[issue40452] Tkinter/IDLE: preserve clipboard on closure

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

Can we backport?  The change to _tkinter, not directly exposed in tkinter, could be considered an enhancement, but is necessary to fix what I consider a real bug in tkinter, and hence in IDLE.

Pablo, would you allow the _tkinter change in .0b2?

If we cannot backport the _tkinter change, can the tcl function be accessed through root.tk.call('????')?  I am guessing that 'exit' exits the process from tcl, which is probably not what we want.
https://www.tcl.tk/man/tcl8.6/TclLib/Exit.htm
suggests that when tcl is loaded as an extention, Tcl_Finalize should be called instead of Tcl_Exit to *not* exit the process.

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nosy: +pablogsal

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