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GitHub - masukomi/vim-markdown-folding: Fold markdown documents by section.

 5 years ago
source link: https://github.com/masukomi/vim-markdown-folding
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README.md

This plugin enables folding by section headings in markdown documents.

Features

This plugin adds the ability to fold the following markdown elements:

  • Headings and everything under them
  • Fenced code blocks

example screenshot of folding functionality

Usage

By default this plugin will use "Stacked" folding which looks like this when everything is folded.

  1 ##    Topmost heading                         [3 lines]---------------------------
  5 ###   Second level heading                    [3 lines]---------------------------
  9 ####  Third level heading                     [3 lines]---------------------------
 13 ####  Another third level heading             [2 lines]---------------------------

You can use "Nested" folding, where folding the "Topmost heading" will also nest all the deeper sections under it.

  1 ##    Topmost heading                         [14 lines]--------------------------

To toggle between the two folding styles use :FoldToggle

If you'd like to have it default to "Nested" folding add this to your ~/.vim/filetype.vim

autocmd FileType markdown set foldexpr=NestedMarkdownFolds()

Installation

After installing markdown-folding using a Vim package manager ( vim-plug, pathogen, Vundle, or Vim 8's native plugin system ). You will need to add the following lines to your ~/.vimrc file or ~/.config/nvim/init.vim for NeoVim:

    set nocompatible
    if has("autocmd")
      filetype plugin indent on
    endif

The markdown-folding plugin provides nothing more than a foldexpr for markdown files. If you want syntax highlighting and other niceties, then go and get tpope's vim-markdown plugin.

Troubleshooting

First, Vim must recognize the file you are in as a Markdown file. set filetype? should return filetype=markdown. If it doesn't you may want to tweak your filetype.vim to make sure it knows to associate your current file extension with Markdown. In the short term you can :set filetype=markdown

There are a variety of ways Vim can be instructed to "fold" things. When you add a plugin to support a new language / format the plugin will tell Vim "Hey here's the method to use for figuring out the start and end of a fold with this language". This plugin uses a foldmethod of expr. Running :set foldmethod? should return foldmethod=expr. If you see something else then you've likely got some other Vim configuration overriding the setting in the plugin. If, after running :set foldmethod=expr, things still aren't working, then something is most likely amiss in your ~/.vimrc (or ~/.config/nvim/init.vim if you use NeoVim).

License

Created by Drew Neil. Copyright Drew Niel and all the contributors. Distributed under the same terms as Vim itself. See :help license.

With community improvements by:

Maintained by masukomi


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