98   my @substrings = ($content, $datastring);
    102   return \@substrings unless ($stringlength);   
    105   return \@substrings if ($openposition == -1);
    121   @substrings = ($content, $datastring);
    122   return \@substrings if ($dataname eq '__data__'); # return content and data as strings
    123   return \@substrings if ($dataname eq '__content__'); # return content and data as strings
    124   return \@substrings unless length($datastring); # no reason to process empty datastring
    130     @substrings = ($content, '');
    131     return \@substrings;
    144   @substrings = ($content, $datastring);
    145   return \@substrings;