Re: fulltext parser strange behave

Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> I've just been looking at the state machine in wparser_def.c. I think
> the processing for entities is also a few bob short in the pound. It
> recognises decimal numeric character references, but nor hexadecimal
> numeric character references. That's fairly silly since the HTML spec
> specifically says the latter are "particularly useful". The rules for
> named entities are also deficient w.r.t. digits, just like the case of
> tags that Tom noticed. This isn't academic: HTML features a number of
> named entities with digits in the name (sup2, frac14 for example).

> In XML at least, legal names are defined by the following rules from the
> spec:
> ...
> [A-Za-z:_][A-Za-z0-9:_.-]*

> I suggest we use that or something very close to it as the rule for
> names in these patterns.

No objections here. Who wants to patch wparser_def?

regards, tom lane