or download this
perl-git/pod > grep -w err *
perl590delta.pod:It has a low-precedence counterpart, C<err>, which ha
+s the same precedence
...
perlhack.pod:documented. If you are going to err, it is better to err
+on the side of
perltodo.pod: errno_t err = fopen_s(&f, __FILE__, "r");
perl-git/pod >