[Zope] - Re: [XML-SIG] RE: [Zope] - XML-style DTML code

[Fred L. Drake]

Paul Everitt writes:
 >  <font size="<!--#var font_size-->">
 >
 >which is legal, would become:

  This is legal:  The "<!--#var font_size-->" is the CDATA value of
the size attribute, not a comment.

 >  <font size="<?ztml #var arg ?>">
 >
 >which *not* valid XML...is it?  That is, can you have markup inside

  The "<?ztml #var arg ?>" is a perfectly valid string value of the
size attribute, just as before.

 > 	I don't believe so, but have CC'ed this to the XML-SIG where
 > the real experts hang out.  PIs have to be outside other markup; I
 > suspect the XML way of handling your second case would be to define an
 > entity:
 > 
 >   <font size="&arg;">

  In neither SGML nor XML can markup be nested like this.  The use of
entities is the proper way to do this in either case.  Perhaps a
processing tool needs to be available which can perform "entity
expansion" for specified entity names only?


  -Fred

--
Fred L. Drake, Jr.	     <fdrake@acm.org>
Corporation for National Research Initiatives
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