[docs] [issue25286] views are not sequences

[Martin Panter]

Martin Panter added the comment:

If changing the glossary heading, make sure it is kept in alphabetical order and incoming links still work (e.g. look for `view` and <view>). And maybe “dictionary view” (full spelling, and singular) would be a more accurate heading.

The text changes look good however.

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nosy: +martin.panter
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25286>
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