Platen is a Markdown Wordpress Editor, built as a Chrome Web app.
See this blog post for more details.
You need to install grunt to be able to build platen.
Once grunt is installed, you can use:
grunt uglify
to generate platen.js for the first time. After that, you can use:
grunt watch
to constantly watch the js files, and then build the platen.js as
and when they change.
To generate a fully packaged platen.zip file for distribution, you can run
grunt zip