Vlad Irnov wrote:
> I get E315 errors in Vim 7.4a, but not in Vim 7.3.829 and earlier.
> In a nutshell, when a buffer in another window is modified via Python
> buffer object, folds in the current buffer get messed up, jumping to
> the last line results in multiple E315.
>
> The script below shows how to reproduce (also attached).
>
> Specs: gVim 7.4a BETA (extracted from Windows installer, not
> installed), Windows 8 64-bit, Python 2.7.5, Python 3.3.2. (I did not
> test this with Python 3 because dll versions don't match.)
>
> " ---BEGIN---
> " Create buffer 1 with closed folds.
> tabnew Buffer1
> call setline(1, ['','aaa {{{1','bbb {{{2','ccc {{{3'])
> setl fdm=marker fdt=getline(v:foldstart) fdl=0
> " Create buffer 2 in another window.
> new Buffer2
> py import vim
> py B2=vim.current.buffer
> " Go back to buffer 1. Modify buffer 2 via Python.
> wincmd w
> " This alone messes up folding in the current buffer.
> py B2.append(['xxx','yyy'])
> " This results in multiple 'E315: ml_get: invalid lnum: 6'.
> " A spurious window appears sometimes.
> " Custom statusline and tabline are also disrupted.
> normal! ggVG
> " ---END---
Thanks for the reproducible example. I indeed get the errors when
sourcing the script.
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