Re: Postgres restart in the middle of exclusive backup and the presence of backup_label file

Here is a new version of the patch with the following changes:

    1. Addressed Chap's feedback from upthread.
    2. Renamed pg_start/stop_backup() to pg_backup_start/stop() as
       suggested by David.
    3. A couple of other small documentation adjustments.

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Nathan Bossart
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