memory leaks with Tk::Canvas

Hello,

we have some memory leaks in one of our (relatively big) interactive
application based on perl/Tk (and zinc!). After some inquiry we finally
detects some leaks in Tk::Canvas

In the attached simple script I reproduce apparently two different
leaks:

1) when clicking repeatedly on the blue button (ie without waiting the
end of the "animation"), it seems there is a leak or 132kB (linux ptk
804.027) or 4kb (win activestate 804.027)


2) when clicking even once on the red button, there seems to be strong
leak of approx 132kB on linux 804.027 but none (or few?) on windows
(activestate 804.027)
This bug appears when we replace an array in a coords method by the
corresponding "tk" string.


Does someone identify some similar leaks on ptk 804 ? 

Does someone have a clue?

Cheers,

-- Christophe Mertz

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