dag/vim2hs — pull request #58 by danr (2013-08-18 16:46:26+00:00)
Title: Make a highlightning group for expression keywords

I found it desirable to highlight `let`, `in`, `do` in the same colour as `case`, `if`

The new group `hsExprKeyword` is linked to `hsStructure` so this should be perfectly backwards compatible.