[bug-diffutils] bug#22245: bug#22245: address@hidden: Bug#809007: diffutils: FTBFS: FAIL: test-update-copyright.sh]

[Paul Eggert]

Santiago Vila wrote:
> I find a little bit odd that only the left brace is escaped in
> the git commit above. Sure, it will remove the warning about the
> left brace, but it looks a little bit inconsistent.

It depends on which sort of consistency one wants. I mildly prefer omitting 
backslashes when not needed, as this helps avoid usages like:

grep '\[.*\]' *.c

which has undefined behavior due to the '\]'. Admittedly that's a POSIX regular 
expression, not Perl.