* 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. ^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2016-12-27 7:11 UTC | newest] Thread overview: 2+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- [not found] <20161226171154.28694.54038@vcs.savannah.gnu.org> [not found] ` <20161226171155.3FCBE2201C7@vcs.savannah.gnu.org> 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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