[issue5337] Scanner class in re module undocumented

[Georg Brandl]

Georg Brandl <georg at python.org> added the comment:

The class is commented as being "experimental", and the interface
probably could use improvement (it's a bit awkward to subclass Scanner),
but since it's been around for so long, I guess enough people will be
using it that we have to keep it that way and document it.

Opinions?

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assignee: effbot -> benjamin.peterson
nosy: +benjamin.peterson

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