Mercurial > vim
diff runtime/doc/undo.txt @ 2249:6d3d35ff2c2b vim73
Use full path in undofile(). Updated docs.
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Sat, 05 Jun 2010 17:43:32 +0200 |
| parents | 732cb7b31956 |
| children | 646d34788036 |
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--- a/runtime/doc/undo.txt +++ b/runtime/doc/undo.txt @@ -314,6 +314,16 @@ The number of changes that are remembere If it is zero, the Vi-compatible way is always used. If it is negative no undo is possible. Use this if you are running out of memory. + *clear-undo* +When you set 'undolevels' to -1 the undo information is not immediately +cleared, this happens at the next change. To force clearing the undo +information you can use these commands: > + :let old_undolevels = &undolevels + :set undolevels=-1 + :exe "normal a \<BS>\<Esc>" + :let &undolevels = old_undolevels + :unlet old_undolevels + Marks for the buffer ('a to 'z) are also saved and restored, together with the text. {Vi does this a little bit different}