Set hidden option.

Remember the undo list for a buffer which was abandoned.

diff --git a/.vimrc b/.vimrc
index 1886971..19d9e77 100644 (file)
--- a/.vimrc
+++ b/.vimrc
@@ -67,6 +67,9 @@ se tags=~/.tags,./tags,tags
 " Don't timeout waiting to interpet, eg, <ESC>OA as an escape code.
 se ttimeoutlen=100
 
+" Remember undo list for closed (but not wiped) buffers.
+se hidden
+
 " Use ^B to search backward when completing.
 inoremap <C-b> <C-p>
 " Use ^L to show matching completions but don't select one.