anchor.diff:          | RL - Removed lines <br>
           | FC - Files changed <br>
           | R  - Rating <br>
  +        | Example:
  +        | = 2 * IL + 3* RL + FC + 2*R
           br
           form(method='post', action='/challenges/' + challenge.link + '/update_formulae')
             = " = "
  
positive.code:           - each p in pulls
              - if (!p.hide || (user && user.admin))
                .ch-pull
                  .ch-pull-score
                    - if (challenge.display_scores)
                      = p.score
                      | <br> POINTS
  
                  a(href='/#{p.auth}')= p.auth
                  .ch-pull-info= "#" + p.repo
  
negative.code:                 - else
                    .ch-pull-info= "Created on " + p.created.toString().substr(3,12)
  
                  .ch-pull-score
                    - if (challenge.display_scores)
                      p= "POINTS:" + p.score
                  br
                  p= "Files changed: " + p.files_changed + "  "
                    = "Lines inserted: " + p.lines_inserted + "  "
                    = "Lines removed: " + p.lines_removed + "  "
  