Fix lisp code blocks in README.
Fix `prelude-smart-open-line-above`
Merge pull request #330 from seanfisk/fix-lisp-readme

Fix lisp code blocks in README.
Fix keychord mention
Merge pull request #331 from toctan/master

Fix `prelude-smart-open-line-above`
Merge remote-tracking branch 'upstream/master'

* upstream/master:
  Fix keychord mention
  Fix `prelude-smart-open-line-above`
  Fix lisp code blocks in README.