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  1. Minecraft: Java Edition
  2. MC-173120

Lack of escape sequences of newlines prevents quoted strings from containing newlines in a function

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • None
    • 1.15.2, 20w08a, 20w09a, 20w10a, 20w11a, 20w12a, 20w14a, 20w16a, 20w17a, 20w18a, 20w20b, 1.16 Pre-release 5, 1.16.1, 1.16.2 Pre-release 1, 1.16.2, 1.16.3, 1.16.4 Pre-release 1, 1.16.4, 20w45a, 20w46a, 20w48a, 20w49a, 20w51a, 21w03a, 1.16.5, 21w10a, 21w11a, 21w13a, 21w15a, 21w16a, 21w19a, 1.17 Pre-release 1, 1.17, 1.17.1, 21w37a, 1.18.1, 22w03a, 1.18.2 Pre-release 1, 1.18.2, 22w11a, 22w12a, 1.19.1, 1.19.2, 1.19.3 Release Candidate 1, 1.19.3, 23w03a, 23w05a, 1.19.4, 23w18a, 1.20.1, 23w31a, 1.20.2, 23w42a, 24w03a, 24w04a
    • Confirmed
    • Commands

      The bug

      Though quoted strings in commands do not allow escape sequences except for backslash, \"(for double-quoted strings) and \'(for single-quoted strings), they can still contain control characters by embedding them directly and can represent any string in a command block.

      However, this does not hold in a function since line feed (U+000A) and carriage return (U+000D) work as a command separator. Valid contents of quoted strings vary with the context: /.*/ in a command block and /[^\n\r]*/ in a function, in regex.

      This inconsistency will be resolved by adding escape sequences of newlines.

      Affected commands

      • /datapack enable "\n"

        Invalid escape sequence '\n' in quoted string ... enable "\n"<--[HERE]

      • /data modify storage _ _ set value "\r"

         Invalid escape sequence '\r' in quoted string ...t value "\r"<--[HERE]

            Unassigned Unassigned
            intsuc intsuc
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              Created:
              Updated:
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