mkvsynth/mkvsynth — pull request #2 by lukechampine (2013-10-12 21:31:21+00:00)
Title: fix op-equals operations and improve argument handling for user defined functions

A stupid error was causing op-equals operations (+=, *=, etc.) to fail. Argument checking for user defined functions was also being performed in a silly fashion that lead to inaccurate error messages.