CFBundleDocumentTypes CFBundleTypeExtensions * CFBundleTypeName Robofab Glyph Set CFBundleTypeRole Viewer LSTypeIsPackage NSDocumentClass GlyphSetDocument CFBundleExecutable GlyphViewer CFBundleIdentifier GlyphViewer CFBundleName GlyphViewer CFBundlePackageType APPL CFBundleSignature ???? NSMainNibFile MainMenu NSPrincipalClass NSApplication