Reject composite glyphs without bbox
Reject composite glyphs without bbox

http://dev.w3.org/webfonts/WOFF2/spec/#conform-mustRejectNoCompositeBBox

anthrotype/ots,anthrotype/ots,khaledhosny/ots,irori/ots,davelab6/ots,irori/ots,davelab6/ots