elixir-lang/elixir — pull request #2841 by jw2013 (2014-10-24 07:44:45+00:00)
Title: fix escaped ')' in verbatim sigil

This fix #2840

Now we have:

```
iex(1)> ~S(Interpolation?: #{3+0.14} ' '\))
"Interpolation?: \#{3+0.14} ' ')"
iex(2)> ~S(foo\))
"foo)"
```