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-rw-r--r--software/vim.page14
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@@ -103,3 +103,17 @@ Links to more...
------------------
- `vim anti-patterns <http://blog.sanctum.geek.nz/vim-anti-patterns/>`_
+
+Digraphs
+------------
+
+Digraphs are a simple mechanism for entering certin special characters (like τ,
+ā, etc) on a boring English/USA keyboard. RFC1345 defines a mapping between
+two-character digraph sequences and characters; these can be entered in vim
+from insert mode using C-k followed by the two characters. For example, while
+inserting, type `C-k t *` to get `τ`. In contemporary vim this comes though as
+the correct UTF-8 encoding.
+
+For a long listing of characters, look at `help digraphs-default`, or this list
+of math-y characters: http://www.alecjacobson.com/weblog/?p=443
+