+ <row><entry><literal>s=ag</literal></entry><entry>
+ Tokens that appears as phrases (with blank in them) gets
+ structure phrase attached. Tokens that appers as words
+ gets structure phrase attached. Phrases and words are
+ ANDed. This is a variant of s=al and s=pw, with the main
+ difference that words are not split (with operator AND)
+ but instead kept in one RPN token. This facility appeared
+ in YAZ 4.2.38.
+ </entry>
+ </row>
+