In Perl 5.6.0 and later, C<"$$1"> always means C<"${$1}">.
-=item
+=item delete(), each(), values() and C<\(%h)>
-delete(), values() and C<\(%h)> operate on aliases to values, not copies
+operate on aliases to values, not copies
-delete(), each(), values() and hashes in a list context return the actual
+delete(), each(), values() and hashes (e.g. C<\(%h)>)
+in a list context return the actual
values in the hash, instead of copies (as they used to in earlier
versions). Typical idioms for using these constructs copy the
returned values, but this can make a significant difference when
=item The DB module
-=item The regular expression constructs C<(?{ code })> and C<(??{ code })>
+=item The regular expression code constructs:
+
+C<(?{ code })> and C<(??{ code })>
=back