Fossil

    if( p->rDate<=0.0 ) SYNTAX("date missing on tag");
    if( p->nParent>0 ) SYNTAX("P-card on tag");
    if( p->zWikiTitle ) SYNTAX("L-card on tag");
    if( p->zTicketUuid ) SYNTAX("K-card in tag");
    if( p->zAttachName ) SYNTAX("A-card in tag");
    if( p->zMimetype ) SYNTAX("N-card in tag");
    if( !seenZ ) SYNTAX("missing Z-card on tag");
    for(i=0; i<p->nTag; i++){
      if( p->aTag[i].zUuid==0 ) SYNTAX("self-referential T-card in tag");
    }
    p->type = CFTYPE_CONTROL;
  }else if( p->zAttachName ){
    if( p->nCChild>0 ) SYNTAX("M-card in attachment");
    if( p->rDate<=0.0 ) SYNTAX("missing date in attachment");
    if( p->zTicketUuid ) SYNTAX("K-card in attachment");
    if( p->zWikiTitle ) SYNTAX("L-card in attachment");
    if( !seenZ ) SYNTAX("missing Z-card on attachment");