PLUGINS

* Smart lists
  + On type
  + On paste?
* Curly quotes
  + On type
  + On paste
* Ellipsis
  + On type
  + On paste
* Keyboard shortcuts:
  + Capitalize, lowercase, uppercase
  + Select word, sentence, paragraph (S-exp)
  + Forward/backward word, sentence, paragraph
  + Swap words, letters
* Reformatting helpers (highlight + action + shortcut)
  + De-<br> paragraph (M-q)
  + Add space after dot and other punctuation
  + Add final dot
* Buttons ("Embed") next to URLs
* "Commands" to search images, etc
* On empty line, show options to add image, embed
* Drag and drop
* Inline Entities
* Inline search (e.g. other articles), completion-style
* Make invisible characters visible:
  + nbsp
  + \n