Method code for $english_lib.indef_article()

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  1: arg word;
  2: 
  3: if (word[1] in "aeiou" && !.vowel_exception(word) || .nonvowel_exception(word))
  4:     return "an";
  5: else
  6:     return "a";

// Created 11-Nov-1996 as a part of ColdCore, see: @help Credit

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