tree 34f956ca124414d187c8e69cbd40c1b4cc83873e
parent 037b79bc683d6aa75dd38d5d963426ebdb10bbe7
author Joachim Bingel <joa.bingel@gmail.com> 1422460435 +0000
committer Joachim Bingel <joa.bingel@gmail.com> 1422460435 +0000

- unary operators
- free reference string (not just counting numbers)