better appendix markers
Add class to empty appendix headings
Merge pull request #527 from ascott1/appendix-markers

better appendix markers
Merge pull request #528 from cmc333333/header-spacing

Add class to empty appendix headings
adding css for .empty-header class
Merge pull request #530 from jpyuda/master

adding css for .empty-header class
Merge branch 'master' into help-text-fixes
use an include for repeated template content