XML: regression.sh: allow DIFFOPTS be externally set to an empty string
For instance, DIFF=wdiff (useful for ./regression -B) doesn't support
implicit "-u" option so this change allows getting rid of it cleanly.
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Description
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Jan Pokorný <jpokorny@redhat.com> Authored on May 9 2018, 5:44 PM - Parents
- rP5c03512483d7: Merge pull request #1480 from kgaillot/changes20
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