in reply to Re^2: Combining a hash into another
in thread Combining a hash into another

This was old in 2003: http://www.nntp.perl.org/group/perl.perl5.porters/2003/01/msg71111.html
(I gave up before finding the yet-older thread.)

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Re^4: Combining a hash into another
by ambrus (Abbot) on May 27, 2008 at 14:49 UTC

    Yes, and perl6 also automatically has the ,= operator according to S03.