many small changes to templater. get string code to parse escapes. uses eval now, should parse strings itself soon. let caller check if fragment is defined using "in". make templatepath take optional file name.

syntax: glob

*.elc
*.orig
*.rej
*~
*.so
*.pyc
*.swp
*.prof
tests/*.err
build
dist
doc/*.[0-9]
doc/*.[0-9].{x,ht}ml
MANIFEST
patches
mercurial/__version__.py

syntax: regexp
^\.pc/