1# Language aware diff headers 2# https://tekin.co.uk/2020/10/better-git-diff-output-for-ruby-python-elixir-and-more 3# https://gist.github.com/tekin/12500956bd56784728e490d8cef9cb81 4# https://github.com/git/git/blob/master/userdiff.c 5*.c diff=cpp 6*.py diff=python 7