Left secondary no tertiary column

This page overrides the secondary and tertiary column settings by disabling the tertiary column and placing the secondary on the left.

The relevant YAML frontmatter for this page is:

---
layout: page
title: Left secondary no tertiary column
menuInclude: yes
menuTopTitle: Layout
menuSubs:
- title: Left secondary, no tertiary
  index: 4
secondary-column: left
tertiary-column: none
---