User-Agent:       Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.10) Gecko/20070510 Fedora/1.5.0.10-6.fc6 Firefox/1.5.0.10
Build Identifier: 

Most desktop managers support selecting several items at once with rubber band (Marquee) selection.  This is a convienient and modern feature for desktops, and would be nice to have.

Reproducible: Always

Steps to Reproduce:
1. Left click on desktop
2. Drag to another point on the desktop
3. Release mouse button

Actual Results:  
Nothing happens

Expected Results:  
Showing a selection box and selecting icons covered by it