40     update(top, bottom) {  argument
52         if (bottom !== null)
53             endline = bottom.startline-1;
60         this.matcher.onAjax (top, bottom, startline, endline);
72             const bottom = editor.getLineRect(match.endline).bottom;
73             match.scroll = {top:top, bottom:bottom};  property
105                     match.scroll.bottom += shift; 
152             const bottom = editor.getLineRect(match.endline).bottom;
153             match.scroll = {top:top, bottom:bottom};  property
166             const bottom = editor.getLineRect(match.endline).bottom;
169             element.style.height = (match.scroll.bottom - match.scroll.top)+'px';