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  1. or download this
      DB<28> p $str1 = "\x{41}"         # interpolation
    A
    ...
      DB<30> p $str2 = '\\x{41}'        # literal but escaping escaping \
    \x{41}
    
  2. or download this
    \x{ 263A }          Same, but shows optional blanks inside and
                        adjoining the braces
    
  3. or download this
      DB<31> p " \x{ 41 } "
     ^@