values. Placeholders can appear like C<{PLACEHOLDER}>. For example, a B<URL> string might have a value of
C<http://example.com?user={USERNAME}>. C<{USERNAME}> is a placeholder for the value of the B<UserName> string
of the same entry. If the C<UserName> string had a value of "batman", the B<URL> string would expand to
C<http://example.com?user=batman>.
values. Placeholders can appear like C<{PLACEHOLDER}>. For example, a B<URL> string might have a value of
C<http://example.com?user={USERNAME}>. C<{USERNAME}> is a placeholder for the value of the B<UserName> string
of the same entry. If the C<UserName> string had a value of "batman", the B<URL> string would expand to
C<http://example.com?user=batman>.