Terry J. Reedy added the comment:
Documented as macOS specific at https://www.tcl.tk/man/tcl8.6/TkCmd/wm.htm.
But I would not know about C-click from "Specifies the path of the file
referenced as the window proxy icon (which can be dragged and dropped in lieu
of the file's finder icon). "
Change by Terry J. Reedy :
--
components: +macOS
nosy: +ned.deily, ronaldoussoren
title: Make IDLE support Command-click on window title on macOS -> IDLE:
support Command-click on window title on macOS
versions: +Python 3.11
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