update-copyright copyright notice corruption bug

[Andreas Schwab]

Jim Meyering <jim@meyering.net> writes:

> I had reverted it to ensure that the new test did indeed
> fail and then forgot to amend it back in.

You can temporarily check out portions of an earlier version of a file
with, eg., "git checkout -p HEAD^ -- build-aux/update-copyright" and
select the hunk you want to revert.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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