57195Re: [vim73] easy way to purge 'persistence undo'?
- Jun 3, 2010Christian Brabandt wrote:
> Hi SungHyun!I tried this:
> On Do, 03 Jun 2010, SungHyun Nam wrote:
>> With vim-7.3 (+ 'undofile'):
>> I guess I could remove a undofile and run ':e' to do this. Maybe
>> I can make a mapping with some vim script, but...
>> Is there any easy way to purge 'persistence undo' history?
> Try setting ul=-1
And the undo history was *not* purged. Undo history is
only purged if I edit something in between the 2
.. edit something...
(undo history is now purged)
I'm not sure how useful it is to be able to purge undo history anyway.
I don't think I would need to do that. What I would find more
useful, when performing multiple undos with persistent-undo, is to
display a message such as:
"undo reached state where file was last read/written"
... so that user is warned when doing multiple undos that it can
go back in time earlier than when file was last read/written if he
continues to undo.
I see an item added recently on the todo list which would also be useful:
- undofile: keep markers where the file was written/read, so that it's easy to
go back to a saved version of the file ":earlier 1file"?
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