[Nasal-cvs] regex.nas xml.nas

[Andy Ross]

Update of /home/nasal-cvs/nasal/lib
In directory purr:/tmp/cvs-serv13887

Modified Files:
	regex.nas xml.nas 
Log Message:
Jonatan got me hooked on the XML code again.  Check in a bunch of code
refactoring, doc enhancement, etc...  Also a few fixes to the regex
package.