["html", ["p", "These should all get escaped:"],
    ["p", "Backslash: \\"],
    ["p", "Backtick: `"],
    ["p", "Asterisk: *"],
    ["p", "Underscore: _"],
    ["p", "Left brace: {"],
    ["p", "Right brace: }"],
    ["p", "Left bracket: ["],
    ["p", "Right bracket: ]"],
    ["p", "Left paren: ("],
    ["p", "Right paren: )"],
    ["p", "Greater-than: >"],
    ["p", "Hash: #"],
    ["p", "Period: ."],
    ["p", "Bang: !"],
    ["p", "Plus: +"],
    ["p", "Minus: -"],
    ["p", "These should not, because they occur within a code block:"],
    ["pre", ["code", "Backslash: \\\\\u000a\u000aBacktick: \\`\u000a\u000aAsterisk: \\*\u000a\u000aUnderscore: \\_\u000a\u000aLeft brace: \\{\u000a\u000aRight brace: \\}\u000a\u000aLeft bracket: \\[\u000a\u000aRight bracket: \\]\u000a\u000aLeft paren: \\(\u000a\u000aRight paren: \\)\u000a\u000aGreater-than: \\>\u000a\u000aHash: \\#\u000a\u000aPeriod: \\.\u000a\u000aBang: \\!\u000a\u000aPlus: \\+\u000a\u000aMinus: \\-\u000a"]],
    ["p", "Nor should these, which occur in code spans:"],
    ["p", "Backslash: ", ["code", "\\\\"]],
    ["p", "Backtick: ", ["code", "\\`"]],
    ["p", "Asterisk: ", ["code", "\\*"]],
    ["p", "Underscore: ", ["code", "\\_"]],
    ["p", "Left brace: ", ["code", "\\{"]],
    ["p", "Right brace: ", ["code", "\\}"]],
    ["p", "Left bracket: ", ["code", "\\["]],
    ["p", "Right bracket: ", ["code", "\\]"]],
    ["p", "Left paren: ", ["code", "\\("]],
    ["p", "Right paren: ", ["code", "\\)"]],
    ["p", "Greater-than: ", ["code", "\\>"]],
    ["p", "Hash: ", ["code", "\\#"]],
    ["p", "Period: ", ["code", "\\."]],
    ["p", "Bang: ", ["code", "\\!"]],
    ["p", "Plus: ", ["code", "\\+"]],
    ["p", "Minus: ", ["code", "\\-"]],
    ["p", "These should get escaped, even though they're matching pairs for\u000aother Markdown constructs:"],
    ["p", "*asterisks*"],
    ["p", "_underscores_"],
    ["p", "`backticks`"],
    ["p", "This is a code span with a literal backslash-backtick sequence: ", ["code", "\\`"]],
    ["p", "This is a tag with unescaped backticks ", ["span", {
        "attr": "`ticks`"
    },
    "bar"], "."],
    ["p", "This is a tag with backslashes ", ["span", {
        "attr": "\\\\backslashes\\\\"
    },
    "bar"], "."]]