[issue28236] In xml.etree.ElementTree Element can be created with empty and None tag

[Gordon P. Hemsley]

Gordon P. Hemsley <gphemsley at gphemsley.org> added the comment:

I decided to take a look at this, since it seems easy...

At first glance, this would appear to be a straightforward change--the docs state in multiple places that Element() takes a string as its tag argument.

But it turns out that a lot of internal functionality depends on passing in non-strings as the tag value.

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nosy: +gphemsley

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<https://bugs.python.org/issue28236>
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