Alternately, if you are going super-TDD on things and committing after every test, that pace is also reasonable under the conditions you list. I was at about th

Alternately, if you are going super-TDD on things and committing after every test, that pace is also reasonable under the conditions you list. I was at about that rate when I once tried to write a scheme interpreter in javascript in a weekend. I mostly succeeded, but ran out of time before getting done with some special forms.