ui_out format strings for fields and styles (Re: [PATCH] Style "pwd" output)

[Tom Tromey]

>>>>> "Pedro" == Pedro Alves <palves@redhat.com> writes:

Pedro> The visual balance of brackets is appealing as well, so I can't say
Pedro> I have a strong preference either way.  If you've been converting things
Pedro> already, you'll have a better judgment, so I'll defer to you.

I haven't really converted much, just what you saw on the branch.

I suspect using some kind of paired brackets will make it a little
harder to forget to close the style.  But probably only a little.  Also
I guess we could add asserts to check that the closing parameter is
always null.

Pedro> If we went the always-%pS way, I had written the patch and it'd
Pedro> look like this:

This is fine by me too.

Tom