anchor.diff:  (set! *main-cli-fn* -main)
   ----
   
  -Note that our JavaScript file can imported like any other Google Closure
  +Note that our JavaScript file can be imported like any other Google Closure
   namespace.
   
   Let's write the JavaScript:
  
positive.code: ----
  
  We need these two additional externs because internally React refers to the
  `process` module and React internally relies on the string names of the plugins.
  `:pseudo-names true` is a good way to figure out cases like this. In future
  hopefully these externs will be covered by CLJSJS.
  
  We're now ready to build our project:
  
negative.code: see, need to supply externs for library internals in order to compile
  successfully.
  
  We will see how we can successfully compile React and ReactDOM server NPM
  module packages.
  
  First lets create a new project:
  