Steps to reproduce:
1. Open KompoZer
2. Select an html file using mouse and drag'n'drop it
into open KompoZer window.
The html file is opened for editing.
A link pointing to the html file is inserted.
At least I'm used to opening files by drag'n'dropping
them into a program that can handle them because
selecting File>Open and then navigating to the file to
be opened is much slower. Even Notepad can open files
like this and it would be nice if KompoZer was not an