JSON_OUTPUT_VERSION	the version of json output stream format	off
TAG_FILE_FORMAT	the version of tags file format	on
TAG_FILE_SORTED	how tags are sorted	on
TAG_PROGRAM_AUTHOR	the author of this ctags implementation	on
TAG_PROGRAM_NAME	the name of this ctags implementation	on
TAG_PROGRAM_URL	the official site URL of this ctags implementation	on
TAG_PROGRAM_VERSION	the version of this ctags implementation	on
TAG_KIND_SEPARATOR	the separators used in kinds	off
TAG_KIND_DESCRIPTION	the letters, names and descriptions of kinds in a parser	off
