diff --git a/codemirror/codemirror.d.ts b/codemirror/codemirror.d.ts
index d4e3f4937e..e20cc59ad6 100644
--- a/codemirror/codemirror.d.ts
+++ b/codemirror/codemirror.d.ts
@@ -791,10 +791,16 @@ declare module CodeMirror {
         This is mostly useful for text - replacement widgets that need to 'snap open' when the user tries to edit them.
         The "clear" event fired on the range handle can be used to be notified when this happens. */
         clearOnEnter?: boolean;
+
+        /** Determines whether the mark is automatically cleared when it becomes empty. Default is true. */
+        clearWhenEmpty: boolean;
         
         /** Use a given node to display this range.Implies both collapsed and atomic.
         The given DOM node must be an inline element(as opposed to a block element). */
         replacedWith?: HTMLElement;
+
+        /** When replacedWith is given, this determines whether the editor will capture mouse and drag events occurring in this widget. Default is false—the events will be left alone for the default browser handler, or specific handlers on the widget, to capture. */
+        handleMouseEvents: boolean;
         
         /** A read - only span can, as long as it is not cleared, not be modified except by calling setValue to reset the whole document.
         Note: adding a read - only span currently clears the undo history of the editor,
@@ -809,13 +815,16 @@ declare module CodeMirror {
         
         /** Equivalent to startStyle, but for the rightmost span. */
         endStyle?: string;
+
+        /** A string of CSS to be applied to the covered text. For example "color: #fe3". */
+        css?: string;
+
+        /** When given, will give the nodes created for this span a HTML title attribute with the given value. */
+        title: string;
         
         /** When the target document is linked to other documents, you can set shared to true to make the marker appear in all documents.
         By default, a marker appears only in its target document. */
         shared?: boolean;
-
-        /** A string of CSS to be applied to the covered text. For example "color: #fe3". */
-        css?: string;
     }
     
     interface StringStream {