Syntax highlighting, matching rules and mappings for [the original Markdown](http://daringfireball.net/projects/markdown/) and extensions.
1. [Installation](#installation)
+1. [Basic usage](#basic-usage)
1. [Options](#options)
1. [Mappings](#mappings)
1. [Commands](#commands)
tar --strip=1 -zxf vim-markdown-master.tar.gz
```
+## Basic usage
+
+### Folding
+
+Folding is enabled for headers by default.
+
+The following commands are useful to open and close folds:
+
+- `zr`: reduces fold level throughout the buffer
+- `zR`: opens all folds
+- `zm`: increases fold level throughout the buffer
+- `zM`: folds everything all the way
+- `za`: open a fold your cursor is on
+- `zA`: open a fold your cursor is on recursively
+- `zc`: close a fold your cursor is on
+- `zC`: close a fold your cursor is on recursively
+
+[Options](#options) are available to disable folding or change folding style.
+
+Try `:help fold-expr` and `:help fold-commands` for details.
+
+### Concealing
+
+Concealing is set for some syntax such as bold, italic, code block and link.
+
+Concealing lets you conceal text with other text. The actual source text is not modified. If you put your cursor on the concealed line, the conceal goes away.
+
+[Options](#options) are available to disable or change concealing.
+
+Try `:help concealcursor` and `:help conceallevel` for details.
+
## Options
### Disable Folding
let g:vim_markdown_json_frontmatter = 1
```
+#### Strikethrough
+
+Strikethrough uses two tildes. `~~Scratch this.~~`
+
+```vim
+let g:vim_markdown_strikethrough = 1
+```
+
### Adjust new list item indent
You can adjust a new list indent. For example, you insert a single line like below: