# YAML Test Matrix

--- &test-LHL4
  Title: Invalid tag
  Tags: [ error, tag ]

YAML

---
!invalid{}tag scalar

Expected Events

+STR
+DOC ---

Expected JSON



cpp-rapidyaml-event

 invalid_incorrect
+STR
+DOC ---
=VAL <!invalid{}tag> :scalar
-DOC
-STR

cpp-yamlcpp-event

 invalid_incorrect
+STR
+DOC
+MAP {} <!invalid>
-MAP
-DOC
+DOC
=VAL :tag scalar
-DOC
-STR

hs-reference-yeast

 invalid_incorrect
Line  Col Char Byte Token|Content
   1    0    0    0 +DOC |
   1    0    0    0 =HEAD|---
   1    3    3    3 +NODE|
   1    3    3    3 +VAL |
   1    3    3    3 -VAL |
   1    3    3    3 -NODE|
   1    3    3    3 =EOL |\x0a
   2    0    4    4 =REST|!invalid{}tag.scalar
   2   20   24   24 =REST|\x0a
   3    0   25   25 -DOC |

perl-syck-json

 invalid_incorrect
"scalar"

perl-syck-perl

 invalid_incorrect
'scalar'

c-libfyaml-event

 invalid_correct
stdin:2:9: error: invalid tag terminator
!invalid{}tag scalar
        ^
+STR
+DOC ---

c-libfyaml-json

 invalid_correct
stdin:2:9: error: invalid tag terminator
!invalid{}tag scalar
        ^

c-libyaml-event

 invalid_correct
Parse error: did not find expected whitespace or line break
+STR
+DOC ---

dotnet-yamldotnet-event

 invalid_correct
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 2, Col: 1, Idx: 4) - (Line: 2, Col: 9, Idx: 12): While scanning a tag, did not find expected whitespace, comma or line break.
   at YamlDotNet.Core.Scanner.ScanTag()
   at YamlDotNet.Core.Scanner.FetchTag()
   at YamlDotNet.Core.Scanner.FetchNextToken()
   at YamlDotNet.Core.Scanner.FetchMoreTokens()
   at YamlDotNet.Core.Scanner.MoveNextWithoutConsuming()
   at YamlDotNet.Core.Parser.GetCurrentToken()
   at YamlDotNet.Core.Parser.ParseDocumentContent()
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   at YamlDotNet.RepresentationModel.LibYamlEventStream.WriteTo(TextWriter textWriter)
   at Program.Main(String[] commandLineArguments)
Aborted (core dumped)
+STR
+DOC ---

dotnet-yamldotnet-json

 invalid_correct
Unhandled exception. YamlDotNet.Core.SyntaxErrorException: (Line: 2, Col: 1, Idx: 4) - (Line: 2, Col: 9, Idx: 12): While scanning a tag, did not find expected whitespace, comma or line break.
   at YamlDotNet.Core.Scanner.ScanTag()
   at YamlDotNet.Core.Scanner.FetchTag()
   at YamlDotNet.Core.Scanner.FetchNextToken()
   at YamlDotNet.Core.Scanner.FetchMoreTokens()
   at YamlDotNet.Core.Scanner.MoveNextWithoutConsuming()
   at YamlDotNet.Core.Parser.GetCurrentToken()
   at YamlDotNet.Core.Parser.ParseDocumentContent()
   at YamlDotNet.Core.Parser.StateMachine()
   at YamlDotNet.Core.Parser.MoveNext()
   at YamlDotNet.Core.ParserExtensions.TryConsume[T](IParser parser, T& event)
   at YamlDotNet.Serialization.Deserializer.Deserialize(IParser parser, Type type)
   at YamlDotNet.Serialization.Deserializer.Deserialize(TextReader input, Type type)
   at YamlDotNet.Serialization.Deserializer.Deserialize(TextReader input)
   at Program.Main(String[] commandLineArguments)
Aborted (core dumped)

go-yaml-json

 invalid_correct
yaml: line 2: did not find expected whitespace or line break

hs-hsyaml-event

 invalid_correct
Parsing error near byte offset Pos {posByteOffset = 4, posCharOffset = 4, posLine = 2, posColumn = 0} (Lexical error near "!invalid{}tag scalar")
+STR
+DOC ---
=VAL :

hs-hsyaml-json

 invalid_correct
hsyaml-parser: user error (Lexical error near "!invalid{}tag scalar")

js-jsyaml-json

 invalid_correct
/node/node_modules/js-yaml/lib/loader.js:187
  throw generateError(state, message);
  ^
YAMLException: tag suffix cannot contain flow indicator characters (2:14)

 1 | ---
 2 | !invalid{}tag scalar
------------------^
    at generateError (/node/node_modules/js-yaml/lib/loader.js:183:10)
    at throwError (/node/node_modules/js-yaml/lib/loader.js:187:9)
    at readTagProperty (/node/node_modules/js-yaml/lib/loader.js:1275:7)
    at composeNode (/node/node_modules/js-yaml/lib/loader.js:1407:12)
    at readDocument (/node/node_modules/js-yaml/lib/loader.js:1625:3)
    at loadDocuments (/node/node_modules/js-yaml/lib/loader.js:1688:5)
    at Object.loadAll (/node/node_modules/js-yaml/lib/loader.js:1701:19)
    at Object.<anonymous> (/yaml/bin/js-jsyaml-json:7:13)
    at Module._compile (node:internal/modules/cjs/loader:1358:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1416:10) {
  reason: 'tag suffix cannot contain flow indicator characters',
  mark: {
    name: null,
    buffer: '---\n!invalid{}tag scalar\n',
    position: 17,
    line: 1,
    column: 13,
    snippet: ' 1 | ---\n 2 | !invalid{}tag scalar\n------------------^'
  }
}

Node.js v20.13.1

js-yaml-event

 invalid_correct
Tags and anchors must be separated from the next token by white space at line 2, column 9:

!invalid{}tag scalar
        ^
+STR
+DOC ---

js-yaml-json

 invalid_correct
/yaml/bin/js-yaml-json:9
    if (doc.errors.length !== 0) throw doc.errors[0]
                                 ^

YAMLParseError: Tags and anchors must be separated from the next token by white space at line 2, column 9:

!invalid{}tag scalar
        ^

    at Composer.onError (/node/node_modules/yaml/dist/compose/composer.js:69:34)
    at Object.resolveProps (/node/node_modules/yaml/dist/compose/resolve-props.js:129:9)
    at Object.composeDoc (/node/node_modules/yaml/dist/compose/compose-doc.js:17:32)
    at Composer.next (/node/node_modules/yaml/dist/compose/composer.js:149:40)
    at next (<anonymous>)
    at Composer.compose (/node/node_modules/yaml/dist/compose/composer.js:131:25)
    at compose.next (<anonymous>)
    at Function.from (<anonymous>)
    at Object.parseAllDocuments (/node/node_modules/yaml/dist/public-api.js:28:24)
    at Object.<anonymous> (/yaml/bin/js-yaml-json:7:19) {
  code: 'MISSING_CHAR',
  pos: [ 12, 13 ],
  linePos: [ { line: 2, col: 9 }, { line: 2, col: 10 } ]
}

Node.js v20.13.1

lua-lyaml-json

 invalid_correct
luajit: 1:1: did not find expected whitespace or line break
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:443: in function 'load_node'
	/usr/local/share/lua/5.1/lyaml/init.lua:497: in function 'load'
	/yaml/bin/lua-lyaml-json:6: in main chunk
	[C]: at 0x55a2794ceed0

nim-nimyaml-event

 invalid_correct
/tmp/NimYAML-0.16.0/yaml/stream.nim(134) nimyaml_event
/tmp/NimYAML-0.16.0/yaml/stream.nim(106) next
Error: unhandled exception: Unexpected token (expected document end): Plain [YamlStreamError]
+STR
+DOC ---
+MAP <!invalid>
-MAP

perl-pp-event

 invalid_correct
Line      : 2
Column    : 9
Expected  : EOL WS
Got       : FLOWMAP_START
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "{}tag scalar\n"
  at /yaml/bin/perl-pp-event line 46.
+STR
+DOC ---

perl-pp-json

 invalid_correct
Line      : 2
Column    : 9
Expected  : EOL WS
Got       : FLOWMAP_START
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "{}tag scalar\n"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.

perl-pp-perl

 invalid_correct
Line      : 2
Column    : 9
Expected  : EOL WS
Got       : FLOWMAP_START
Where     : /perl5/lib/perl5/YAML/PP/Parser.pm line 392
YAML      : "{}tag scalar\n"
  at /perl5/lib/perl5/YAML/PP/Loader.pm line 94.

perl-pplibyaml-json

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

    did not find expected whitespace or line break

was found at , line: 2, column: 9
while scanning a tag at line: 2, column: 1

perl-pplibyaml-perl

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

    did not find expected whitespace or line break

was found at , line: 2, column: 9
while scanning a tag at line: 2, column: 1

perl-refparser-event

 invalid_correct
Parser finished before end of input at /perl5/lib/perl5/YAML/Parser.pm line 4056, <> line 1.

perl-tiny-json

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

perl-tiny-perl

 invalid_correct
YAML::Tiny failed to classify line '!invalid{}tag scalar' at /yaml/bin/perl-tiny-perl line 15.

perl-xs-json

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

    did not find expected whitespace or line break

was found at document: 1, line: 2, column: 9
while scanning a tag at line: 2, column: 1

perl-xs-perl

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

    did not find expected whitespace or line break

was found at document: 1, line: 2, column: 9
while scanning a tag at line: 2, column: 1

perl-yaml-json

 invalid_correct
YAML Error: Expected separator '---'
   Code: YAML_PARSE_ERR_NO_SEPARATOR
   Line: 2
   Document: 2
 at /perl5/lib/perl5/YAML/Loader.pm line 88.

perl-yaml-perl

 invalid_correct
YAML Error: Expected separator '---'
   Code: YAML_PARSE_ERR_NO_SEPARATOR
   Line: 2
   Document: 2
 at /perl5/lib/perl5/YAML/Loader.pm line 88.

py-pyyaml-event

 invalid_correct
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/python3.12/site-packages/yaml/__init__.py", line 75, in parse
    while loader.check_event():
          ^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 209, in parse_document_content
    if self.check_token(DirectiveToken,
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 235, in fetch_more_tokens
    return self.fetch_tag()
           ^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 632, in fetch_tag
    self.tokens.append(self.scan_tag())
                       ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 970, in scan_tag
    raise ScannerError("while scanning a tag", start_mark,
yaml.scanner.ScannerError: while scanning a tag
  in "<unicode string>", line 2, column 1:
    !invalid{}tag scalar
    ^
expected ' ', but found '{'
  in "<unicode string>", line 2, column 9:
    !invalid{}tag scalar
            ^
+STR
+DOC ---

py-pyyaml-json

 invalid_correct
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/python3.12/site-packages/yaml/__init__.py", line 130, in load_all
    yield loader.get_data()
          ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/constructor.py", line 45, in get_data
    return self.construct_document(self.get_node())
                                   ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 27, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 64, in compose_node
    if self.check_event(AliasEvent):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 209, in parse_document_content
    if self.check_token(DirectiveToken,
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 235, in fetch_more_tokens
    return self.fetch_tag()
           ^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 632, in fetch_tag
    self.tokens.append(self.scan_tag())
                       ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 970, in scan_tag
    raise ScannerError("while scanning a tag", start_mark,
yaml.scanner.ScannerError: while scanning a tag
  in "<unicode string>", line 2, column 1:
    !invalid{}tag scalar
    ^
expected ' ', but found '{'
  in "<unicode string>", line 2, column 9:
    !invalid{}tag scalar
            ^

py-pyyaml-py

 invalid_correct
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/python3.12/site-packages/yaml/__init__.py", line 130, in load_all
    yield loader.get_data()
          ^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/constructor.py", line 45, in get_data
    return self.construct_document(self.get_node())
                                   ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 27, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 55, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/composer.py", line 64, in compose_node
    if self.check_event(AliasEvent):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 98, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/parser.py", line 209, in parse_document_content
    if self.check_token(DirectiveToken,
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 116, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 235, in fetch_more_tokens
    return self.fetch_tag()
           ^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 632, in fetch_tag
    self.tokens.append(self.scan_tag())
                       ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/yaml/scanner.py", line 970, in scan_tag
    raise ScannerError("while scanning a tag", start_mark,
yaml.scanner.ScannerError: while scanning a tag
  in "<unicode string>", line 2, column 1:
    !invalid{}tag scalar
    ^
expected ' ', but found '{'
  in "<unicode string>", line 2, column 9:
    !invalid{}tag scalar
            ^

py-ruamel-event

 invalid_correct
Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-event", line 9, in <module>
    for event in yaml.parse(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/ruamel/yaml/main.py", line 371, in parse
    while parser.check_event():
          ^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 279, in parse_document_content
    if self.scanner.check_token(
       ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 170, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 290, in fetch_more_tokens
    return self.fetch_tag()
           ^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 677, in fetch_tag
    self.tokens.append(self.scan_tag())
                       ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 1089, in scan_tag
    raise ScannerError(
ruamel.yaml.scanner.ScannerError: while scanning a tag
  in "<unicode string>", line 2, column 1:
    !invalid{}tag scalar
    ^ (line: 2)
expected ' ', but found '{'
  in "<unicode string>", line 2, column 9:
    !invalid{}tag scalar
            ^ (line: 2)
+STR
+DOC ---

py-ruamel-json

 invalid_correct
Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-json", line 21, in <module>
    for doc in yaml.load_all(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/ruamel/yaml/main.py", line 476, in load_all
    yield constructor.get_data()
          ^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/constructor.py", line 110, in get_data
    return self.construct_document(self.composer.get_node())
                                   ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 63, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 94, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 106, in compose_node
    if self.parser.check_event(AliasEvent):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 279, in parse_document_content
    if self.scanner.check_token(
       ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 170, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 290, in fetch_more_tokens
    return self.fetch_tag()
           ^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 677, in fetch_tag
    self.tokens.append(self.scan_tag())
                       ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 1089, in scan_tag
    raise ScannerError(
ruamel.yaml.scanner.ScannerError: while scanning a tag
  in "<unicode string>", line 2, column 1:
    !invalid{}tag scalar
    ^ (line: 2)
expected ' ', but found '{'
  in "<unicode string>", line 2, column 9:
    !invalid{}tag scalar
            ^ (line: 2)

py-ruamel-py

 invalid_correct
Traceback (most recent call last):
  File "/yaml/bin/py-ruamel-py", line 38, in <module>
    for doc in yaml.load_all(sys.stdin.read()):
  File "/python/lib/python3.12/site-packages/ruamel/yaml/main.py", line 476, in load_all
    yield constructor.get_data()
          ^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/constructor.py", line 110, in get_data
    return self.construct_document(self.composer.get_node())
                                   ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 63, in get_node
    return self.compose_document()
           ^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 94, in compose_document
    node = self.compose_node(None, None)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/composer.py", line 106, in compose_node
    if self.parser.check_event(AliasEvent):
       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 141, in check_event
    self.current_event = self.state()
                         ^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/parser.py", line 279, in parse_document_content
    if self.scanner.check_token(
       ^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 170, in check_token
    self.fetch_more_tokens()
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 290, in fetch_more_tokens
    return self.fetch_tag()
           ^^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 677, in fetch_tag
    self.tokens.append(self.scan_tag())
                       ^^^^^^^^^^^^^^^
  File "/python/lib/python3.12/site-packages/ruamel/yaml/scanner.py", line 1089, in scan_tag
    raise ScannerError(
ruamel.yaml.scanner.ScannerError: while scanning a tag
  in "<unicode string>", line 2, column 1:
    !invalid{}tag scalar
    ^ (line: 2)
expected ' ', but found '{'
  in "<unicode string>", line 2, column 9:
    !invalid{}tag scalar
            ^ (line: 2)

ruby-psych-json

 invalid_correct
/ruby/gems/psych/lib/psych.rb:458:in `parse': (<unknown>): did not find expected whitespace or line break while scanning a tag at line 2 column 1 (Psych::SyntaxError)
	from /ruby/gems/psych/lib/psych.rb:458:in `parse_stream'
	from /ruby/gems/psych/lib/psych.rb:632:in `load_stream'
	from /yaml/bin/ruby-psych-json:6:in `<main>'

rust-yamlrust-event

 invalid_correct
Error: ScanError { mark: Marker { index: 4, line: 2, col: 0 }, info: "while scanning a tag, did not find expected whitespace or line break" }
+STR
+DOC