[docs] [issue29975] Issue in extending documentation

[Martin Panter]

Martin Panter added the comment:

FWIW I don’t see any error in the first quote. “Should X happen, Y happens” is valid English. Though I admit this kind of grammar is not used that often.

If it is too hard to understand, it should be okay to change it to “If it becomes a danging pointer, . . .”.

[become → becomes]

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nosy: +martin.panter

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<http://bugs.python.org/issue29975>
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