[Tor3]

A 120-page manual about good writing practices - and that makes the reader a dull person?

I read through the beginning of the document and it looks good to me. It seems to be a well-written readable document which can be immediately useful for people writing company documentation (such as myself - occasionally I have to pause writing code all day).

[Uberphallus]

And most importantly, consistency among documents produced by the same body.