From: Stefan Monnier <monnier@iro.umontreal.ca>
To: help-gnu-emacs@gnu.org
Subject: Re: Is it alright to define-derived-mode dynamically?
Date: Fri, 25 Dec 2020 12:34:23 -0500 [thread overview]
Message-ID: <jwvlfdlrdug.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: X+XCBP10yvraXyqV@protected.rcdrun.com
> Problem was invoking another derived mode from tabulated-list-mode
> where the other mode did appear and it was populated but it was not
> visible. The text I could not see but entries were there and the lines
> in existence, just everything white.
There can only be one major mode active in a buffer at a time.
So whenever you call a major mode function, it "removes" the previously
set major mode.
>> - Don't use global variables's names for local variables.
>
> Did you mean:
>
> (defvar-local rcd-tabulated-marked-items nil
> "Collects IDs for tabulated list modes")
So, I meant "local" as in let-bound variables or in your particular case
formal arguments of functions.
Stefan
next prev parent reply other threads:[~2020-12-25 17:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-24 7:19 Is it alright to define-derived-mode dynamically? Jean Louis
2020-12-24 14:44 ` Stefan Monnier
2020-12-25 10:42 ` Jean Louis
2020-12-25 17:34 ` Stefan Monnier [this message]
2020-12-25 20:03 ` Jean Louis
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