bug#28182: maybe implement CTRL++ to zoom text

[Eli Zaretskii]

> From: 積丹尼 Dan Jacobson
>       <jidanni@jidanni.org>
> Date: Tue, 22 Aug 2017 11:05:40 +0800
> 
> In most browsers, CTRL++ zooms text,
> making it progressively bigger.
> In emacs, one just gets
> "C-= is undefined".
> 
> (CTRL+-, the reverse action, is bound to
> negative-argument.)
> 
> Anyway, no matter what binding or not, there is apparently not command
> yet to simply zoom text like in a browser. The best one can do is the
> methods mentioned in (info "(emacs) Fonts").

Did you try "C-x C-+"?