vim: resize splits with mouse

.vimrc

@@ -96,6 +96,9 @@ set wrap linebreak
 syntax on
 " aktiviere maus nur im normalmode
 set mouse=a
+" vergrößere/verkleinere splits mit der maus
+" https://vi.stackexchange.com/questions/514/how-do-i-change-the-current-splits-width-and-height
+:set ttymouse=xterm2
 " https://unix.stackexchange.com/questions/12535/how-to-copy-text-from-vim-to-an-external-program
 set clipboard=unnamedplus
 " zeige "matching" klammer usw.