anchor.diff:  
   *Using Gradle*:
   
  -* See link:UsingGradle.md[UsingGradle.md] for how to run tests using Gradle.
  +* See <<UsingGradle#, UsingGradle.adoc>> for how to run tests using Gradle.
   
   We have two types of tests:
   
  
positive.code: *Problem: Eclipse reports some required libraries missing*
  
  * Reason: Required libraries may not have been downloaded during the project import.
  * Solution: link:UsingGradle.md[Run tests using Gradle] once (to refresh the libraries).
  
  === Coding style
  
  
negative.code: 
  Here are the steps to convert the project documentation files to PDF format.
  
  .  Make sure you have set up GitHub Pages as described in <<UsingGithubPages#setting-up, UsingGithubPages.adoc>>.
  .  Using Chrome, go to the <<UsingGithubPages#viewing-the-project-site, GitHub Pages version>> of the documentation file. e.g. For <<UserGuide#, UserGuide.adoc>>, the URL will be `\https://<your-username-or-organization-name>.github.io/addressbook-level4/docs/UserGuide.html`.
  .  Click on the `Print` option in Chrome's menu.
  .  Set the destination to `Save as PDF`, then click `Save` to save a copy of the file in PDF format. For best results, use the settings indicated in the screenshot below.
  
  