elm-lang/core — pull request #70 by laszlopandy (2014-12-29 08:30:56+00:00)
Title: toString: don’t escape single quotes in strings and double quotes in char.

I propose not escaping the `'` in strings and `"` in chars because otherwise you get outputs like this:
`(Err "could not convert string \'y\' to an Int")`