Patch(es) for supporting :lang pseudo-class in khtml

[Thiago Macieira]

Okay, so I wanted this on my site and Konqueror didn't support it. I got 
a bit of free time and I decided to implement it on myself. After 
fighting bison a bit, I got this to work:

- first of all, the : character is allowed in HTML attributes, so that 
we get xml:lang recognised
- then, the parser and tokenizer need to be updated in order to get the 
proper value loaded. The current parser can read :not() fine, but it 
expects a simple-selector inside the parentheses. :lang() has a string 
in there, unquoted: IDENT seemed to be the best.
- in checkOneSelector, I've added the processing. It's a copy of the 
hyphen-match code (the CSS2 specs say :lang is processed like 
hyphen-match).

Missing: the FIXME in checkOneSelector. HTML <= 4 should use "lang" 
only; XHTML 1.0 should use "xml:lang" and, if not found, "lang"; XHTML 
1.1 should use "xml:lang" only. I opted to not distinguish and allow 
xml:lang to override lang -- conforming documents won't have a problem.

I'm attaching the non-generated files to this e-mail. I can mail the 
generated ones as well (htmlattrs.[ch], tokenizer.cpp, parser.cpp and 
parser.h), but the patch is 144k in size.
-- 
  Thiago Macieira  -  Registered Linux user #65028
   thiago (AT) macieira (DOT) info
    ICQ UIN: 1967141   PGP/GPG: 0x6EF45358; fingerprint:
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