> On Oct 4, 2024, at 12:05, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > > Yeah, that's what it looks like. I'm a bit confused though because > 16.x should have failed the same way: building our docs without local > DTDs has failed for well over a year now [1]. To add confusion to the fire, I was successfully building pre-17 versions ("make world") locally on MacOS fine without having to install the documentation tools. It wasn't until 17 that it failed (and installing the doc tools as recommended fixed it).