Re: H::T filters

> --Use of $_ should be avoided in modules.  It's easy to screw up the 
> localization and clobber existing values of $_ in code higher up.  This can 
> be solved either by using a regular variable, or by explicitly localizing it.

done

> --When you create the string used to match tags, it will be faster to wrap 
> it in a qr// instead of a simple string.  This will cause perl to compile 
> the regex once instead of repeatedly compiling it at runtime whenever the 
> string is interpolating into the s///.

done


In the process, I found:
- a bug or two in the TMPL_SET code
- I changed the way regex's work for case sensitivity, which should result in 
faster regex parsing.

cheers,
Mathew

Filters.pm
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