[Zope] Changing a COPY of metadata modifies ZClass instance?

[hans]

Milos Prudek wrote:

>
> Good tip. It is also possible to assign "y=x[0:]", and voila, y is data
> copy, not a reference, and it is independent.

An ordinary copy by assignment goes only 1 level deep.
if the objects nest deeper, use deepcopy to get a true copy.

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hans augustin  (software developer)           hans@beehive.de
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