up to 7.3.884

up to 7.3.884

7.3.878  'fileignorecase' is missing in options window and quickref
7.3.879  aborting an ex command does not abort a pending operator
7.3.880  new viminfo history lines may be replacd with old lines
7.3.881  Python list does not work correctly
7.3.882  CursorHold may trigger after receiving the termresponse
7.3.883  (after 7.3.880) can't build with some combination of features
7.3.884  compiler warning for variable shadowing another