bug#54190: 29.0.50; [PATCH] Incorrect/missing documentation for some Eshell "$" syntaxes

[Eli Zaretskii]

> Cc: larsi@gnus.org, 54190@debbugs.gnu.org, monnier@iro.umontreal.ca
> From: Jim Porter <jporterbugs@gmail.com>
> Date: Thu, 3 Mar 2022 21:55:41 -0800
> 
> After a bit of looking at the `eshell-do-eval' implementation, I 
> realized that there's a better solution that's very simple. See the 
> attached patch. It's simple enough that it might be fine for Emacs 28, 
> but the existing change on the 28 branch is probably a bit safer, since 
> that change was just a partial revert. I'm not aware of anything that 
> could be broken by this new patch, but you never know...

Thanks, I think this should be installed on master.