149385 - ID selectors should not be allowed to begin with digits

Status: VERIFIED DUPLICATE of bug 18936

(Core :: CSS Parsing and Computation, defect)

Description

[Madhur Bhatia]

According to http://www.w3.org/TR/REC-CSS2/syndata.html#value-def-identifier

"#  In CSS2, identifiers  (including element names, classes, and IDs in 
selectors) can contain only the characters [A-Za-z0-9] and ISO 10646 characters 
161 and higher, plus the hyphen (-); they cannot start with a hyphen or a digit"

Go to the above mentioned url. You will notice that the ID selector starting 
with a digit is getting recognized as a valid identifier. 

This bug is related to bug 12385.  I was thinking of writing my comments in that 
bug versus opening a new one. bug 12385 mentions that the CLASS SELECTOR can not 
start with a hyphen, whereas, i am highlighting the bug also exists in the ID 
SELECTOR. I suppose this bug can not be classified as a dup of bug 12385, but, 
as a dependent of bug 12385.

I see that Opera 6.01 has the right implementation of the CSS2 identifiers. IE 
5.5 behaves in the same way as mozilla1.0 does.

Comment 1

[Bradley Baetz (:bbaetz)]

Dupe of bug 18936, which labels this as an error in the standard.

*** This bug has been marked as a duplicate of 18936 ***

Comment 2

[Hixie (not reading bugmail)]

VERIFIED DUPLICATE