+Whenever the user closes a (tabbed) view on a document, either by
+clicking on the tab close button, or by using the File->Close menu,
+LyX now closes exclusively that specific view. If there are other
+views showing the same document, they are not closed. When the user
+closes the last view, LyX can be configured for either closing the
+document, or keeping it into memory as a hidden document (that can be
+shown again through the View->Hidden-> submenu).
+
+A new configurable preference option has been added, allowing for either
+(close_buffer_with_last_view)
+