{"abstract":"Text after an inner PDI is treated as outside all isolates.","category":"Bidirectional text layout","checks":8,"contract":"Input [bidi classes, default level]. Scan for the first L (level 0) or R/AL (level 1), skipping characters between an isolate initiator (LRI, RLI, FSI) and its matching PDI (nesting counted; an unmatched PDI is ignored). Embedding codes are not skipped. Return [level, index of deciding character] or [default, None].","evaluation_group":"w2-bidirectional-text-layout-paragraph-direction","failed_approach":"Incrementing but zeroing on every PDI still breaks nesting.","family":"w2-bidirectional-text-layout-paragraph-direction-nested-isolate-depth","id":"FA-80361","implementations":{"attempt":{"sha256":"efe2d8a51ebe66c7935bde9f76287bc92a9e3168a7841d1b6c52420334ec63bd","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    classes, default = x\n    depth = 0\n    for i, c in enumerate(classes):\n        if c in ('LRI', 'RLI', 'FSI'):\n            depth += 1\n        elif c == 'PDI':\n            depth = 0\n        elif depth == 0:\n            if c == 'L':\n                return [0, i]\n            if c in ('R', 'AL'):\n                return [1, i]\n    return [default, None]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('nested isolates', [['LRI', 'RLI', 'R', 'PDI', 'L', 'PDI', 'R'], 0], [1, 6]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['LRI', 'WS', 'RLI', 'AN', 'PDI', 'AN', 'R', 'LRE', 'ES', 'L'], 1], [1, None]), ('regression: nested isolate depth', [['LRI', 'EN', 'AN', 'LRI', 'RLI', 'AL', 'R', 'AN', 'PDI', 'R'], 1], [1, None]), ('FSI content skipped', [['FSI', 'R', 'PDI', 'L'], 1], [0, 3]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('control layout', [['WS', 'L', 'EN', 'WS', 'EN'], 1], [0, 1]), ('control layout', [['FSI', 'EN', 'PDI', 'RLI'], 1], [1, None])], [('regression: nested isolate depth', [['WS', 'LRI', 'FSI', 'PDI', 'R', 'LRE'], 1], [1, None]), ('regression: nested isolate depth', [['FSI', 'RLI', 'AL', 'LRE', 'LRI', 'PDI', 'AL', 'L'], 1], [1, None]), ('regression: nested isolate depth', [['EN', 'ES', 'LRI', 'WS', 'WS', 'FSI', 'PDI', 'AL'], 1], [1, None]), ('regression: nested isolate depth', [['LRI', 'EN', 'AN', 'LRI', 'RLI', 'AL', 'R', 'AN', 'PDI', 'R'], 1], [1, None]), ('numbers are not strong', [['EN', 'ON', 'R'], 0], [1, 2]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('control layout', [['RLI', 'AL', 'L', 'L', 'LRE'], 1], [1, None]), ('control layout', [['ON', 'WS'], 1], [1, None])], [('regression: nested isolate depth', [['ON', 'RLI', 'ON', 'LRI', 'AL', 'PDI', 'L', 'NSM'], 0], [0, None]), ('regression: nested isolate depth', [['FSI', 'RLI', 'AL', 'LRE', 'LRI', 'PDI', 'AL', 'L'], 1], [1, None]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['WS', 'LRI', 'FSI', 'PDI', 'R', 'LRE'], 1], [1, None]), ('Arabic letter decides', [['ON', 'AL', 'L'], 0], [1, 1]), ('FSI content skipped', [['FSI', 'R', 'PDI', 'L'], 1], [0, 3]), ('control layout', [['LRI', 'RLI', 'AN', 'WS'], 1], [1, None]), ('control layout', [['AL', 'PDI', 'ON', 'R', 'ON', 'EN', 'LRE', 'NSM', 'R', 'R'], 1], [1, 0])], [('regression: nested isolate depth', [['LRI', 'WS', 'RLI', 'AN', 'PDI', 'AN', 'R', 'LRE', 'ES', 'L'], 1], [1, None]), ('nested isolates', [['LRI', 'RLI', 'R', 'PDI', 'L', 'PDI', 'R'], 0], [1, 6]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['EN', 'ES', 'LRI', 'WS', 'WS', 'FSI', 'PDI', 'AL'], 1], [1, None]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('Arabic letter decides', [['ON', 'AL', 'L'], 0], [1, 1]), ('control layout', [['ES', 'PDI', 'R', 'LRI', 'EN', 'PDI', 'AN', 'WS', 'RLI'], 0], [1, 2]), ('control layout', [['R', 'RLI', 'PDI', 'RLI', 'PDI', 'FSI', 'PDI', 'RLI', 'R'], 1], [1, 0])], [('nested isolates', [['LRI', 'RLI', 'R', 'PDI', 'L', 'PDI', 'R'], 0], [1, 6]), ('regression: nested isolate depth', [['ON', 'RLI', 'ON', 'LRI', 'AL', 'PDI', 'L', 'NSM'], 0], [0, None]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['FSI', 'RLI', 'AL', 'LRE', 'LRI', 'PDI', 'AL', 'L'], 1], [1, None]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('numbers are not strong', [['EN', 'ON', 'R'], 0], [1, 2]), ('control layout', [['AN', 'L', 'PDI', 'AL', 'R', 'WS', 'EN', 'RLI', 'WS'], 1], [0, 1]), ('control layout', [['LRI'], 0], [0, None])]]\nfor label, args, expected in fixtures[N - 1]:\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":"7f33ef99be397361a860f3b7496c51c9fc4e5a62c4a0c1668de9a16d3b2c167f","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    classes, default = x\n    depth = 0\n    for i, c in enumerate(classes):\n        if c in ('LRI', 'RLI', 'FSI'):\n            depth = 1\n        elif c == 'PDI':\n            if depth > 0:\n                depth -= 1\n        elif depth == 0:\n            if c == 'L':\n                return [0, i]\n            if c in ('R', 'AL'):\n                return [1, i]\n    return [default, None]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('nested isolates', [['LRI', 'RLI', 'R', 'PDI', 'L', 'PDI', 'R'], 0], [1, 6]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['LRI', 'WS', 'RLI', 'AN', 'PDI', 'AN', 'R', 'LRE', 'ES', 'L'], 1], [1, None]), ('regression: nested isolate depth', [['LRI', 'EN', 'AN', 'LRI', 'RLI', 'AL', 'R', 'AN', 'PDI', 'R'], 1], [1, None]), ('FSI content skipped', [['FSI', 'R', 'PDI', 'L'], 1], [0, 3]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('control layout', [['WS', 'L', 'EN', 'WS', 'EN'], 1], [0, 1]), ('control layout', [['FSI', 'EN', 'PDI', 'RLI'], 1], [1, None])], [('regression: nested isolate depth', [['WS', 'LRI', 'FSI', 'PDI', 'R', 'LRE'], 1], [1, None]), ('regression: nested isolate depth', [['FSI', 'RLI', 'AL', 'LRE', 'LRI', 'PDI', 'AL', 'L'], 1], [1, None]), ('regression: nested isolate depth', [['EN', 'ES', 'LRI', 'WS', 'WS', 'FSI', 'PDI', 'AL'], 1], [1, None]), ('regression: nested isolate depth', [['LRI', 'EN', 'AN', 'LRI', 'RLI', 'AL', 'R', 'AN', 'PDI', 'R'], 1], [1, None]), ('numbers are not strong', [['EN', 'ON', 'R'], 0], [1, 2]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('control layout', [['RLI', 'AL', 'L', 'L', 'LRE'], 1], [1, None]), ('control layout', [['ON', 'WS'], 1], [1, None])], [('regression: nested isolate depth', [['ON', 'RLI', 'ON', 'LRI', 'AL', 'PDI', 'L', 'NSM'], 0], [0, None]), ('regression: nested isolate depth', [['FSI', 'RLI', 'AL', 'LRE', 'LRI', 'PDI', 'AL', 'L'], 1], [1, None]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['WS', 'LRI', 'FSI', 'PDI', 'R', 'LRE'], 1], [1, None]), ('Arabic letter decides', [['ON', 'AL', 'L'], 0], [1, 1]), ('FSI content skipped', [['FSI', 'R', 'PDI', 'L'], 1], [0, 3]), ('control layout', [['LRI', 'RLI', 'AN', 'WS'], 1], [1, None]), ('control layout', [['AL', 'PDI', 'ON', 'R', 'ON', 'EN', 'LRE', 'NSM', 'R', 'R'], 1], [1, 0])], [('regression: nested isolate depth', [['LRI', 'WS', 'RLI', 'AN', 'PDI', 'AN', 'R', 'LRE', 'ES', 'L'], 1], [1, None]), ('nested isolates', [['LRI', 'RLI', 'R', 'PDI', 'L', 'PDI', 'R'], 0], [1, 6]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['EN', 'ES', 'LRI', 'WS', 'WS', 'FSI', 'PDI', 'AL'], 1], [1, None]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('Arabic letter decides', [['ON', 'AL', 'L'], 0], [1, 1]), ('control layout', [['ES', 'PDI', 'R', 'LRI', 'EN', 'PDI', 'AN', 'WS', 'RLI'], 0], [1, 2]), ('control layout', [['R', 'RLI', 'PDI', 'RLI', 'PDI', 'FSI', 'PDI', 'RLI', 'R'], 1], [1, 0])], [('nested isolates', [['LRI', 'RLI', 'R', 'PDI', 'L', 'PDI', 'R'], 0], [1, 6]), ('regression: nested isolate depth', [['ON', 'RLI', 'ON', 'LRI', 'AL', 'PDI', 'L', 'NSM'], 0], [0, None]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['FSI', 'RLI', 'AL', 'LRE', 'LRI', 'PDI', 'AL', 'L'], 1], [1, None]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('numbers are not strong', [['EN', 'ON', 'R'], 0], [1, 2]), ('control layout', [['AN', 'L', 'PDI', 'AL', 'R', 'WS', 'EN', 'RLI', 'WS'], 1], [0, 1]), ('control layout', [['LRI'], 0], [0, None])]]\nfor label, args, expected in fixtures[N - 1]:\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":"c57985c89ceca0b6c5d7fee485350ef497f0fc351887693bfe08ece446a60d6d","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\n\nN = 1\nobservations = []\ndef solve(x):\n    classes, default = x\n    depth = 0\n    for i, c in enumerate(classes):\n        if c in ('LRI', 'RLI', 'FSI'):\n            depth += 1\n        elif c == 'PDI':\n            if depth > 0:\n                depth -= 1\n        elif depth == 0:\n            if c == 'L':\n                return [0, i]\n            if c in ('R', 'AL'):\n                return [1, i]\n    return [default, None]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('nested isolates', [['LRI', 'RLI', 'R', 'PDI', 'L', 'PDI', 'R'], 0], [1, 6]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['LRI', 'WS', 'RLI', 'AN', 'PDI', 'AN', 'R', 'LRE', 'ES', 'L'], 1], [1, None]), ('regression: nested isolate depth', [['LRI', 'EN', 'AN', 'LRI', 'RLI', 'AL', 'R', 'AN', 'PDI', 'R'], 1], [1, None]), ('FSI content skipped', [['FSI', 'R', 'PDI', 'L'], 1], [0, 3]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('control layout', [['WS', 'L', 'EN', 'WS', 'EN'], 1], [0, 1]), ('control layout', [['FSI', 'EN', 'PDI', 'RLI'], 1], [1, None])], [('regression: nested isolate depth', [['WS', 'LRI', 'FSI', 'PDI', 'R', 'LRE'], 1], [1, None]), ('regression: nested isolate depth', [['FSI', 'RLI', 'AL', 'LRE', 'LRI', 'PDI', 'AL', 'L'], 1], [1, None]), ('regression: nested isolate depth', [['EN', 'ES', 'LRI', 'WS', 'WS', 'FSI', 'PDI', 'AL'], 1], [1, None]), ('regression: nested isolate depth', [['LRI', 'EN', 'AN', 'LRI', 'RLI', 'AL', 'R', 'AN', 'PDI', 'R'], 1], [1, None]), ('numbers are not strong', [['EN', 'ON', 'R'], 0], [1, 2]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('control layout', [['RLI', 'AL', 'L', 'L', 'LRE'], 1], [1, None]), ('control layout', [['ON', 'WS'], 1], [1, None])], [('regression: nested isolate depth', [['ON', 'RLI', 'ON', 'LRI', 'AL', 'PDI', 'L', 'NSM'], 0], [0, None]), ('regression: nested isolate depth', [['FSI', 'RLI', 'AL', 'LRE', 'LRI', 'PDI', 'AL', 'L'], 1], [1, None]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['WS', 'LRI', 'FSI', 'PDI', 'R', 'LRE'], 1], [1, None]), ('Arabic letter decides', [['ON', 'AL', 'L'], 0], [1, 1]), ('FSI content skipped', [['FSI', 'R', 'PDI', 'L'], 1], [0, 3]), ('control layout', [['LRI', 'RLI', 'AN', 'WS'], 1], [1, None]), ('control layout', [['AL', 'PDI', 'ON', 'R', 'ON', 'EN', 'LRE', 'NSM', 'R', 'R'], 1], [1, 0])], [('regression: nested isolate depth', [['LRI', 'WS', 'RLI', 'AN', 'PDI', 'AN', 'R', 'LRE', 'ES', 'L'], 1], [1, None]), ('nested isolates', [['LRI', 'RLI', 'R', 'PDI', 'L', 'PDI', 'R'], 0], [1, 6]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['EN', 'ES', 'LRI', 'WS', 'WS', 'FSI', 'PDI', 'AL'], 1], [1, None]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('Arabic letter decides', [['ON', 'AL', 'L'], 0], [1, 1]), ('control layout', [['ES', 'PDI', 'R', 'LRI', 'EN', 'PDI', 'AN', 'WS', 'RLI'], 0], [1, 2]), ('control layout', [['R', 'RLI', 'PDI', 'RLI', 'PDI', 'FSI', 'PDI', 'RLI', 'R'], 1], [1, 0])], [('nested isolates', [['LRI', 'RLI', 'R', 'PDI', 'L', 'PDI', 'R'], 0], [1, 6]), ('regression: nested isolate depth', [['ON', 'RLI', 'ON', 'LRI', 'AL', 'PDI', 'L', 'NSM'], 0], [0, None]), ('regression: nested isolate depth', [['LRI', 'ON', 'RLI', 'L', 'PDI', 'AL', 'R', 'WS'], 0], [0, None]), ('regression: nested isolate depth', [['FSI', 'RLI', 'AL', 'LRE', 'LRI', 'PDI', 'AL', 'L'], 1], [1, None]), ('stray PDI before isolate', [['PDI', 'RLI', 'L', 'PDI', 'R'], 0], [1, 4]), ('numbers are not strong', [['EN', 'ON', 'R'], 0], [1, 2]), ('control layout', [['AN', 'L', 'PDI', 'AL', 'R', 'WS', 'EN', 'RLI', 'WS'], 1], [0, 1]), ('control layout', [['LRI'], 0], [0, None])]]\nfor label, args, expected in fixtures[N - 1]:\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":"A deterministic toy bidi model over stipulated class labels and integer levels; it is inspired by, but does not claim conformance to, any published algorithm. 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-bidirectional-text-layout-paragraph-direction-nested-isolate-depth","generated_at":"2026-09-29T14:49:53.108587+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Mixed right-to-left and left-to-right text must resolve levels and visual order exactly, or words, numbers and carets land in the wrong place.","repair":"Increment the depth for every initiator.","root_cause":"Opening an isolate sets depth to 1 instead of incrementing it.","sha256":"6e3e682d53a146394ace5ce73f2fe1923e46f99d5583c5d7dfd38200f4ca4299","title":"First-strong paragraph direction: nested isolate depth · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":39.95,"exit_code":1,"observations":[{"actual":[0,4],"check":"nested isolates","expected":[1,6],"passed":false},{"actual":[1,5],"check":"regression: nested isolate depth","expected":[0,null],"passed":false},{"actual":[1,6],"check":"regression: nested isolate depth","expected":[1,null],"passed":false},{"actual":[1,9],"check":"regression: nested isolate depth","expected":[1,null],"passed":false},{"actual":[0,3],"check":"FSI content skipped","expected":[0,3],"passed":true},{"actual":[1,4],"check":"stray PDI before isolate","expected":[1,4],"passed":true},{"actual":[0,1],"check":"control layout","expected":[0,1],"passed":true},{"actual":[1,null],"check":"control layout","expected":[1,null],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"nested isolates\", \"actual\": [0, 4], \"expected\": [1, 6], \"passed\": false}, {\"check\": \"regression: nested isolate depth\", \"actual\": [1, 5], \"expected\": [0, null], \"passed\": false}, {\"check\": \"regression: nested isolate depth\", \"actual\": [1, 6], \"expected\": [1, null], \"passed\": false}, {\"check\": \"regression: nested isolate depth\", \"actual\": [1, 9], \"expected\": [1, null], \"passed\": false}, {\"check\": \"FSI content skipped\", \"actual\": [0, 3], \"expected\": [0, 3], \"passed\": true}, {\"check\": \"stray PDI before isolate\", \"actual\": [1, 4], \"expected\": [1, 4], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [0, 1], \"expected\": [0, 1], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [1, null], \"expected\": [1, null], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":40.267,"exit_code":1,"observations":[{"actual":[0,4],"check":"nested isolates","expected":[1,6],"passed":false},{"actual":[1,5],"check":"regression: nested isolate depth","expected":[0,null],"passed":false},{"actual":[1,6],"check":"regression: nested isolate depth","expected":[1,null],"passed":false},{"actual":[1,9],"check":"regression: nested isolate depth","expected":[1,null],"passed":false},{"actual":[0,3],"check":"FSI content skipped","expected":[0,3],"passed":true},{"actual":[1,4],"check":"stray PDI before isolate","expected":[1,4],"passed":true},{"actual":[0,1],"check":"control layout","expected":[0,1],"passed":true},{"actual":[1,null],"check":"control layout","expected":[1,null],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"nested isolates\", \"actual\": [0, 4], \"expected\": [1, 6], \"passed\": false}, {\"check\": \"regression: nested isolate depth\", \"actual\": [1, 5], \"expected\": [0, null], \"passed\": false}, {\"check\": \"regression: nested isolate depth\", \"actual\": [1, 6], \"expected\": [1, null], \"passed\": false}, {\"check\": \"regression: nested isolate depth\", \"actual\": [1, 9], \"expected\": [1, null], \"passed\": false}, {\"check\": \"FSI content skipped\", \"actual\": [0, 3], \"expected\": [0, 3], \"passed\": true}, {\"check\": \"stray PDI before isolate\", \"actual\": [1, 4], \"expected\": [1, 4], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [0, 1], \"expected\": [0, 1], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [1, null], \"expected\": [1, null], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":43.52,"exit_code":0,"observations":[{"actual":[1,6],"check":"nested isolates","expected":[1,6],"passed":true},{"actual":[0,null],"check":"regression: nested isolate depth","expected":[0,null],"passed":true},{"actual":[1,null],"check":"regression: nested isolate depth","expected":[1,null],"passed":true},{"actual":[1,null],"check":"regression: nested isolate depth","expected":[1,null],"passed":true},{"actual":[0,3],"check":"FSI content skipped","expected":[0,3],"passed":true},{"actual":[1,4],"check":"stray PDI before isolate","expected":[1,4],"passed":true},{"actual":[0,1],"check":"control layout","expected":[0,1],"passed":true},{"actual":[1,null],"check":"control layout","expected":[1,null],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"nested isolates\", \"actual\": [1, 6], \"expected\": [1, 6], \"passed\": true}, {\"check\": \"regression: nested isolate depth\", \"actual\": [0, null], \"expected\": [0, null], \"passed\": true}, {\"check\": \"regression: nested isolate depth\", \"actual\": [1, null], \"expected\": [1, null], \"passed\": true}, {\"check\": \"regression: nested isolate depth\", \"actual\": [1, null], \"expected\": [1, null], \"passed\": true}, {\"check\": \"FSI content skipped\", \"actual\": [0, 3], \"expected\": [0, 3], \"passed\": true}, {\"check\": \"stray PDI before isolate\", \"actual\": [1, 4], \"expected\": [1, 4], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [0, 1], \"expected\": [0, 1], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [1, null], \"expected\": [1, null], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}