Bug in lyntin 4

Hi
there is a bug in the handling of the $ sign (cvs checkout some minutes ago ;)

Description:
When entering a $ sign at the end of a line, an exceptions is thrown. Obviously
the checks if it is a variable or just a plain $ don't take into consideration
that $ can be followed by an empty string.

Traceback:
help $
WARNING: Unhandled error encountered (1 out of 20).
engine: unhandled error in engine.
Traceback (most recent call last):
  File "/usr/local/lib/python2.3/site-packages/lyntin/engine.py", line 667, in runengine
    e.execute()
  File "/usr/local/lib/python2.3/site-packages/lyntin/event.py", line 134, in execute
    exported.lyntin_command(self._input, internal=self._internal, session=self._ses)
  File "/usr/local/lib/python2.3/site-packages/lyntin/exported.py", line 89, in lyntin_command
    get_engine().handleUserData(text, internal)
  File "/usr/local/lib/python2.3/site-packages/lyntin/engine.py", line 458, in handleUserData
    session.handleUserData(mem, internal)
  File "/usr/local/lib/python2.3/site-packages/lyntin/session.py", line 353, in handleUserData
    mappingfunc=exported.filter_mapper)
  File "/usr/local/lib/python2.3/site-packages/lyntin/exported.py", line 666, in hook_spam
    output = mem(argmap)
  File "/usr/local/lib/python2.3/site-packages/lyntin/modules/variable.py", line 388, in userfilter
    varexpansion = self.expand_command(ses, text)
  File "/usr/local/lib/python2.3/site-packages/lyntin/modules/variable.py", line 307, in expand_command
    text = self._global.expand_command(text)
  File "/usr/local/lib/python2.3/site-packages/lyntin/modules/variable.py", line 127, in expand_command
    return utils.expand_vars(text, self._variables)
  File "/usr/local/lib/python2.3/site-packages/lyntin/utils.py", line 903, in expand_vars
    if text[j] == "{":
IndexError: string index out of range

regards

Stefan

P.S. I'm not subscribed to the list, so please CC: me


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