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authorP. J. McDermott <pjm@nac.net>2012-09-08 17:58:02 (EDT)
committer P. J. McDermott <pjm@nac.net>2012-09-08 17:58:02 (EDT)
commitf51a642dd3bd46d3254c8ac07bcfadf0b7b9ddc2 (patch)
tree76b84cffcadf8034c8d0fce4b031893819f28659 /notes
parentdbb1d617f03dd47c4cb4235f937e7560c3a0fd86 (diff)
Make sure that _ob_return only unsets variables.
According to POSIX.1-2008, some conformant shells might try to unset a function if: 1. Neither -f nor -v is specified and 2. A variable by a specified name does not exist.
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