+ }elsif($char_sub=&get_char_attribute($char,'<-subsumptive')){
+ $char_sub=~s/[? ()]//g;
+ $chars=&get_char_attribute($char_sub,'->subsumptive');
+ @chars=grep {not /^$char$/} (split(/\s*\?/,$chars));
+ push(@chars,$char_sub);
+ return @chars;
+ }else{
+ return ();