Tobias Pape uploaded a new version of TrueType to project The Trunk:
http://source.squeak.org/trunk/TrueType-topa.42.mcz

==================== Summary ====================

Name: TrueType-topa.42
Author: topa
Time: 1 June 2016, 12:11:05.54556 pm
UUID: d19fb495-4371-456b-8551-ab05a789f105
Ancestors: TrueType-topa.41

All fonts should know whether they have a glyph.

For the way TT fonts currently work, this information is tricky to get, tho.

=============== Diff against TrueType-topa.41 ===============

Item was added:
+ ----- Method: TTCFont>>basicHasGlyphOf: (in category 'private') -----
+ basicHasGlyphOf: aCharacter
+ 	"Answer whether this font includes a glyph for the given character"
+ 	^ aCharacter charCode <= self maxAscii
+ 		and:[
+ 			aCharacter = Character null
+ 				ifTrue: [(self formOf: aCharacter) notNil]
+ 				ifFalse: [
+ 					"this should also be
+ 						 (self formOf: aCharacter) notNil
+ 					but it does not work, the fallback glyph -- if present -- is always found instead.
+ 					So we fake. if aCharacter is the same form as Character null aka 0, we assume absence."
+ 					(self characterFormAt: aCharacter) bits ~= self fallbackForm bits]]!

Item was changed:
  ----- Method: TTCFont>>hasGlyphOf: (in category 'private') -----
  hasGlyphOf: aCharacter
+ 	"Answer whether this font includes a glyph for the given character (or a fallback)"
+ 	self flag: #topa. "formOf: never actually returns nil for ttcfonts..."
- 	"Answer whether this font includes a glyph for the given character"
  	^ aCharacter charCode <= self maxAscii
  		and:[(self formOf: aCharacter) notNil]!

Item was added:
+ ----- Method: TTCFontSet>>basicHasGlyphOf: (in category 'private') -----
+ basicHasGlyphOf: aCharacter
+ 	"see TTCFont>>hasGlyphOf:"
+ 	^ fontArray first basicHasGlyphOf: aCharacter!

Item was added:
+ ----- Method: TTCFontSet>>hasGlyphOf: (in category 'private') -----
+ hasGlyphOf: aCharacter
+ 	"see TTCFont>>hasGlyphOf:"
+ 	^ fontArray first hasGlyphOf: aCharacter!