Itcl - the [incr Tcl] extension

Help: /test_env
Bounty program for improvements to Tcl and certain Tcl packages.
Tcl 2018 Conference, Houston/TX, US, Oct 15-19
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or submit via the online form by Aug 20.

The "/test_env" page:

Display CGI-variables and other aspects of the run-time
environment, for debugging and trouble-shooting purposes.