Tumult Co. today announced the release of version 1.6 of its lightweight HTML and PHP editor for Mac OS X, HyperEdit. Tumult HyperEdit uses a split view with text editor and a preview pane to display the web page live as a user types. Version 1.6 improves HyperEdit with several stability fixes, support for Safari 3.1's Web Inspector, the ability to display invisible characters, auto-updates, and better support for Mac OS X 10.5 Leopard