From: hendeigr <hendeigr@protonmail.com>
To: tpeplt <tpeplt@gmail.com>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>, help-gnu-emacs@gnu.org
Subject: Re: Error with add-function and process-filter
Date: Mon, 11 Mar 2024 18:21:21 +0000 [thread overview]
Message-ID: <tONnRwqnoem6EgkmmtGr-hpDYy829evWD8jZaEJ-hJZ_JSP38dIdXchtynvTO6TeAA3KxSKrjugq0ihPmgmvGUGHO6IN_Hh1RIjczA6aHgs=@protonmail.com> (raw)
In-Reply-To: <87h6hczlzj.fsf@gmail.com>
Sent with Proton Mail secure email.
On Monday, 11 March 2024 at 18:01, tpeplt <tpeplt@gmail.com> wrote:
> > > (add-function :before (process-filter h-proc) #'h/trace)
> > > [...]
> > > However, am getting this error:
> > > Symbol’s value as variable is void: v
> >
> > My crystal ball tells me you forgot to activate `lexical-binding`
> > because you didn't see the message that must have been emitted at some
> > point:
> >
> > Warning: Use of gv-ref probably requires lexical-binding
> >
> > If you're using a new enough Emacs you can click on the orange "/d" in
> > your mode line to fix the problem.
>
>
> If you are not using a new enough version of Emacs, then add the
> following line to the beginning (the very first line) of your Emacs Lisp
> file:
>
> ;; -- lexical-binding: t; --
>
> That is what clicking on the "/d" will do for you.
>
> --
That's got it! Thank you both for your prompt responses. Now its time for me to learn more about dynamic binding vs lexical binding!
Thanks again,
James
next prev parent reply other threads:[~2024-03-11 18:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-11 10:20 Error with add-function and process-filter hendeigr via Users list for the GNU Emacs text editor
2024-03-11 13:21 ` Stefan Monnier via Users list for the GNU Emacs text editor
2024-03-11 18:01 ` tpeplt
2024-03-11 18:21 ` hendeigr [this message]
2024-03-11 18:06 ` tpeplt
2024-03-11 20:29 ` hendeigr
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