mdeering/attribute_normalizer — pull request #56 by samleb (2014-03-13 12:59:17+00:00)
Title: Introduce :control_chars to remove all control characters but spaces

Here is a normalizer that I've been using a lot in day-to-day applications.
I thought it might come useful to other people too...
Specs are included, I'll take time to write some documentation if actually needed.