Most material is prepared with word processors or desktop publishing applications.
But shoveling words onto the web requires a shift in approach and care to catch the glitches. A 10-page document will get converted into 10 separate pages with a navigation scheme tying them together. You don't necessarily want that because it can unnecessarily interrupt the flow of ideas and outline. It may even break up a paragraph unnecessarily. We have tried a few of them without being satisfied with any.