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@@ -2904,6 +2904,7 @@ A small group of programmers wants to change how we code—before catastrophe st
 * [Tom Ryder](https://sanctum.geek.nz/arabesque/shell-from-vi/) - (2017) Shell from vi
 * [Tom Ryder](https://sanctum.geek.nz/arabesque/vim-anti-patterns/) - (2012) Vim anti-patterns
 * [Why vi Rocks](https://why-vi.rocks/) - a collection of commands, command sequences which make vi rock
+* [Vim Tips Wiki](https://vim.fandom.com/wiki/Highlight_unwanted_spaces) - (2003) Highlight unwanted spaces
 
 # Mac
 * [Ask Different](https://apple.stackexchange.com/questions/69015/install-2-different-os-x-versions-on-the-same-machine-hdd) - Install 2 different OS X versions on the same machine/hdd