Base Syntax highlighter resource for the [ScriptEditor]. Base syntax highlighter resource all editor syntax highlighters extend from, it is used in the [ScriptEditor]. Add a syntax highlighter to an individual script by calling [method ScriptEditorBase.add_syntax_highlighter]. To apply to all scripts on open, call [method ScriptEditor.register_syntax_highlighter] Virtual method which can be overridden to return the syntax highlighter name. Virtual method which can be overridden to return the supported language names.