Base class for [SyntaxHighlighter] used by the [ScriptEditor]. Base class that all [SyntaxHighlighter]s used by the [ScriptEditor] extend from. 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.