This extensions adds a View in Marked command to the Editor menu to open the current Nova document with the Marked 2 or Marked 3 Markdown previewer.
This extension is not written or endorsed by Brett Terpstra, the creator of Marked.
You can set the path to the Marked application in the Extension Preferences. Leaving this unset will use the newest installed version, but if you have multiple versions of Marked installed and wish to use a specific one, you can override the default.