Fixed vim and zsh

zsh/modules/prompt/external-themes/lean/README.md

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+About
+=====
+
+After having used [prompt pure](https://github.com/sindresorhus/pure) for about
+a year, I felt that a two-line prompt was not for me. Also not utilizing the
+right side of the terminal seemed a missed opportunity. Still there is much to
+like: the elapsed time of a process, the coloring of the prompt if the exit
+code of the process isn't 0, git integration. So I took "pure", mixed in my
+ideas of what a prompt should look like and came up with "lean" - a 1 line
+prompt that stays out of your face.
+
+So lean is an evolution of pure, with the following changes:
+
+* Defaults to a very sparse setup, only showing information you need at the
+moment.
+* Comes with the perfect prompt character. Author went through the entire ASCII
+range to find it (and found it pretty quickly!)
+* Never displays your username (assuming you know who you are).
+* When tmux is active it shows a yellow 't' (I disabled the tmux bar, so this
+is some visual indication that tmux is active). If you don't want this
+indicator, you can always set `PROMPT_LEAN_TMUX=""` prior to loading this
+plugin (or prior to sourcing `zgen`, etc.).
+* Show remote host if logged in through SSH.
+* All in one line, most stuff in the right prompt, leaving the left prompt nice
+and clean
+* Shows background jobs (in the left prompt)
+* Show (dirty) git repos
+* Shortens path if needed (longer then 70% of your screen)
+* Uses `PROMPT_LEAN_LEFT` and `PROMPT_LEAN_RIGHT` to allow customization of the left
+  and/or right side of the prompt.
+* For a configurable insertmode indicator, set the `PROMPT_LEAN_VIMODE` and `PROMPT_LEAN_VIMODE_FORMAT`
+variables. 
+  `PROMPT_LEAN_VIMODE_FORMAT` defaults to `"%F{red}[NORMAL]%f"`
+
+When lean starts, only 2 characters show on the screen '%' on the left and '~'
+on the right. All other info is omitted (like the user and system you are on),
+and shown only when needed.
+
+Here is a [screencast](https://asciinema.org/a/d1b5wccq23kglwwhaymoi8z5i)
+showing the prompt.
+*Note*: for some reason the screencast does not show the space between the '%'
+character and the start of the command line. **NOTE** This
+[issue](https://github.com/miekg/lean/issues/2) has been fixed.
+
+[![asciicast](https://asciinema.org/a/d1b5wccq23kglwwhaymoi8z5i.png)](https://asciinema.org/a/d1b5wccq23kglwwhaymoi8z5i)
+
+Installation
+===========
+
+If you use [zgen](https://github.com/tarjoilija/zgen) you can add the following
+to your `~/.zshrc`:
+
+```
+zgen load miekg/lean
+```
+
+and force reload with `zgen reset && source~/.zshrc`.