* Re: [Emacs-diffs] emacs-25 d7973e8: Document 'default-toplevel-value' and 'set-default-toplevel-value'
[not found] ` <20161226171155.3FCBE2201C7@vcs.savannah.gnu.org>
@ 2016-12-27 1:34 ` Stefan Monnier
2016-12-27 7:11 ` Eli Zaretskii
0 siblings, 1 reply; 2+ messages in thread
From: Stefan Monnier @ 2016-12-27 1:34 UTC (permalink / raw)
To: emacs-devel; +Cc: Eli Zaretskii
> + A variable can be let-bound (@pxref{Local Variables}) to a
> +non-default value; in that case, @code{default-value} will return the
Not sure what "non-default" means here, nor why it's needed.
> +value from that binding, not the global value, and @code{set-default}
> +will be prevented from setting the global value.
Not only `set-default` doesn't set the global value, but it will modify
the let binding (the way it's written could be mis-understood to mean
that in those circumstances, `set-default` will just do nothing).
> The following two
> +functions allow to reference the global value even if it's masked by a
> +let-binding.
That looks fine, thank you.
> +@cindex top-level default value
> +@defun default-toplevel-value symbol
> +This function returns the @dfn{top-level} default value of
> +@var{symbol}, which is its value outside of any let-binding.
> +@end defun
[...]
> +@defun set-default-toplevel-value symbol value
> +This function sets the top-level default value of @var{symbol} to the
> +specified @var{value}. This comes in handy when you want to set the
> +global value of @var{symbol} regardless of whether your code runs in
> +the context of @var{symbol}'s let-binding.
> +@end defun
Perfect, thanks.
Stefan
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Emacs-diffs] emacs-25 d7973e8: Document 'default-toplevel-value' and 'set-default-toplevel-value'
2016-12-27 1:34 ` [Emacs-diffs] emacs-25 d7973e8: Document 'default-toplevel-value' and 'set-default-toplevel-value' Stefan Monnier
@ 2016-12-27 7:11 ` Eli Zaretskii
0 siblings, 0 replies; 2+ messages in thread
From: Eli Zaretskii @ 2016-12-27 7:11 UTC (permalink / raw)
To: Stefan Monnier; +Cc: emacs-devel
> From: Stefan Monnier <monnier@IRO.UMontreal.CA>
> Cc: Eli Zaretskii <eliz@gnu.org>
> Date: Mon, 26 Dec 2016 20:34:40 -0500
>
> > + A variable can be let-bound (@pxref{Local Variables}) to a
> > +non-default value; in that case, @code{default-value} will return the
>
> Not sure what "non-default" means here, nor why it's needed.
>
> > +value from that binding, not the global value, and @code{set-default}
> > +will be prevented from setting the global value.
>
> Not only `set-default` doesn't set the global value, but it will modify
> the let binding (the way it's written could be mis-understood to mean
> that in those circumstances, `set-default` will just do nothing).
Thanks for the review, I fixed the text there.
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2016-12-27 1:34 ` [Emacs-diffs] emacs-25 d7973e8: Document 'default-toplevel-value' and 'set-default-toplevel-value' Stefan Monnier
2016-12-27 7:11 ` Eli Zaretskii
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