mozilla/butter — pull request #1182 by cadecairos (2012-10-17 16:25:32+00:00)
Title: [#2547] Remove escape key close function in the first-run dialog

Lighthouse: https://webmademovies.lighthouseapp.com/projects/65733/tickets/2547-crash-httpdevbutyrorgsrcbutterjs9872-typeerror-_modal-is-null