Wanted: Format character for source code literal

[Imperatorn]

On Friday, 30 April 2021 at 07:10:38 UTC, Berni44 wrote:
> I plan to add an extension to `std.format`, namely a new format 
> character with the meaning of producing a source code literal. 
> Or more formally, the following snippet should work for every 
> type this extension will support:
>
> [...]

Actually S is already used. The only specifier that is "free" 
would be D. But, what's so bad with using L? 🤔