does urlregexpmapping work correctly?

I have been doing more tests on the -urlregexpmapping arg to the xmlc command. 
It seems that the xmlc command will support two -urlregexpmapping args but not 
more. To test this, I created an index.htm that has a three images in it with 
the urls ../images/im1.gif, ../images/im2.gif, and  ../images/im3.gif. I use 
three -urlregexpmapping args to replace each ../images/im<num>.gif to be 
images/im<num>.jpg. Only two of the mappings take place. The third is ignored.

I have two questions:
Has anyone experienced this problem before and how did you resolve it?
Should this be listed as a bug since xmlc's documentation says that many 
-urlregexpmapping args can be used?


Also, for some reason the -urlregexpmapping does not support the lookahead 
feature. This feature is supported by GNU but only with the expression syntax 
set to Perl 5. The default xmlc is using is another syntax that does not 
support lookahead. 

One last note; the most recent version of Java's regex supports both lookahead 
and lookbehind. This could really become handy in urlmappings.


- Kyle Aaron




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