Donn -
The exception you posted is from using an old version of pyparsing.
You can get the latest from SourceForge - if you download the Windows
binary install, please get the docs package too. It has a full doc
directory (generated with epydoc), plus example scripts for a variety
of applications. There is also an e-book available from O'Reilly that
just came out in early October.
To add an optional lead-in of one or more blanks,just change animation
from:
animation = OneOrMore((frame + Optional(
(tween + FollowedBy(frame)) |
OneOrMore(copy | blank) ) ) )
to:
animation = Optional(OneOrMore(blank)) + \
OneOrMore((frame + Optional(
(tween + FollowedBy(frame)) |
OneOrMore(copy | blank) ) ) )
I modified your test, and there were no problems parsing strings with
and without the leading '_'s.
-- Paul
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