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Posted by Toby A Inkster on 11/19/07 08:53
cwdjrxyz wrote:
> For recent browsers, I find the named entity for the degree symbol
> works on IE6, Firefox, SeaMonkey, Opera, and Safari for Windows
> browers. It also works on the W3C Amaya browser and a simulator for
> the old MSNTV box.
It's worth noting that for XHTML, decimal character references are
normally preferable to named entities. This is because non-validating XML
parsers (including most web browsers) do not process the file's DTD, which
is where entities (except for the five predefined XML entities: & <
> " ') are defined.
In practice, most browsers do have workarounds which apply their
knowledge of HTML entities to XHTML, but it's a bad idea to rely on
browser workarounds.
For an example of a browser which *doesn't* do this workaround, take a
look at an XHTML file (sent with an XML MIME type) in Opera 6.0. Named
entities such as ° are not understood. But if you send the file with
an HTML MIME type, the entities magically come to life. This is not a bug:
in fact, it's being too strict for its own good! This behaviour was
changed in Opera 7.0.
--
Toby A Inkster BSc (Hons) ARCS
[Geek of HTML/SQL/Perl/PHP/Python/Apache/Linux]
[OS: Linux 2.6.12-12mdksmp, up 12 days, 15:42.]
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