MagickExport MagickBooleanType IsStringTrue(const char *value)
{
  if (value == (const char *) NULL)
    return(MagickFalse);
  if (LocaleCompare(value,"true") == 0)
    return(MagickTrue);
  if (LocaleCompare(value,"on") == 0)
    return(MagickTrue);
  if (LocaleCompare(value,"yes") == 0)
    return(MagickTrue);
  if (LocaleCompare(value,"1") == 0)
    return(MagickTrue);
  return(MagickFalse);
}
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