brace is ok in replace (and I presume matches)
although that helps to make it more confusing.
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