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RE: Best practices - correction

Subject: RE: Best practices - correction
From: "CROFT, MICHAEL" <MCROFT@xxxxxxxxx>
Date: Tue, 18 Jun 2002 14:40:30 -0400
best practices in corrections programs
Sorry, 
The not(normalize-space(myelement) does work...

When I refresh the browser(IE 6) after making changes to the underlying xml,
it does not show the changes.  When I close and reopen the xml doc with the
browser, it shows the changes?



-----Original Message-----
From: Michael Kay [mailto:michael.h.kay@xxxxxxxxxxxx]
Sent: Tuesday, June 18, 2002 1:29 PM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: RE:  Best practices


> From a design standpoint, what is the "defacto" way to test 
> for an empty element?  

You have to be very careful what you mean by an "empty element". Which
of the following are empty?

<p/>
<p>  </p>
<p><!-- this is empty --></p>
<p><i></i></p>

p='' checks that the element exists and has an empty string-value: it
will match 1,3,4 in the above list, and 2 if xsl:strip-space is in use.
not(p/node()) checks that the element exists and has no children: it
will match item 1 in the above list.
not(normalize-space(p)) will match all the above.

Michael Kay
Software AG
home: Michael.H.Kay@xxxxxxxxxxxx
work: Michael.Kay@xxxxxxxxxxxxxx 


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