Fixed new problem where ALt+Drag was using the start of file as the anchor.
Fixed new problem where ALt+Drag was using the start of file as the anchor.

R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone,R1dO/scintilla_clone