Space before parens in all function definitions

[Sönke Ludwig]

Am 07.04.2018 um 04:23 schrieb Andrei Alexandrescu:
> Why is there a space before "(" in our /library/ docs?
> 
> https://dlang.org/library/std/stdio/file.tmpfile.html
> 
> The paren here has role similar to that in mathematics, not literary.
> 
> 
> Thanks,
> 
> Andrei

Has been a regression during the diet-ng transition. Fix in DDOX:

https://github.com/rejectedsoftware/ddox/pull/203