Advanced JavaScript and JSON syntax languages for use with the Actipro WPF SyntaxEditor control. Features of this optional Web Languages Add-on (sold separately from SyntaxEditor) include background parsing with AST building, syntax error reporting, automatic outlining, smart indent, text formatting and more. Documentation is available on the Actipro web site (https://www.actiprosoftware.com/docs/controls/wpf/index?v=25.1), and samples can be downloaded from the Actipro WPF Controls GitHub repository (https://github.com/Actipro/WPF-Controls). NOTE: This is a commercial software product and requires proper paid licensing for legal usage. See Actipro's web site (https://www.actiprosoftware.com/purchase) for links to purchase developer licenses, or view the Sales FAQ for more information about evaluations and licensing.