Bunch of changes inspired by r00k

vim/bundle/vim-obsession/README.markdown

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+# obsession.vim
+
+Vim features a `:mksession` command to write a file containing the current
+state of Vim: window positions, open folds, stuff like that.  For most of my
+existence, I found the interface way too awkward and manual to be useful, but
+I've recently discovered that the only thing standing between me and simple,
+no-hassle Vim sessions is a few tweaks:
+
+* Instead of making me remember to capture the session immediately before
+  exiting Vim, allow me to do it at any time, and automatically re-invoke
+  `:mksession` immediately before exit.
+* Also invoke `:mksession` whenever the layout changes (in particular, on
+  `BufEnter`), so that even if Vim exits abnormally, I'm good to go.
+* If I load an existing session, automatically keep it updated as above.
+* If I try to create a new session on top of an existing session, don't refuse
+  to overwrite it.  Just do what I mean.
+* If I pass in a directory rather than a file name, just create a
+  `Session.vim` inside of it.
+* Don't capture options and maps.  Options are sometimes mutilated and maps
+  just interfere with updating plugins.
+
+Use `:Obsess` (with optional file/directory name) to start recording to a
+session file and `:Obsess!` to stop and throw it away.  That's it.  Load a
+session in the usual manner: `vim -S`, or `:source` it.
+
+## Installation
+
+If you don't have a preferred installation method, I recommend
+installing [pathogen.vim](https://github.com/tpope/vim-pathogen), and
+then simply copy and paste:
+
+    cd ~/.vim/bundle
+    git clone git://github.com/tpope/vim-obsession.git
+
+## Self-Promotion
+
+Like obsession.vim?  Follow the repository on
+[GitHub](https://github.com/tpope/vim-obsession) and vote for it on
+[vim.org](http://www.vim.org/scripts/script.php?script_id=4472).  And if
+you're feeling especially charitable, follow [tpope](http://tpo.pe/) on
+[Twitter](http://twitter.com/tpope) and
+[GitHub](https://github.com/tpope).
+
+## License
+
+Copyright © Tim Pope.  Distributed under the same terms as Vim itself.
+See `:help license`.