At 05:43 PM 10/1/2009, you wrote:
I think you probably want
"ancestor::ipb/figure/subfig/graphic/@boardno=$sht_num" as a
positive test -- this will be true if there is a match (there exists
a graphic/@boardno in that place whose value is $sht_num).
I inherited this stylesheet. After working on this some last night
and today, and looking at this answer, I'm not sure why there is this
convoluted code. If there is a match on the $sht_num it means I have
the value. So I think I can eliminate this test completely and just
use the value.
This path was actually used to find a file path with
unparsed_entity_uri, this was failing because it was getting an empty
string. So I was trying to catch the error before it got to this function.
Your second attempt can be true only if $sht_num is "", and never
otherwise. (It will also fail if no graphic elements are found on that path.)
So that last statement is what I was trying to test for. What is the
result of a miss match? Is there a way to test for the results of a
match that don't return a result? My two attempts were unable to trap
the result of the test and do anything with it. Is there something
else I should have tried?
---------------------------------------------------------------------------
Danny Vint
Panoramic Photography
http://www.dvint.com
voice: 502-749-6179
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