Closed
Bug 288599
Opened 20 years ago
Closed 20 years ago
Firefox fails to obey CSS ID if ID is numerical
Categories
(Firefox :: General, defect)
Firefox
General
Tracking
()
VERIFIED
INVALID
People
(Reporter: simontsang, Assigned: bugzilla)
Details
User-Agent: Mozilla/5.0 (Windows; U; WinNT4.0; en-GB; rv:1.7.6) Gecko/20050321 Firefox/1.0.2
Build Identifier: Mozilla/5.0 (Windows; U; WinNT4.0; en-GB; rv:1.7.6) Gecko/20050321 Firefox/1.0.2
Firefox refuses to accept numerical css id. In the other hand, when a style is
defined with a CSS (either external or internal), element which has an numerical
id assigned to it will be ignored by Firefox.
For example,
a#001 {color: black} will be ignored whereas
a#hello1 {color: black} works properly.
Reproducible: Always
Steps to Reproduce:
1.Create an html using CSS
2.Assign numerical id to element
3.
Actual Results:
styles assigned under the numerical id are ignored.
Expected Results:
styled assigned under numerical id should not be ignored.
<html>
<head>
<style type="text/css">
a#idnum {color: #FF0000}
a#001 {color: #000000}
a#002 {color: #F0F0F0}
</style>
</head>
<body>
<p><a id="idnum" href="link.html">A link</a></p>
<p><a id="001" href="link.html">A link</a></p>
<p><a id="002" href="link.html">A link</a></p>
</body>
</html>
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Comment 1•20 years ago
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This is correct behavior.
http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
Status: UNCONFIRMED → RESOLVED
Closed: 20 years ago
Resolution: --- → INVALID
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Comment 2•20 years ago
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<quote>
In CSS 2.1, identifiers (including element names, classes, and IDs in
selectors) can contain only the characters [A-Za-z0-9] and ISO 10646 characters
U+00A1 and higher, plus the hyphen (-) and the underscore (_); they cannot start
with a digit.
</quote>
Status: RESOLVED → VERIFIED
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Description
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