This is a pesky, but low-importance bug, when you use CTRL + H (Find And Replace) in Dream Maker, under circumstances it will show the last replaced string, as untouched.
Steps:
(Have Multiple Files)
Ctrl + H
Type anything in the find box, and anything else in the replace box.
MAKE SURE All Files is selected instead of This File.
Then click replace, or replace all Either should show the last instance still there, however when you click it, it will vanish.

Dream Maker just doesn't update after the last replacement.

No other computer to test this on.
(This happens some of the time, not all the time.)