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72476Re: E315 errors in Vim 74a (folding, Python, buffers)

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  • Vlad Irnov
    Jul 25, 2013
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      On 7/23/13, Bram Moolenaar <Bram@...> wrote:
      >
      > Vlad Irnov wrote:
      >
      >> I confirm that this issue has been fixed by Patch 7.4a.027 and
      >> subseqent, but only partially.
      >> The same errors can occur when Python deletes lines in another buffer.
      >> The following tests show how to reproduce (also attached).
      >> Tested with Vim 7.4a BETA, patches 1-39, compiled with MinGW, Windows 8.
      >>
      >> "---vim74a_E315_test2.vim-----------------------------
      >> tabnew BUFFER1
      >> call setline(1, ['','aaa {{{1','bbb {{{2','ccc {{{3'])
      >> setl fdm=marker fdt=getline(v:foldstart) fdl=0
      >> " 'splitbelow' is needed to get ml_get errors.
      >> set splitbelow
      >> new BUFFER2
      >> py import vim
      >> py B2=vim.current.buffer
      >> wincmd p
      >> py B2[0]='BUFFER2...'
      >> for i in range(10)
      >> py B2.append(['xxx','yyy'])
      >> py del B2[-1]
      >> endfor
      >> " Multiple errors 'E315: ml_get: invalid lnum: 3'.
      >> " Folding is wrong in BUFFER1--there are no folds.
      >>
      >>
      >> "---vim74a_E315_test3.vim-----------------------------
      >> tabnew BUFFER1
      >> call setline(1, ['','aaa {{{1','bbb {{{2','ccc {{{3'])
      >> setl fdm=marker fdt=getline(v:foldstart) fdl=0
      >> new BUFFER2
      >> py import vim
      >> py B2=vim.current.buffer
      >> wincmd p
      >> py B2.append(['xxx','yyy'])
      >> " This does not cause ml_get errors, but disrupts folding.
      >> py del B2[-1]
      >> " Folds are now wrong in BUFFER1.
      >
      > Thanks for reproducing another problem. I'll add it to the todo list.

      I am happy to confirm that these types of issues are fixed in
      vim-7-4a-044. Thanks.
      Regards,
      Vlad

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