Emacs d-mode indentation, 2 spaces to 4?

[John Gabriele]

On Thursday, 5 October 2017 at 05:22:16 UTC, Ali Çehreli wrote:
> On 10/04/2017 09:57 PM, John Gabriele wrote:
>> I'm using Emacs 25.2.2 with d-mode-20161022.717 on Debian 
>> Testing, and by default this mode indents by 2 spaces. Is 
>> there an easy way to configure it to use 4 spaces instead?
>> 
>
> I can't imagine it has its own tab width. d-mode is based on 
> cc-mode. Setting the tab width in that mode or in general 
> should work for d-mode as well.
>
> Just research tab width for Emacs. If nothing else works and 
> you're happy with a global tab-width of 4, add this to your 
> .emacs file:
>
> (setq-default tab-width 4)
>
> Ali

Thank you, but tried this and it didn't work. Aravinda's solution 
worked though.