Subject: bug#38716: Document adjusting text scale emacs-wide

From: Eli Zaretskii <[email-masked]>
Date: Mon, 23 Dec 2019 15:36:51 +0200

> From: 積丹尼 Dan Jacobson
>  <[email-masked]>
> Date: Mon, 23 Dec 2019 11:27:24 +0800
> 
> (info "(emacs) Text Scale") only mentions the current buffer.
> Mention there what if the user wants to make the text bigger emacs-wide,
> instead of needing to repeat the command in each buffer.
> 
> Or mention that this is just not possible, and the best the user can do
> is ... etc.

We don't mention in the manual features we don't have.