break out of loop when cancelled


git-svn-id: svn://svn.code.sf.net/p/fonttools/code/trunk@350 4cde692c-a291-49d1-8350-778aa11640f8
1 file changed
tree: bd702a83c975c12e6330cef49dc703329832cdb7
  1. Doc/
  2. Lib/
  3. Mac/
  4. MetaTools/
  5. Src/
  6. Tools/
  7. Windows/
  8. LICENSE.txt
  9. README.txt
  10. setup.py