+ return rb_str_new2 (notmuch_query_get_query_string (query));
+}
+
+/*
+ * call-seq: QUERY.add_tag_exclude(tag) => nil
+ *
+ * Add a tag that will be excluded from the query results by default.
+ */
+VALUE
+notmuch_rb_query_add_tag_exclude (VALUE self, VALUE tagv)
+{
+ notmuch_query_t *query;
+ const char *tag;
+
+ Data_Get_Notmuch_Query (self, query);
+ tag = RSTRING_PTR(tagv);
+
+ notmuch_query_add_tag_exclude(query, tag);
+ return Qnil;
+}
+
+/*
+ * call-seq: QUERY.omit_excluded=(boolean) => nil
+ *
+ * Specify whether to omit excluded results or simply flag them.
+ * By default, this is set to +true+.
+ */
+VALUE
+notmuch_rb_query_set_omit_excluded (VALUE self, VALUE omitv)
+{
+ notmuch_query_t *query;
+
+ Data_Get_Notmuch_Query (self, query);
+
+ notmuch_query_set_omit_excluded (query, RTEST (omitv));
+
+ return Qnil;