Serhiy Storchaka added the comment:
I concur with Terry. This is not a Tkinter issue, this is a Tk issue.
Ask help on Tcl/Tk resources. If this is considered a bug open a ticket on the
Tk tracker: https://core.tcl.tk/tk/tktnew .
--
resolution: -> third party
stage: -> resolved
Terry J. Reedy added the comment:
> tkinter has added a #2
I think you yourself proved otherwise. Additional evidence is that ' #2' is not
added on Windows. I have 3 windows titled 'myApp' stacked behind my installed
python/IDLE icon. root.winfo_class() returns the class name capitalized, but
New submission from Håkon Hægland:
Hello. In order to group several instances of a given application under one
icon in the desktop launcher (I am using Ubuntu 17.04) they must have the same
appName property of the WM_CLASS string. For example, if I run emacs twice:
$ emacs &
$ emacs &
Both
