character itself.
When opening-closing-style quoting is used (L</quote_char> is an arrayref)
-this parameter defaults to the B<closing (right)> L</quote_char>. Occurences
+this parameter defaults to the B<closing (right)> L</quote_char>. Occurrences
of the B<opening (left)> L</quote_char> within the identifier are currently left
untouched. The default for opening-closing-style quotes may change in future
versions, thus you are B<strongly encouraged> to specify the escape character
=back
-On failure returns C<undef>, on sucess returns a B<scalar> reference
+On failure returns C<undef>, on success returns a B<scalar> reference
to the original supplied argument.
=over
=back
-On failure returns C<undef>, on sucess returns an B<array> reference
+On failure returns C<undef>, on success returns an B<array> reference
containing the unpacked version of the supplied literal SQL and bind values.
=head1 WHERE CLAUSES