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Automatic folding with the vimtex plugin are unbearably slow.

Is there anything I can do to speed this up? I tried installing the fastfold plugin but that did nothing I could notice.

  • Sorry, what's your actual question? – fruglemonkey Feb 9 '16 at 12:04
  • Do you want manual and persistent folds? Or do you want to speed up vimtex? These are two different questions... – Martin Tournoij Feb 9 '16 at 12:19
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    I like fold markers – Steve Feb 9 '16 at 12:22
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    You can save folds over sessions with mkview and loadview. See Can I save folds? – Steve Feb 9 '16 at 12:25
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    Okay; I edited your question to only include the vimtex question. For the other one see: Can I save folds? – Martin Tournoij Feb 9 '16 at 12:31
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First: Did you bother to read the vimtex documentation, i.e. :h vimtex-folding? The docs clearly point out that the fold-expr method of folding is slow, and so therefore provides an option g:vimtex_fold_manual which if enabled (set to nonzero value) will set foldmethod=manual, and instead will remap zx and zX to recalculate the folds when necessary (typically not very often).

The fastfold plugin is a very good alternative, as it will automatically ensure that the foldmethod is set to manual. This will also work for other file types, and the plugin provides a set of possibilities for when the folds should be refreshed.

Disclaimer: I am the developer of vimtex.

  • sorry, I saw it but didn't understand it. I still have two problems with the package, though (for which thanks): first, that it doesn't show the number of lines in a fold, which I find useful; and secondly that using it it takes quite long to load a file. for these reasons I'll stick to markers, which I discovered today. – Toothrot Feb 9 '16 at 20:54
  • You can use standard foldtext with set foldtext=, which should show line numbers. Also, I personally don't have any problems with long load times that I've noticed. You could consider to open an issue and explain the problem and how to reproduce. – Karl Yngve Lervåg Feb 10 '16 at 8:29
  • This worked out of the box for me. Very nice! – Astrid Aug 8 '17 at 0:05

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