> > With elisp, I've found that in practice I usually start by copying the > > docstring (the "in code doc") to the manual (the "doc doc"), but almost > > always end up largely rewriting to fit the context in the manual better, > > and to explain things in more detail (modern docstrings tend to be > > rather verbose compared to docstrings-of-old, but they're still > > generally more terse than the manual). > > Still, if anything copyrightable is left of the copied text, you need > license compatibility (or full copyright to the original text) in order > to be able to publish the result.
Unless one can claim "fair use". But the above procedure is also likely to result in taking nothing copyrightable from the original text anyway.