humanmade/Custom-Meta-Boxes — pull request #80 by mattheu (2013-09-11 17:59:12+00:00)
Title: Sanitize title

The field ID is a clone of the title
But used to create the meta box
This leads to invalid ID - it has spaces and stuff in it so can't use it in JS/CC.
Fix - sanitize_title replaces spaces with dashes
I don't see any issues doing this.