Help: /wdiff
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 "/wdiff" page:

Show the changes to a wiki page.

Query parameters:

     id=HASH           Hash prefix for the child version to be diffed.
     rid=INTEGER       RecordID for the child version
     pid=HASH          Hash prefix for the parent.

The "id" query parameter is required.  "pid" is optional.  If "pid"
is omitted, then the diff is against the first parent of the child.