K 10
svn:author
V 6
kevans
K 8
svn:date
V 27
2020-07-30T13:36:24.330927Z
K 7
svn:log
V 230
sed: fix hex_subst test after after r363679

r363679 is in-fact the future change referenced by the comment, helpfully
left and forgotten by kevans. Instead of just silently not matching, we
should now be erroring out with vigor.

END