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72433Re: E315 errors in Vim 74a (folding, Python, buffers)

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  • Bram Moolenaar
    Jul 23, 2013
    • 0 Attachment
      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.

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