{"abstract":"A MIME-Version header carrying a comment is not recognised, so the message is shown as raw text.","category":"Email MIME structure","checks":7,"contract":"headers are [name, value] pairs with case-insensitive, trimmed names; the first occurrence of MIME-Version and of Content-Type is used. The MIME-Version value, after removing parenthesised comments and all whitespace, must equal \"1.0\"; otherwise the message is [\"text/plain\", \"non-mime\"]. MIME messages report [type, \"mime\"] with the type taken from the first Content-Type (before \";\", trimmed, lower-cased; text/plain when absent or empty).","evaluation_group":"w2-email_mime_structure-mime-version-gate","failed_approach":"Cutting at the first parenthesis loses the version when the comment comes first. The attempted `clean = (version or '').split('(')[0]` still disagrees with a fixture.","family":"w2-email_mime_structure-mime-version-gate-comment-removal","id":"FA-76831","implementations":{"attempt":{"sha256":"48e9e9f486b0b525b369623f2746789242ce72723cbfc9d698f40f5fc1698e96","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport re\nN = 1\nobservations = []\ndef solve(headers):\n    version = None\n    ctype = None\n    for name, value in headers:\n        key = name.strip().lower()\n        if key == 'mime-version' and version is None:\n            version = value\n        elif key == 'content-type' and ctype is None:\n            ctype = value\n    clean = (version or '').split('(')[0]\n    clean = ''.join(clean.split())\n    if clean != '1.0':\n        return ['text/plain', 'non-mime']\n    mtype = (ctype or 'text/plain').split(';')[0].strip().lower() or 'text/plain'\n    return [mtype, 'mime']\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\n_CASES = {1: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v1)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b1']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.1'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 2: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v2)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b2']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.2'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 3: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v3)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b3']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.3'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 4: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v4)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b4']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.4'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 5: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v5)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b5']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.5'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])]}\nfor _label, _args, _expected in _CASES[N]:\n    check(_label, solve(*_args), _expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"a8c9607291cccfebef1ba94eb88f9c354b07e22b6153df09701e4d181097e9a0","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport re\nN = 1\nobservations = []\ndef solve(headers):\n    version = None\n    ctype = None\n    for name, value in headers:\n        key = name.strip().lower()\n        if key == 'mime-version' and version is None:\n            version = value\n        elif key == 'content-type' and ctype is None:\n            ctype = value\n    clean = version or ''\n    clean = ''.join(clean.split())\n    if clean != '1.0':\n        return ['text/plain', 'non-mime']\n    mtype = (ctype or 'text/plain').split(';')[0].strip().lower() or 'text/plain'\n    return [mtype, 'mime']\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\n_CASES = {1: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v1)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b1']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.1'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 2: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v2)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b2']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.2'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 3: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v3)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b3']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.3'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 4: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v4)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b4']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.4'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 5: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v5)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b5']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.5'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])]}\nfor _label, _args, _expected in _CASES[N]:\n    check(_label, solve(*_args), _expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"fixed":{"sha256":"a458d0d134b40c060e4dafc97f84c33c96b6b1d3d435bc3ce8165abf19cee949","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport re\nN = 1\nobservations = []\ndef solve(headers):\n    version = None\n    ctype = None\n    for name, value in headers:\n        key = name.strip().lower()\n        if key == 'mime-version' and version is None:\n            version = value\n        elif key == 'content-type' and ctype is None:\n            ctype = value\n    clean = re.sub(r'\\([^()]*\\)', '', version or '')\n    clean = ''.join(clean.split())\n    if clean != '1.0':\n        return ['text/plain', 'non-mime']\n    mtype = (ctype or 'text/plain').split(';')[0].strip().lower() or 'text/plain'\n    return [mtype, 'mime']\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\n_CASES = {1: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v1)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b1']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.1'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 2: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v2)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b2']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.2'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 3: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v3)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b3']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.3'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 4: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v4)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b4']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.4'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])], 5: [('empty first version header', ([['MIME-Version', ''], ['MIME-Version', '1.0'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('trailing comment', ([['Mime-Version', '1.0 (produced by MetaSend v5)'], ['Content-Type', 'Text/HTML; charset=utf-8']],), ['text/html', 'mime']), ('leading comment', ([['MIME-Version', '(generated) 1.0'], ['content-type', 'image/png']],), ['image/png', 'mime']), ('inner whitespace', ([['MIME-Version', '1 .\\t0'], ['Content-Type', 'multipart/mixed; boundary=b5']],), ['multipart/mixed', 'mime']), ('no version header', ([['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('other version', ([['MIME-Version', '1.5'], ['Content-Type', 'text/html']],), ['text/plain', 'non-mime']), ('empty content type', ([[' MIME-Version ', '1.0'], ['Content-Type', ' ; charset=x']],), ['text/plain', 'mime'])]}\nfor _label, _args, _expected in _CASES[N]:\n    check(_label, solve(*_args), _expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"Stipulated offline model over pre-parsed MIME dictionaries; not a conforming MIME parser, generator or mail client. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"w2-email_mime_structure-mime-version-gate-comment-removal","generated_at":"2026-09-29T14:49:19.942542+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Legacy messages without MIME-Version must not have their Content-Type honoured.","repair":"Use `clean = re.sub(r'\\([^()]*\\)', '', version or '')` for the comment removal decision and keep every other rule of the model unchanged.","root_cause":"The comment removal decision evaluates `clean = version or ''` where the contract requires `clean = re.sub(r'\\([^()]*\\)', '', version or '')`.","sha256":"3fc809837a896078c702f90135e675418fd83aff9d86354869fa0acac3f5a656","title":"Decide whether a message is interpreted as MIME: comment removal · case 01","variant":1,"variant_policy":"N selects a different enumerated fixture set (renamed identifiers, part counts and sizes); boundary fixtures recur across variants.","verification":{"attempt":{"elapsed_ms":39.279,"exit_code":1,"observations":[{"actual":["text/plain","non-mime"],"check":"empty first version header","expected":["text/plain","non-mime"],"passed":true},{"actual":["text/html","mime"],"check":"trailing comment","expected":["text/html","mime"],"passed":true},{"actual":["text/plain","non-mime"],"check":"leading comment","expected":["image/png","mime"],"passed":false},{"actual":["multipart/mixed","mime"],"check":"inner whitespace","expected":["multipart/mixed","mime"],"passed":true},{"actual":["text/plain","non-mime"],"check":"no version header","expected":["text/plain","non-mime"],"passed":true},{"actual":["text/plain","non-mime"],"check":"other version","expected":["text/plain","non-mime"],"passed":true},{"actual":["text/plain","mime"],"check":"empty content type","expected":["text/plain","mime"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"empty first version header\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"text/plain\", \"non-mime\"], \"passed\": true}, {\"check\": \"trailing comment\", \"actual\": [\"text/html\", \"mime\"], \"expected\": [\"text/html\", \"mime\"], \"passed\": true}, {\"check\": \"leading comment\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"image/png\", \"mime\"], \"passed\": false}, {\"check\": \"inner whitespace\", \"actual\": [\"multipart/mixed\", \"mime\"], \"expected\": [\"multipart/mixed\", \"mime\"], \"passed\": true}, {\"check\": \"no version header\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"text/plain\", \"non-mime\"], \"passed\": true}, {\"check\": \"other version\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"text/plain\", \"non-mime\"], \"passed\": true}, {\"check\": \"empty content type\", \"actual\": [\"text/plain\", \"mime\"], \"expected\": [\"text/plain\", \"mime\"], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":38.849,"exit_code":1,"observations":[{"actual":["text/plain","non-mime"],"check":"empty first version header","expected":["text/plain","non-mime"],"passed":true},{"actual":["text/plain","non-mime"],"check":"trailing comment","expected":["text/html","mime"],"passed":false},{"actual":["text/plain","non-mime"],"check":"leading comment","expected":["image/png","mime"],"passed":false},{"actual":["multipart/mixed","mime"],"check":"inner whitespace","expected":["multipart/mixed","mime"],"passed":true},{"actual":["text/plain","non-mime"],"check":"no version header","expected":["text/plain","non-mime"],"passed":true},{"actual":["text/plain","non-mime"],"check":"other version","expected":["text/plain","non-mime"],"passed":true},{"actual":["text/plain","mime"],"check":"empty content type","expected":["text/plain","mime"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"empty first version header\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"text/plain\", \"non-mime\"], \"passed\": true}, {\"check\": \"trailing comment\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"text/html\", \"mime\"], \"passed\": false}, {\"check\": \"leading comment\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"image/png\", \"mime\"], \"passed\": false}, {\"check\": \"inner whitespace\", \"actual\": [\"multipart/mixed\", \"mime\"], \"expected\": [\"multipart/mixed\", \"mime\"], \"passed\": true}, {\"check\": \"no version header\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"text/plain\", \"non-mime\"], \"passed\": true}, {\"check\": \"other version\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"text/plain\", \"non-mime\"], \"passed\": true}, {\"check\": \"empty content type\", \"actual\": [\"text/plain\", \"mime\"], \"expected\": [\"text/plain\", \"mime\"], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":37.738,"exit_code":0,"observations":[{"actual":["text/plain","non-mime"],"check":"empty first version header","expected":["text/plain","non-mime"],"passed":true},{"actual":["text/html","mime"],"check":"trailing comment","expected":["text/html","mime"],"passed":true},{"actual":["image/png","mime"],"check":"leading comment","expected":["image/png","mime"],"passed":true},{"actual":["multipart/mixed","mime"],"check":"inner whitespace","expected":["multipart/mixed","mime"],"passed":true},{"actual":["text/plain","non-mime"],"check":"no version header","expected":["text/plain","non-mime"],"passed":true},{"actual":["text/plain","non-mime"],"check":"other version","expected":["text/plain","non-mime"],"passed":true},{"actual":["text/plain","mime"],"check":"empty content type","expected":["text/plain","mime"],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"empty first version header\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"text/plain\", \"non-mime\"], \"passed\": true}, {\"check\": \"trailing comment\", \"actual\": [\"text/html\", \"mime\"], \"expected\": [\"text/html\", \"mime\"], \"passed\": true}, {\"check\": \"leading comment\", \"actual\": [\"image/png\", \"mime\"], \"expected\": [\"image/png\", \"mime\"], \"passed\": true}, {\"check\": \"inner whitespace\", \"actual\": [\"multipart/mixed\", \"mime\"], \"expected\": [\"multipart/mixed\", \"mime\"], \"passed\": true}, {\"check\": \"no version header\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"text/plain\", \"non-mime\"], \"passed\": true}, {\"check\": \"other version\", \"actual\": [\"text/plain\", \"non-mime\"], \"expected\": [\"text/plain\", \"non-mime\"], \"passed\": true}, {\"check\": \"empty content type\", \"actual\": [\"text/plain\", \"mime\"], \"expected\": [\"text/plain\", \"mime\"], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}