anchor.diff:  
   1. Choose a name for the app.
     - The app name must consist of alphanumeric characters.
  -  - The app name must be unique to your <%= vars.product_short %> installation.
  +  - The app name must be unique to your <%= vars.app_runtime %> installation.
          - To use an app name that is not unique, customize the app's route as described in [Customize the Route](#custom-route) below.
          -  Apps running at their default routes require unique names because default routes are based on app names, and all routes must be globally unique.
   
  
positive.code: 
  ## <a id='troubleshoot-push'></a>Troubleshoot App Push Problems
  
  If your app does not start on <%= vars.product_short %>, first ensure that the app can run locally.
  
  For how to troubleshoot your app in the cloud using the cf CLI, see [Troubleshoot App Deployment and Health](./troubleshoot-app-health.html).
  
negative.code: 
  ### <a id='example'></a> Example Session
  
  The following session illustrates  how <%= vars.app_runtime %> assigns default values
  to app when given a `cf push` command.
  
  <pre class="terminal">
  