On 13/05/10 09:38, Israel Chauca F. wrote:
Hi there,
I found the following, open vim and do the following:
- Insert 1 and exit insert mode.
- Append 2 and then<C-R>=setline('.', '123')<CR> to add one char to the right
of the cursor.
- Without leaving insert mode, type other<CR> and the number 4, now exit
insert mode.
- Press u.
I should expect to have just the number 1 in the window, but I'm left with two
lines:
1
43
If I undo again, I get the original empty window.
If I start in the second step, I can't undo to the empty window, I'm left with
two lines but I can exit vim as if the buffer was in its original state.
Is that the expected behaviour or there is something wrong? why does the setline()
call +<CR> affects the first edit?
Thanks!
Israel
In 'compatible' mode (including, by default, when you start Vim with no
vimrc, or with the -u command-line switch in order to use a nonstandard
vimrc), repeatedly hitting u alternates between the two latest states of
the buffer (this is vi-compatible "undoable undo").
In 'nocompatible' mode, including when Vim has found a .vimrc or a
_vimrc, repeatedly hitting u goes progressively backwards in time, up to
'undolevels' times. In that case, CTRL-R (in Normal mode) redoes what
had been undone.
See
:help 'undolevels'
:help undo-two-ways
Best regards,
Tony.
--
Cold, adj.:
When the politicians walk around with their hands in their own
pockets.
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