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Re: problem with t040103-ident-03-c.htm?

From: fantasai <fantasai.lists@inkedblade.net>
Date: Wed, 22 Aug 2007 09:49:16 -0400
Message-ID: <46CC3EDC.20207@inkedblade.net>
To: Stewart Brodie <stewart.brodie@antplc.com>
CC: public-css-testsuite@w3.org

Stewart Brodie wrote:
> References: <46B27134.9090406@inkedblade.net>
> CVS revision 1.4 of test case t040103-ident-03-c.xht
> I've been looking at this test that was recently much enhanced to test valid
> and invalid class and ID selectors more thoroughly and fix issues with the
> earlier revisions, but I believe that there is still a problem with test
> case 4.  This is the case of the selector that is:
> #-1ident, .four { color:red }
> The lexical scanners in the CSS2.1 (19 July 2007) and CSS3's Selectors (15
> December 2005) specifications both agree that this selector is valid.  This
> is because both of them define names the same way:
> name   {nmchar}+
> nmchar [_a-z0-9-]|{nonascii}|{escape}
> %%
> "#"{name}   { return HASH;}
> Is this an incorrect test case or are the specifications themselves not
> describing the intended scanner?  I'm not particularly bothered either way,
> but the inconsistency needs to be resolved.

In a lot of cases the grammar is more permissive than the prose. In these cases
the prose takes precedence.

According to
an ID selector is an identifier, and these are not allowed to start with a hyphen
plus a number. I just checked with Bert, and he agrees the test is correct.

Received on Wednesday, 22 August 2007 13:49:42 UTC

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