I wanted to try and help out so this is a first draft of a while/dowhile section. Feedback welcome but I tried following your style - apologies for latex noviceness.
Test chapter of do/while
Added terminal output
First go at explaining switch statements with if/else comparison
Tabs vs spaces - the eternal struggle
Hey, just wanted to say thank you for working on this. I'll get it merged soon. (I have moved to a more friendly format for the course design and put it in gnome-university on github and git.gnome.org).