http://dev.zope.org/Zope3/BetterXMLSupportForPageTemplates
One comment on the section "Questioning HTML mode" in this document:
HTML mode is still useful for user agents that use a SGML parser instead
of a XML parser and would break if they had to deal with real XML code.
I know, such user agents are very rare, Netscape 4 comes into my mind.
(If you want to make Netscape 4 burn just put a <br/> somewhere in the
source).
Why does HTML mode help? It converts <foo/> to <foo />.
This behaviour is described in appendix C of the XHTML specs.
"This appendix summarizes design guidelines for authors who wish
their XHTML documents to render on existing HTML user agents."
<http://www.w3.org/TR/xhtml1/#guidelines>
MSIE is known to handle XHTML pretty well althought it doesn't use a XML
parser. IE can deal with <br/> but it can't deal with <script/>. You
have to write <script></script> for IE.
Here a quote from an artikle at Wikipedia:
"Rather, XHTML 1.0 was intentionally designed to be usable by
HTML 4.0 user agents, like Internet Explorer, if certain document
authoring guidelines for backward compatibility were followed."
<http://en.wikipedia.org/wiki/Criticisms_of_Internet_Explorer#XHTML>
From this information I come to the conclusion that it would be best to
simply follow the compatibility guidlines in appendix C. HTML mode helps
me to do this by inserting a space before the closing slash.
Just my two cents.
Tonico
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