syntax "yaml" "\.ya?ml$"
header "^---" "%YAML"

color type     "(^| )!!(binary|bool|float|int|map|null|omap|seq|set|str) "
color constant  "\b(YES|yes|Y|y|ON|on|NO|no|N|n|OFF|off)\b"
color constant "\b(true|false)\b"
color statement ":[[:space:]]" "\[" "\]" ":[[:space:]]+[|>]" "^[[:space:]]*- "
color identifier "[[:space:]][\*&][A-Za-z0-9]+"
color constant.string ""(\\.|[^"])*"|'(\\.|[^'])*'"
color comment "(^|[[:space:]])#([^{].*)?$"
color special  "^---" "^\.\.\." "^%YAML" "^%TAG"