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diff --git a/LICENSE b/LICENSE
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+MIT License
+
+Copyright (c) 2018 John Ankarström
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject
+to the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
+ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
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+## vis-autocmd
+
+This plugin provides a declarative interface for setting vis
+options depending on filetype.
+
+It expects a global variable called `settings` to be defined:
+
+```lua
+settings = {
+    markdown = {"expandtab on", "tabwidth 4"}
+}
+```
+
+In this variable, filetypes are mapped to sets of settings that are
+to be executed when a window containing the specified filetype is
+opened.
+
+If you want to do more than setting simple options, you can specify a function instead:
+
+```lua
+settings = {
+    bash = function(win)
+        -- do things for shell scripts
+    end
+}
+```
+
+Be sure not to run commands that open another window with the same
+filetype, leading to an infinite loop.
diff --git a/vis-autocmd.lua b/vis-autocmd.lua
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+-- vis-autocmd
+-- (https://github.com/jocap/vis-autocmd)
+
+-- This plugin provides a declarative interface for setting vis
+-- options depending on filetype.
+-- 
+-- It expects a global variable called `settings` to be defined:
+-- 
+-- 	settings = {
+-- 		markdown = {"expandtab on", "tabwidth 4"}
+-- 	}
+-- 
+-- In this variable, filetypes are mapped to sets of settings that are
+-- to be executed when a window containing the specified filetype is
+-- opened.
+-- 
+-- If you want to do more than setting simple options, you can specify a function instead:
+-- 
+-- 	settings = {
+-- 		bash = function(win)
+-- 			-- do things for shell scripts
+-- 		end
+-- 	}
+-- 
+-- Be sure not to run commands that open another window with the same
+-- filetype, leading to an infinite loop.
+
+vis.events.subscribe(vis.events.WIN_OPEN, function(win)
+	local window_settings = settings[win.syntax]
+
+	if type(window_settings) == 'table' then
+		for _, setting in pairs(window_settings) do
+			vis:command(setting)
+		end
+	elseif type(window_settings) == 'function' then
+		window_settings(win)
+	end
+end)