public void setComments(String tag, List<String> comments) {
        String nt = normaliseTag(tag);
        if(this.comments.containsKey(nt)) {
            this.comments.remove(nt);
        }
        this.comments.put(nt, comments);
    }
public void setComments ( String tag , List < String > comments ) { String nt = normaliseTag ( tag ) ; if ( this . comments . containsKey ( nt ) ) { this . comments . remove ( nt ) ; } this . comments . put ( nt , comments ) ; }
Removes any existing comments for a given tag,
and replaces them with the supplied list