From ee9f7a409259b1bc85e83ffce446fdfba482c800 Mon Sep 17 00:00:00 2001
From: mischa <git@high5.nl>
Date: Sun, 7 Apr 2019 09:26:42 +0200
Subject: [PATCH] added reference documents

---
 index.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/index.md b/index.md
index 61cb824..e9b50e8 100644
--- a/index.md
+++ b/index.md
@@ -6,6 +6,8 @@ These all work with at least [nvi](https://en.wikipedia.org/wiki/Nvi) 1.79 and 2
 Helpful documents:<br />
 - [Roman Zolotarev: Edit text with vi(1)](https://rgz.ee/vi.html)<br />
 - [Jeff W: vi help](http://www.jeffw.com/vi/vi_help.txt)<br />
+- [Maarten Litmaath: vi reference](http://www.ungerhu.com/jxh/vi.html)<br />
+- [alphanrrrd: extremely concise cheatsheet](http://www.alphanrrrd.org/vi.html)<br />
 - [ViEmu: Graphical vi cheatsheet](http://www.viemu.com/a_vi_vim_graphical_cheat_sheet_tutorial.html)
 
 #### Yank / delete an arbitrary number of lines