Rick Howe wrote:
> I found an error on patch 8.0.0736.
> With the following sample function,
> 'diffthis' and 'diffoff' will cause
> "E788: Not allowed to edit anoter buffer now"
> on 'wincmd'.
>
> augroup xyz
> au!
> au OptionSet * call XYZ()
> augroup END
>
> function! XYZ()
> if expand('<amatch>') == 'diff'
> let c = winnr()
> for w in range(1, winnr('$'))
> exec w . 'wincmd w'
> echo w . ':' . &diff
> endfor
> exec c . 'wincmd w'
> endif
> endfunction
>
> The error does not happens when I removed
> ++curbuf_lock;
> --curbuf_lock;
> in set_diff_option() of diff.c.
It was an intentional change to disallow moving between windows and
buffers for the OptionSet event.
You could use a timer to call the function a bit later.
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