bug#23247: 25.0.92: Documentation bug about Control modified key bindings

[Eli Zaretskii]

> From: Kaushal Modi <kaushal.modi@gmail.com>
> Date: Fri, 08 Apr 2016 21:54:56 +0000
> 
> This discussion recently came up on emacs.stackexchange.. 
> http://emacs.stackexchange.com/a/21524/115
> 
> The emacs manual (C-h i g (emacs) Modifier Keys) says the below: 
> 
> "A <Control>-modified alphabetical character is always considered
> case-insensitive: Emacs always treats ‘C-A’ as ‘C-a’, ‘C-B’ as ‘C-b’,
> and so forth. The reason for this is historical."
> 
> But I am able to bind something like
> 
> (global-set-key (kbd "C-S-n") #'previous-line)
> 
> and have C-n and "C-N" call different commands.

Did you try that on a text terminal as well?

> Does that piece of information about Control-modified alphabetical characters 
> need correction or clarification?

Not sure we want to enter these details in a user manual.  Also, "C-N"
and "C-S-n" are not the same thing in this context.