- From: Arnoud <galactus@stack.urc.tue.nl>
- Date: Wed, 26 Jun 1996 22:34:26 +0200 (MET DST)
- To: amc@cs.wustl.edu (Adam M. Costello)
- Cc: www-html@w3.org
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> Is markup allowed in attribute values? The particular case I'm thinking
No, it's not. An attribute value may only contain character
data. That is, literal text with -sometimes- entities.
> I've read the HTML 2.0 spec, even tried reading the DTD (I don't
> actually know SGML), but it doesn't seem to say one way or another.
Actually the spec does, you just have to know SGML to understand it =).
In the DTD you can see the permitted contents of a tag. For example,
this is the line for META:
<!ELEMENT META - O EMPTY -- Generic Metainformation -->
<!ATTLIST META
http-equiv NAME #IMPLIED -- HTTP response header name --
name NAME #IMPLIED -- metainformation name --
content CDATA #REQUIRED -- associated information --
>
The "content" is defined as CDATA, which means you can only put
character data in there, no entities or markup.
Galactus
who wonders why you can't have entities in the contents of a META.
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Received on Wednesday, 26 June 1996 16:34:58 UTC