add viminfo to allow copy more than 50 lines

Author: leafwind

.vimrc

@@ -86,7 +86,7 @@ set cursorline " display line of current cursor
 
 set laststatus=2 " expand status line to height of 2
 set statusline=%4*%<\%m%<[%f\%r%h%w]\ [%{&ff},%{&fileencoding},%Y]%=\[Position=%l,%v,%p%%]
-
+set viminfo='100,<1000,s100,h
 
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