fontforge/fontforge — pull request #1799 by frank-trampe (2014-10-14 22:42:57+00:00)
Title: Stop trying to access standard layer items when in multi-layer mode.

Trying to edit a glyph from Source Sans Pro (imported in multi-layer mode) consistently caused a crash from dereferencing the return value of GWidgetGetControl called with a non-existent window/control combination. Apparently, in all of our testing, nobody actually tried to edit Source Sans Pro!