From branch addingPartials onward, the pipes in the templates cause an error

[jdhines]

Here is the error:

Error: src/templates/index.jade:7
   5|     .header-content-inner
   6|       h1 Fitness meets data science.
 > 7|       |
   8|       hr
   9|       |
   10|       p

unexpected text |

Using Jade 1.11.0, Express 4.13.3, Node 0.12.7, and npm 2.11.3, which, except for node and npm, which I already had installed, were just the latest versions installed when following the course.