haskell/haskell-mode — pull request #138 by mboes (2013-05-04 19:54:33+00:00)
Title: Make it customizable whether <backspace> deletes indentation too.

Adds a customization option to haskell-indentation-mode, to allow for
to behave like haskell-indent-mode, as well as to allow
to only remove one character, rather than whitespace from
point.