[Issue 16992] ddoc does not match documented unittest with static template method

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=16992

--- Comment #11 from Nick Treleaven <nick at geany.org> ---
Also note that `static` is missing from the template methods:
https://dlang.org/phobos/std_datetime_date.html#.Date.fromISOString

If you remove the template parentheses, `static` reappears.

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