Go to the Settings | Highlighter Settings menu. In the left pane, click on HTML; then in the right pane, click on the Specification tab. Add your file extension (for example, *.abc) to the list of File Masks.
After doing this, opening files with this extension should be displayed with HTML coloring and F10 should work to open the internal browser window. -- jeff -- <http://forum.pspad.com/read.php?2,40028,40031> PSPad freeware editor http://www.pspad.com
