Get notifications on updates for this project. Get the SourceForge newsletter. Get newsletters and notices that include site news, special offers and exclusive discounts about IT products & services. Sep 05, · Drag/drop support for easy manipulation of the tree, even across different instances of XML Notepad and from the file system. Infinite undo/redo for all edit operations. In place popup multi-line editing of large text node values. Configurable fonts and colors via the options dialog. Full find/replace dialog with support for regex and XPath. HTML Tidy is a tool for reformatting and validating HTML text, including XHTML. It is a widely used tool, found on SourceForge here, and is included in Notepad++ as part of the TextFX plug-in. As installed, HTML Tidy will not do much - it requires a configuration file to activate it.