Why do not have `0o` prefix for octal numbers?

[Steven Schveighoffer]

On Wed, 19 Sep 2012 12:15:19 -0400, monarch_dodra <monarchdodra at gmail.com>  
wrote:

> On Wednesday, 19 September 2012 at 16:02:41 UTC, Hauleth wrote:
>> Some time ago I've asked on SO why most languages have `0` prefix for  
>> octal numbers. My opinion is the same as D designers that it cause a  
>> lot of bugs, but why octal numbers are avaible only by using  
>> `std.conv.octal`?
>
> AFAIK: It is experimental. "The $(D octal) facility is intended as an  
> experimental facility to replace _octal literals starting with $(D '0'),  
> which many find confusing."

That comment is very old.  It is no longer experimental.

If you want an explanation, see here:

http://www.drdobbs.com/tools/user-defined-literals-in-the-d-programmi/229401068

-Steve