# YAML Test Matrix

--- &test-Q5MG
  Title: Tab at beginning of line followed by a flow mapping
  Tags: [ flow, whitespace ]

	{}

+STR
+DOC
+MAP {}
-MAP
-DOC
-STR

{}

+STR
+DOC
+MAP
-MAP
-DOC
-STR

+STR
+DOC
=VAL :\t{}
-DOC
-STR

+STR
+DOC
=VAL :\t{}
-DOC
-STR

+STR
Parse error: found character that cannot start any token

yaml: found character that cannot start any token

Exception in thread "main" while scanning for the next token
found character '\t(TAB)' that cannot start any token. (Do not use \t(TAB) for indentation)
 in 'reader', line 1, column 1:
    	{}
    ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:461)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseImplicitDocumentStart.produce(ParserImpl.java:214)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:166)
	at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:156)
	at org.yaml.snakeyaml.composer.Composer.checkNode(Composer.java:94)
	at org.yaml.snakeyaml.constructor.BaseConstructor.checkData(BaseConstructor.java:124)
	at org.yaml.snakeyaml.Yaml$1.hasNext(Yaml.java:509)
	at org.yaml.editor.Snake2Json.yamlToJson(Snake2Json.java:20)
	at org.yaml.editor.Snake2Json.main(Snake2Json.java:27)

Exception in thread "main" while scanning for the next token
found character '\t(TAB)' that cannot start any token. (Do not use \t(TAB) for indentation)
 in 'reader', line 1, column 1:
    	{}
    ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:461)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseImplicitDocumentStart.produce(ParserImpl.java:214)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:166)
	at org.yaml.snakeyaml.Yaml$3.hasNext(Yaml.java:677)
	at org.yaml.editor.Snake2Events.yamlToEvents(Snake2Events.java:134)
	at org.yaml.editor.Snake2Events.main(Snake2Events.java:142)

Exception in thread "main" while scanning for the next token
found character '\t(TAB)' that cannot start any token. (Do not use \t(TAB) for indentation)
 in 'reader', line 1, column 1:
    	{}
    ^

	at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:461)
	at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:251)
	at org.yaml.snakeyaml.parser.ParserImpl$ParseImplicitDocumentStart.produce(ParserImpl.java:214)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:166)
	at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:156)
	at org.yaml.snakeyaml.composer.Composer.checkNode(Composer.java:94)
	at org.yaml.snakeyaml.constructor.BaseConstructor.checkData(BaseConstructor.java:124)
	at org.yaml.snakeyaml.Yaml$1.hasNext(Yaml.java:509)
	at org.yaml.editor.Snake2Json.yamlToJson(Snake2Json.java:20)
	at org.yaml.editor.Snake2Json.main(Snake2Json.java:27)

luajit: 1:1: found character that cannot start any token
stack traceback:
	[C]: in function 'error'
	/usr/local/share/lua/5.1/lyaml/init.lua:306: in function 'error'
	/usr/local/share/lua/5.1/lyaml/init.lua:325: in function 'parse'
	/usr/local/share/lua/5.1/lyaml/init.lua:496: in function 'load'
	/yaml/bin/lua-lyaml-json:6: in main chunk
	[C]: at 0x55666caa5f97

YAML::PP::LibYAML Error: The problem:

    found character that cannot start any token

was found at 
while scanning for the next token at line: 1, column: 1

YAML::PP::LibYAML Error: The problem:

    found character that cannot start any token

was found at 
while scanning for the next token at line: 1, column: 1

YAML::XS::Load Error: The problem:

    found character that cannot start any token

was found at document: 1
while scanning for the next token at line: 1, column: 1

YAML::XS::Load Error: The problem:

    found character that cannot start any token

was found at document: 1
while scanning for the next token at line: 1, column: 1

YAML Error: YAML_PARSE_ERR_NONSPACE_INDENTATION
   Code: YAML_PARSE_ERR_NONSPACE_INDENTATION
   Line: 1
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 748.

YAML Error: YAML_PARSE_ERR_NONSPACE_INDENTATION
   Code: YAML_PARSE_ERR_NONSPACE_INDENTATION
   Line: 1
   Document: 1
 at /perl5/lib/perl5/YAML/Loader.pm line 748.

+STR
Traceback (most recent call last):
  File "/yaml/bin/py-pyyaml-event", line 7, in <module>
    for event in yaml.parse(sys.stdin.read()):
  File "/python/lib/python3.7/site-packages/yaml/__init__.py", line 46, in parse
    while loader.check_event():
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 143, in parse_implicit_document_start
    StreamEndToken):
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 260, in fetch_more_tokens
    self.get_mark())
yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 1:
    	{}
    ^

Traceback (most recent call last):
  File "/yaml/bin/py-pyyaml-json", line 19, in <module>
    for doc in yaml.load_all(sys.stdin.read(), Loader=yaml.FullLoader):
  File "/python/lib/python3.7/site-packages/yaml/__init__.py", line 92, in load_all
    while loader.check_data():
  File "/python/lib/python3.7/site-packages/yaml/constructor.py", line 32, in check_data
    return self.check_node()
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 22, in check_node
    return not self.check_event(StreamEndEvent)
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 143, in parse_implicit_document_start
    StreamEndToken):
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 260, in fetch_more_tokens
    self.get_mark())
yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 1:
    	{}
    ^

Traceback (most recent call last):
  File "/yaml/bin/py-pyyaml-py", line 36, in <module>
    for doc in yaml.load_all(sys.stdin.read(), Loader=yaml.FullLoader):
  File "/python/lib/python3.7/site-packages/yaml/__init__.py", line 92, in load_all
    while loader.check_data():
  File "/python/lib/python3.7/site-packages/yaml/constructor.py", line 32, in check_data
    return self.check_node()
  File "/python/lib/python3.7/site-packages/yaml/composer.py", line 22, in check_node
    return not self.check_event(StreamEndEvent)
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/yaml/parser.py", line 143, in parse_implicit_document_start
    StreamEndToken):
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/yaml/scanner.py", line 260, in fetch_more_tokens
    self.get_mark())
yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 1:
    	{}
    ^

+STR
Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-event", line 7, in <module>
    for event in ruamel.yaml.parse(sys.stdin.read()):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/main.py", line 1024, in parse
    while loader._parser.check_event():
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 146, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 196, in parse_implicit_document_start
    if not self.scanner.check_token(DirectiveToken, DocumentStartToken, StreamEndToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 175, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 327, in fetch_more_tokens
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 1:
    	{}
    ^ (line: 1)

Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-json", line 19, in <module>
    for doc in ruamel.yaml.load_all(sys.stdin.read(), Loader=ruamel.yaml.Loader):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/main.py", line 1096, in load_all
    while loader._constructor.check_data():
  File "/python/lib/python3.7/site-packages/ruamel/yaml/constructor.py", line 108, in check_data
    return self.composer.check_node()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 60, in check_node
    return not self.parser.check_event(StreamEndEvent)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 146, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 196, in parse_implicit_document_start
    if not self.scanner.check_token(DirectiveToken, DocumentStartToken, StreamEndToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 175, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 327, in fetch_more_tokens
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 1:
    	{}
    ^ (line: 1)

Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-py", line 36, in <module>
    for doc in ruamel.yaml.load_all(sys.stdin.read(), Loader=ruamel.yaml.Loader):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/main.py", line 1096, in load_all
    while loader._constructor.check_data():
  File "/python/lib/python3.7/site-packages/ruamel/yaml/constructor.py", line 108, in check_data
    return self.composer.check_node()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/composer.py", line 60, in check_node
    return not self.parser.check_event(StreamEndEvent)
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 146, in check_event
    self.current_event = self.state()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/parser.py", line 196, in parse_implicit_document_start
    if not self.scanner.check_token(DirectiveToken, DocumentStartToken, StreamEndToken):
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 175, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.7/site-packages/ruamel/yaml/scanner.py", line 327, in fetch_more_tokens
    self.reader.get_mark(),
ruamel.yaml.scanner.ScannerError: while scanning for the next token
found character '\t' that cannot start any token
  in "<unicode string>", line 1, column 1:
    	{}
    ^ (line: 1)

Couldn't parse YAML
  in sub load-yamls at /raku/sources/44795C7AB0F35700F4CA9C3E2CC5C924EE4C608F (YAMLish) line 959
  in block <unit> at /yaml/bin/raku-yamlish-json line 6

Couldn't parse YAML
  in sub load-yamls at /raku/sources/44795C7AB0F35700F4CA9C3E2CC5C924EE4C608F (YAMLish) line 959
  in block <unit> at /yaml/bin/raku-yamlish-raku line 6

/ruby/gems/psych/lib/psych.rb:459:in `parse': (<unknown>): found character that cannot start any token while scanning for the next token at line 1 column 1 (Psych::SyntaxError)
	from /ruby/gems/psych/lib/psych.rb:459:in `parse_stream'
	from /ruby/gems/psych/lib/psych.rb:565:in `load_stream'
	from /yaml/bin/ruby-psych-json:6:in `<main>'

Line  Col Char Byte Token|Content
   1    0    0    0 +DOC |
   1    0    0    0 =WSPC|\x09
   1    1    1    1 +NODE|
   1    1    1    1 +MAP |
   1    1    1    1 =SYNX|{
   1    2    2    2 =SYNX|}
   1    3    3    3 -MAP |
   1    3    3    3 -NODE|
   1    3    3    3 =EOL |\x0a
   2    0    4    4 -DOC |

{}

{}

YAML::Tiny failed to classify line '	{}' at /yaml/bin/perl-tiny-json line 12.

YAML::Tiny failed to classify line '	{}' at /yaml/bin/perl-tiny-perl line 15.