Full stack for glyphRenderOn problem

StrikeFont(Object)>>doesNotUnderstand: #glyphRendererOn:
LogicalFont>>glyphRendererOn:
AthensCairoCanvas>>setFont:
AthensViewMorph>>DoIt in Block: [:t2 | ...
AthensCairoSurface>>drawDuring: in Block: [currentCanvas := context....
BlockClosure>>ensure:
AthensCairoSurface>>drawDuring:
AthensViewMorph>>DoIt
Compiler>>evaluate:in:to:notifying:ifFail:logged:
AthensTutorial>>performDoit
AthensTutorial>>initializePresenter in Block: [self performDoit]
BlockClosure>>cull:
BlockClosure>>cull:cull:
BlockClosure>>cull:cull:cull:
BlockClosure>>cull:cull:cull:cull:
NewValueHolder>>whenChangedDo: in Block: [:announcement :ann | aBlock...
BlockClosure>>cull:cull:
WeakAnnouncementSubscription>>deliver: in Block: [action cull: anAnnouncement cull: announcer]
BlockClosure>>on:do:
BlockClosure>>on:fork: in Block: [Processor terminateActive]