Lokaltog/powerline — pull request #642 by aschrab (2013-08-20 13:42:32+00:00)
Title: ignore trailing whitespace errors in .rst files

Use a .gitattributes file to tell git to not highlight trailing
whitespace as an error in .rst files when showing diffs. A trailing
space is used on many lines in those files to indicate that the
paragraph continues onto the next line.