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In this code there are two lines which ideally should appear identical, but apparently there is some problem. I tried `{%1}͡{%2}`, `%1{͡}%2` and also `%1{}͡{}%2` instead of `%1\\relax ͡%2`. None of these seem to work. Is there any way to process such sequences correctly?


  function tiebarup ( s )
  s = unicode.utf8.gsub
  (s,'\\texttoptiebar{(.*)(.*)}','%1\\relax ͡%2')
  return s
  tiebarup, "tiebarup")

\texttoptiebar{\oe i}


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