Function            popup_restore - restore video from a popup menu

  Syntax              void popup_restore(struct popup_header *ph);

  Prototype in        menuhk.h

  Remarks             restores the display overlaid by a popup menu and
                      appropriate display information.

                      This function is used internally by several
                      popup...() menu functions.

  Return value        nothing.

  Note                This function is for internal uses only.

  See also            menuhk.h
                      isHiliteable(), menu_popup(), popup_alloc(),
                      popup_free(), popup_get(), popup_setcurrent(),
                      pophilite(), popunlite()
                      popuperrno