diff: only highlight of difference between del and add line for one-liners Comparing a single del line with the first of several add lines would often be quite arbitrary and misleading. Note: the non-gitdiff code paths in diffs.py are incomplete and unused and unusable.

[tox]
minversion = 1.8
envlist = py{26,27}-pytest

[testenv]
setenv =
    PYTHONHASHSEED = 0
deps =
    -r{toxinidir}/dev_requirements.txt
    py26-pytest: unittest2
    python-ldap
    python-pam
commands =
    pytest: py.test {posargs}