[PATCH 1 of 2] help: extract help text generation into a separate function

[Olav Reinert]

On 1. jul. 2012, at 03.03, Mads Kiilerich wrote:

> I suggest to postpone these patches and post them again as a part of the patchbomb when you start utilizing these refactorings.
> Others might disagree and like the value the patches add right now and accept them ;-)

I consider the patches rejected. Which is fine, what I was after was to find out how to submit this type of change, and yours and Sune's reviews informed me about that. As you suggest, I'll resubmit them in some form later with other dependent changes.