input.equals(".%2e", ignoreCase = true) ||
        input.equals("%2e%2e", ignoreCase = true)
    }

    /**
     * Cuts this string up into alternating parameter names and values. This divides a query string
     * like `subject=math&easy&problem=5-2=3` into the list `["subject", "math", "easy", null,
     * "problem", "5-2=3"]`. Note that values may be null and may contain '=' characters.
     */

2CF4..2CF8    ; disallowed                             # NA   <reserved-2CF4>..<reserved-2CF8>
2CF9..2CFF    ; valid                  ;      ; NV8    # 4.1  COPTIC OLD NUBIAN FULL STOP..COPTIC MORPHOLOGICAL DIVIDER
2D00..2D25    ; valid                                  # 4.1  GEORGIAN SMALL LETTER AN..GEORGIAN SMALL LETTER HOE
2D26          ; disallowed                             # NA   <reserved-2D26>