generated an icon file from icoMoon, the fontBook opened it fine but iconFileParser failed to parse it. Took a while to find the problem because it failed silently....
Looks like the culprit is in IconsFileParser.parseFile() where it tried to get CGFont from CTFont with CGFontCreateWithFontName(fontName), which returns nil so it returns without any warning...
generated an icon file from icoMoon, the fontBook opened it fine but iconFileParser failed to parse it. Took a while to find the problem because it failed silently....
Looks like the culprit is in IconsFileParser.parseFile() where it tried to get CGFont from CTFont with
CGFontCreateWithFontName(fontName), which returns nil so it returns without any warning...