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events[index][1].start.offset ===\n              events[open][1].end.offset - events[open][1].start.offset\n          ) {\n            events[index][1].type = 'strikethroughSequence'\n            events[open][1].type = 'strikethroughSequence'\n\n            strikethrough = {\n              type: 'strikethrough',\n              start: shallow(events[open][1].start),\n              end: shallow(events[index][1].end)\n            }\n\n            text = {\n              type: 'strikethroughText',\n              start: shallow(events[open][1].end),\n              end: shallow(events[index][1].start)\n            }\n\n            // Opening.\n            nextEvents = [\n              ['enter', strikethrough, context],\n              ['enter', events[open][1], context],\n              ['exit', events[open][1], context],\n              ['enter', text, context]\n            ]\n\n            // Between.\n            chunkedSplice(\n              nextEvents,\n              nextEvents.length,\n              0,\n              resolveAll(\n                context.parser.constructs.insideSpan.null,\n                events.slice(open + 1, index),\n                context\n              )\n            )\n\n            // Closing.\n            chunkedSplice(nextEvents, nextEvents.length, 0, [\n              ['exit', text, context],\n              ['enter', events[index][1], context],\n              ['exit', events[index][1], context],\n              ['exit', strikethrough, context]\n            ])\n\n            chunkedSplice(events, open - 1, index - open + 3, nextEvents)\n\n            index = open + nextEvents.length - 2\n            break\n          }\n        }\n      }\n    }\n\n    return removeRemainingSequences(events)\n  }\n\n  function removeRemainingSequences(events) {\n    var index = -1\n    var length = events.length\n\n    while (++index < length) {\n      if (events[index][1].type === 'strikethroughSequenceTemporary') {\n        events[index][1].type = 'data'\n      }\n    }\n\n    return events\n  }\n\n  function tokenizeStrikethrough(effects, ok, nok) {\n    var previous = this.previous\n    var events = this.events\n    var size = 0\n\n    return start\n\n    function start(code) {\n      if (\n        code !== 126 ||\n        (previous === 126 &&\n          events[events.length - 1][1].type !== 'characterEscape')\n      ) {\n        return nok(code)\n      }\n\n      effects.enter('strikethroughSequenceTemporary')\n      return more(code)\n    }\n\n    function more(code) {\n      var before = classifyCharacter(previous)\n      var token\n      var after\n\n      if (code === 126) {\n        // If this is the third marker, exit.\n        if (size > 1) return nok(code)\n        effects.consume(code)\n        size++\n        return more\n      }\n\n      if (size < 2 && !single) return nok(code)\n      token = effects.exit('strikethroughSequenceTemporary')\n      after = classifyCharacter(code)\n      token._open = !after || (after === 2 && before)\n      token._close = !before || (before === 2 && after)\n      return ok(code)\n    }\n  }\n}\n"],"names":["module","exports","options","single","singleTilde","tokenizer","tokenize","effects","ok","nok","previous","this","events","size","start","code","length","type","enter","more","token","after","before","classifyCharacter","consume","exit","_open","_close","resolveAll","context","strikethrough","text","open","nextEvents","index","end","offset","shallow","chunkedSplice","parser","constructs","insideSpan","null","slice","removeRemainingSequences","undefined","require"],"sourceRoot":""}