Empty lines are not shown when a documentation comment is not present

Migrated issue

Reported by: avpaderno

Problem/Motivation

For example, on PathEncodedTest, part of the code is rendered as the following screenshot shows.

There should be an empty line between the property and the method, and one between the two methods. The code contains those empty lines, as or Drupal coding standards.

Proposed resolution

Render empty lines where the code has empty lines.