Package: perl-doc
Severity: wishlist
perldoc -f lc perhaps should be enhanced to cover this case:
$ perl -wle '$h{1}=88; $h{0}=33; $h{a}=99; $_="A"; print $h{lc};'
Use of uninitialized value in print at -e line 1.
$ perl -wle '$h{1}=88; $h{0}=33; $h{a}=99; $_="A"; print $h{(lc)};'
99