fontforge/fontforge — pull request #1303 by mskala (2014-03-31 16:54:46+00:00)
Title: attempt at fixing the revert-to-more-glyphs bug

Cherry-picked from FontAnvil. This should fix #486 - which is a blocking issue for issues like #637 and #1030. Some testing that I can't easily do myself may be appropriate before merge.