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* grep: make GREP_OPTIONS obsolescentPaul Eggert2014-09-121-2/+1
* grep: with no args, search "." only if command-line -rPaul Eggert2012-01-041-0/+7
* tests: avoid minor "make check" failureJim Meyering2012-01-031-0/+0
* grep: -r with no args now searches "."Paul Eggert2012-01-021-0/+14