Re: What effect does DOCTYPE have

> it takes a long time, and I finally get an out of 
> memory error. Does the XSLT processor try to read the DTD?

Yes but that isn't what is taking the time. You asked it to find every
substring that matches "" and replace it by "" and recurse until it
stops. This only stops when you run out of memory.

select="hide"

selects all child elements named <hide/> and since you use this in a
string context it takes the string value of the first one (or in this
case "" since there are none)  same for select="show". You probably
meant
select="'hide'"
to refer to a string not an element.

If you are using saxon 8 why don't you use XSLT2 and use the built in
replace() function which is much easier than using a template for this.

David

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