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  1. or download this
      <tag#1>BLA</tag#1><tag#2>BLA</tag#1><tag#3>BLA</tag#1>
  2. or download this
      <tag#1>BLA</tag#1><tag#2>BLA</tag#2><tag#3>BLA</tag#3>
  3. or download this
    s{(<(\w+.*?)>[^<]*?)</.+?>}{$1</$2>}g
  4. or download this
     s/>\s*</>\n</g; # normalize whitespace between adjacent tags
 s/([^\n])</$1\n</g; # make sure every tag begins a new line
 s/>([^\n])/>\n$1/g; # make sure every tag is followed by newline