tk/grid propagate

(tk/grid 'propagate master ?boolean?)
If boolean is #t then propagation is enabled for master wich must be a widget.

If boolean is #f then propagation is disabled for master. In either of these cases an empty string is returned.

If boolean is omitted then the command returns 0 or 1 to indicate whether propagation is currently enabled for master.

Propagation is enabled by default.


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