> As a feature request:
>
> How about changing the effect of Man-width, or an additional setting:
> Emacs could usefully format manual pages to fit the window when the
> window is narrower than the default width of manual pages (unless the
> window is ridiculously narrow, in which case it could fall back to the
> default width for manual pages) and format them no wider than the
> default width of manual pages for windows that are wider.

Thanks for the feature request.

As proposed in https://debbugs.gnu.org/cgi/bugreport.cgi?bug=9385
this patch implements a new option "Maximum width" as a hard limit
that prevents the width to grow over this value: