PangoEngineLang Rendering-system independent script engines The language engines are rendering-system independent engines that determine line, word, and character breaks for character strings. These engines are used in pango_break(). Part of Pango's engine API, and may change between module version changes @script_break: A string constant defining the engine type for language engines. These engines derive from #PangoEngineLang. @name: @prefix: @class_init: @instance_init: