[patch][wwwdocs] gcc-16/changes.html: Update Fortran section

[Gerald Pfeifer]

On Thu, 11 Sep 2025, Tobias Burnus wrote:
> Comments?

I love how you keep taking care of tracking and documenting such changes.

> PS: I am aware of additional nice WIP features - like '(cond ? expr : 
> expr)', pending bug fixes and other new features, but they can be added 
> later. There is still time until the GCC 16.1 release and, first, they 
> have to be committed ... :-)

That's a good approach. :-)

Gerald