> If, as I assume, the answer is that only the double hyphen case
> is a concern, then the grammar needs to be changed.
>
> Comment ::= '<!--' (Char* - (Char* '--' Char*)) '-->'
I imagine that there would be look-ahead problems: a parser would find
'--', then see that '-' is the following character, and then report an
error. I don't think that anything in the XML 1.0 REC currently
requires more than one character look-ahead.
As a simple work-around, I'd recommend always adding a space to the
beginning and end of your comment string before surrounding it by the
delimiters, so you'd have
<!-- This is a comment - -->
rather than
<!--This is a comment--->
All the best,
David
--
David Megginson david@megginson.com
http://www.megginson.com/