This function is already there. Use right mouse on tab you want to compare with selected tab and use function Text Diff with active tab
-- <http://forum.pspad.com/read.php?2,61738,61742> PSPad freeware editor http://www.pspad.com
- Diff between two unsaved documents [61738] jojo
- Re: Diff between two unsaved documents [61742] Jan Fiala
- Re: Diff between two unsaved documents [61779] jojo
