Re: Underscore problem

Seph Mohamed Soliman:
>
> However, I was somewhat sad to find out that the common underscore ("_")
> was non-valid in classnames in CSS.

It wasn't, but some browsers supported it, some didn't. Then it was added
through CSS2 Errata
<http://www.w3.org/Style/css2-updates/REC-CSS2-19980512-errata.html> mid
2001.

There are still browsers around that don't support underscores in
identifiers, thus it's probably not a good idea to use it.

Christoph Päper