nathanaelkane/vim-indent-guides — pull request #62 by em- (2013-06-25 11:08:03+00:00)
Title: Do not override IndentGuides[Odd|Even] if already defined

I've put IndentGuidesOdd and IndentGuidesEven highlighting rules in my theme, but vim-indent-guides kept overriding them. This seems to work for me.