bug#68375: 29.1; lispref documentation fixes

[Xiyue Deng]

Richard Stallman <rms@gnu.org> writes:

> [[[ 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. ]]]
>
>   >  therefore displayed, at some time, in a window (@pxref{Windows}).  But
>   > -a buffer need not be displayed in any window.  Each buffer has a
>   > +a buffer needs not be displayed in any window.  Each buffer has a
>
> Actually, the old text is more correct English usage.
> "Need" is a special case, and uses the old subjunctive mood
> which is mostly obsolete in English.
>
>   > -Somewhat odd, but predictable, behavior can occur for certain
>   > +A somewhat odd, but predictable, behavior can occur for certain
>
>
> The old text is correct.  In thise situation we are using "behavior"
> as an uncountable mass noun.
>
> Your other changes are correct.  Thanks.

Thanks for the detailed explanations!

-- 
Xiyue Deng