haski at sezampro.yu
Thu Jan 17 04:41:01 PST 2002
On Tue, Jan 15, 2002 at 05:08:08AM -0500, Scott Carradice wrote:
> I am continuing to write a profile and I am wondering a few more things:
> 1. What is the difference between <!ENTITY % ... SYSTEM ... >
> and <!ENTITY .... .... >?
<!ENTITY % name "value"> is a parameter entity. It's used inside DTD to
replace every occurrence of "&name;" with "value".
<!ENTITY name "value"> is a general entity (or just entity). It's used inside
document content in a same way as a parameter entity.
With "SYSTEM", you can include the content of the file that follows.
> 2. Is it possible to use a variable in the <!DOCTYPE ... > section?
Yes, that's a parameter entity above.
> 3. Does everything you want to run have to be run as a variable?
> i.e. why is the only way to include another xml file seem
> to be to declare it as a variabel then again execute it?
If you want to include another xml file, I think this is the only way, yes.
Of course, you're not required to use multiple files and can put all in one
> 4. Is there a way to run a script and get the result? Then do a
> conditional check to set or unset something?
XML is not a script in general. But I think there are some conditional stuff
in it. Someone who knows it better could perhaps say more.
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