Help: /background
Bounty program for improvements to Tcl and certain Tcl packages.
Tcl 2019 Conference, Houston/TX, US, Nov 4-8
Send your abstracts to tclconference@googlegroups.com
or submit via the online form by Sep 9.

The "/background" page:

Return the background image. If no background image is defined, a built-in 16x16 pixel white GIF is returned.