+STR
+DOC
+MAP
=VAL :complex1
+MAP
+SEQ
=VAL :a
-SEQ
=VAL :
-MAP
=VAL :complex2
+MAP
+SEQ
=VAL :a
-SEQ
=VAL :b
-MAP
=VAL :complex3
+MAP
+SEQ
=VAL :a
-SEQ
=VAL >b\n
-MAP
=VAL :complex4
+MAP
=VAL >a\n
=VAL :
-MAP
=VAL :complex5
+MAP
+SEQ
=VAL :a
-SEQ
+SEQ
=VAL :b
-SEQ
-MAP
-MAP
-DOC
-STR