Help: web-browser
Not logged in
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 "web-browser" setting:

A shell command used to launch your preferred
web browser when given a URL as an argument.
Defaults to "start" on windows, "open" on Mac,
and "firefox" on Unix.