Richard Stallman <rms@gnu.org> schrieb am Do., 11. Jan. 2018 um 20:51 Uhr:

> [[[ To any NSA and FBI agents reading my email: please consider    ]]]
> [[[ whether defending the US Constitution against all enemies,     ]]]
> [[[ foreign or domestic, requires you to follow Snowden's example. ]]]
>
>   > Both arguments have merit. Manuals aren't just for newbies. Maybe
>   > there's room to introduce the syntax with the = first, then elaborate
>   > explaining the actual syntax in full. Or maybe that level of detail is
>   > best left for the TexInfo manual.
>
> Please use = for long option arguments in the man page.
>
>
I've pushed the patch that switches to = to emacs-26 (commit 779b2ac484).
We can argue about what should be recommended, but at the very least the
documentation should be consistent, and we either recommend or require =
everywhere else in the Info manual and other man pages.