-extclass <class-name> loads an extension from an explicitly named class.
-extclass <class-name> loads an extension from an explicitly named class.

blue-systems-group/project.maybe.polyglot,xcv58/polyglot,blue-systems-group/project.maybe.polyglot,liujed/polyglot-eclipse,blue-systems-group/project.maybe.polyglot,liujed/polyglot-eclipse,xcv58/polyglot,liujed/polyglot-eclipse,xcv58/polyglot,xcv58/polyglot,blue-systems-group/project.maybe.polyglot,liujed/polyglot-eclipse