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72930Re: Regression in 7.4: invisible unfocusable preview window

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  • Bram Moolenaar
    Aug 22, 2013
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      Christian Brabandt wrote:

      > On Di, 20 Aug 2013, Marius Gedminas wrote:
      >
      > > Vim 7.4 broke my svn filetype plugin (http://mg.pov.lt/vim/ftplugin/svn.vim).
      > >
      > > The plugin opens a new split window and puts the output of 'svn diff' in
      > > there when I run 'svn commit'. This window gets some attributes set,
      > > including 'previewwindow', which I use to make vim quit as soon as I
      > > close the svn-commit.tmp file.
      > >
      > > With vim 7.4 the preview window appears empty (lacking even a status
      > > line), and you cannot switch to it with Ctrl-W W.
      > >
      > > Steps to reproduce:
      > >
      > > echo "au BufRead,BufNewFile * new|put ='some text'|setlocal pvw" > bug.vim
      > > vim -u bug.vim newfile.txt
      > >
      > > Expected behavior (which I get with vim 7.3.547, and which I used to get
      > > with 7.3.verylargenumbers):
      > >
      > > http://i.imgur.com/MRN6f9c.png -- you get two windows, with some text
      > > in the first one
      > >
      > > Actual behavior:
      > >
      > > http://i.imgur.com/0KKz1i3.png -- the preview window takes up space,
      > > but is completely blank, doesn't even have a statusline, and cannot be
      > > switched to.
      > >
      > > Note: if you run vim -u bug.vim, and then open a new file with :e, this
      > > bug doesn't show up.
      >
      > I might have caused this with patch 7.3.1201. Strange, this error didn't
      > happen with my plugin. Anyway, here is an alternative approach:

      Thanks. However, entering a window may have side effects, I think it's
      better to avoid doing it twice.

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