[xml] Re-using an xmlDtd

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From: Joe McAlerney (joey@silicondefense.com)
Date: Mon Dec 11 2000 - 20:38:32 EST

I originally dealt with this issue by creating an external subset via
xmlNewDtd, manually connecting the two together with the doc->extSubset,
dtd->doc, and dtd-parent pointers, then disconnected everything when I
had to free the xmlDoc. That worked fine until I needed to include the
DOCTYPE declaration tag in the XML document.

I followed some relevant conversation between Daniel and Kenneth
Pronovici titled "Generating XML including <!DOCTYPE> external
reference" and "Bug #21194" to successfully add the DOCTYPE tags to my
XML documents. Unfortunately, this makes it more difficult to re-use
the DTD, as it becomes a child of the xmlDoc itself.

I've already written an xmlAddIntSubset() function to connect an
existing Internal Subset to an existing xmlDoc, and I'm about to start
writing a function to cleanly remove the Internal Subset. Before I do
this, I wanted to see if I'm re-inventing the wheel. Does anyone else
have a better way to re-use a xmlDtd so that it does not have to be
recreated every time an xmlDoc is?

Thanks for your patience.

-Joe M 

-- 
+--                            --+
| Joe McAlerney, Silicon Defense |
| http://www.silicondefense.com/ |
+--                            --+
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