+ YAZ_CHECK(tl_query(zh, "@attr 1=4 @attr 4=3 @attr 1=4 \\\\", 1));
+
+ /* search \ in title:0 . Process # in term */
+ YAZ_CHECK(tl_query(zh, "@attr 1=4 @attr 4=3 @attr 1=4 @attr 5=101 \\\\", 1));
+
+ /* search \ in title:0 . RegExpr-1 */
+ YAZ_CHECK(tl_query(zh, "@attr 1=4 @attr 4=3 @attr 1=4 @attr 5=102 \\\\\\\\", 1));