12345678910 +STR+DOC+MAP {}=VAL :foo=VAL <tag:yaml.org,2002:str> :=VAL <tag:yaml.org,2002:str> :=VAL :bar-MAP-DOC-STR
+STR
+DOC
+MAP {}
=VAL :foo
=VAL <tag:yaml.org,2002:str> :
=VAL :bar
-MAP
-DOC
-STR