+#
+exim -be
+set,t acl_m0 = expected_fail
+set,t acl_m1 = barbaz
+set,t acl_m2 = foo_2
+set,t acl_m3 = foo_3
+missing quoter: ${lookup testdb {$acl_m0}}
+proper quoter: ${lookup testdb {${quote_testdb:$acl_m1}}}
+missing (but cached): ${lookup testdb {$acl_m1}}
+shared quoter: ${lookup testdb2 {${quote_testdb:$acl_m2}}}
+quoter notreq: ${lookup testdb_nq {$acl_m3}}
+****