minor upstream update. please signoff.

-Andy

Changes in version 1.4:


* The undo command has been fixed to restore the modified status of the
 buffer being edited.

* A race condition with user interrupt has been fixed in
 search_and_replace.

* The functions resize_line_buffer and resize_undo_buffer have been
 added to definitively fix the aliasing warnings.

 * Some minor corrections have been made to the manual.