Fossil

    case TAG_USER: {
      zCol = "euser";
      break;
    }
  }
  if( zCol ){
    db_multi_exec("UPDATE event SET %s=%Q WHERE objid=%d", zCol, zValue, rid);
    if( tagid==TAG_COMMENT ){
      char *zCopy = mprintf("%s", zValue);
      wiki_extract_links(zCopy, rid, 0, mtime, 1, WIKI_INLINE);
      free(zCopy);
    }
  }
  if( tagid==TAG_DATE ){
    db_multi_exec("UPDATE event SET mtime=julianday(%Q) WHERE objid=%d",
                  zValue, rid);
  }
  if( tagtype==0 || tagtype==2 ){
    tag_propagate(rid, tagid, tagtype, rid, zValue, mtime);