Method code for $string.unquote()

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---

  1: arg str;
  2: 
  3: if (str && str[1] == "\"" && str[str.length()] == "\"")
  4:     return str.subrange(2, str.length() - 2);
  5: return str;

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// Created 27-Mar-1995 as a part of ColdCore, see: @help Credit