public boolean displayTopicFromNames(String[] names){
  if (names.length == 0)   return displayTopic(DEFAULT);
 else {
    StringBuffer helpName=new StringBuffer();
    for (    String name : names) {
      if (helpName.length() > 0)       helpName.append("_");
      helpName.append(name);
    }
    return displayTopic(helpName.toString());
  }
}

public boolean displayTopicFromNames ( String [ ] names ) { if ( names . length == 0 ) return displayTopic ( DEFAULT ) ; else { StringBuffer helpName = new StringBuffer ( ) ; for ( String name : names ) { if ( helpName . length ( ) > 0 ) helpName . append ( "_" ) ; helpName . append ( name ) ; } return displayTopic ( helpName . toString ( ) ) ; } }
display help for a topic . the topic consists of one or more strings . to locate the corresponding file , we lower case the strings , connect them by " _ " characters , and add the help file suffix .
