Merge branch 'cb/test-use-ere-for-alternation'

Portability fix for tests added recently. * cb/test-use-ere-for-alternation: t: avoid alternation (not POSIX) in grep's BRE

Junio C Hamano committed May 31, 2020 at 11:38 UTC 56219baf1eae50134ee05eaa64e26e7f1207042c

No changes.