Just a short observation which might help to track this bug down: Once the problem occurred in a specific line in an opened file the same line gets destroyed reproducably again every time I save this file even after having repaired the violated line. After closing PSPad and reopen the same file again the problem is gone until it returns after a while randomly during work at the same or another place.
-- <https://forum.pspad.com/read.php?4,75123,75126> PSPad freeware editor https://www.pspad.com
