It's user wish. If no selection o selection is on the one line only, you see curent word or selection in the search dialog. If nore then one line is selected, text isn't transfered.
You can use aternate search without dialog or use UP/Down arrow to set content from the history. Shift+Ctrl+Up/Down to search current word or selected text occurences Ctrl+E - incremental search -- <http://forum.pspad.com/read.php?2,37063,37067> PSPad freeware editor http://www.pspad.com
