cql_sortby_to_sortkeys: honor sort prefix.
RPN to CQL: always quote resulting terms. For bizarre reasons, JSTOR's
cql_sortby_to_sortkeys: honor sort prefix.
RPN to CQL: always quote resulting terms. For bizarre reasons, JSTOR's
Allow =val to be omitted for yaz_uri_to_array. Also, multiple &'s in
sequence is treated as one. For example, &&a=b&&&c& is identical to
Allow =val to be omitted for yaz_uri_to_array. Also, multiple &'s in
sequence is treated as one. For example, &&a=b&&&c& is identical to