> On Nov 7, 2013, at 4:27 PM, "Tab Atkins Jr." <jackalm...@gmail.com> wrote: > >> On Thu, Nov 7, 2013 at 3:39 PM, Timothy Hatcher <timo...@apple.com> wrote: >>> On Nov 7, 2013, at 2:22 PM, Tab Atkins Jr. <jackalm...@gmail.com> wrote: >>> srcset's parsing algorithm *cannot* be extended in the future. I gave >>> an example of how it would fail over on blink-dev; I can reproduce it >>> here if necessary. >> >> I don't subscribe to blink-dev. The WebKit community are the ones you need >> to convince. > > A simple "Yes" would have sufficed. I was just asking if I needed to > demonstrate it. Take this markup: > > <img srcset="foo 1x, bar 2x || baz 1x, qux 2x"> > > You expect this to break into two lists, "foo 1x, bar 2x" and "baz 1x, > qux 2x", which are then each split as currently proposed. > > However, by the current parsing algorithm, || is read as an > unsupported descriptor, so it just breaks them into "foo 1x", "bar 2x > || baz 1x", and "qux 2x". The middle one is thrown away, because of > the duplicate x descriptor, and so the whole thing is just parsed to > the same value as "foo 1x, qux 2x", which is completely wrong. > >>>> Designing this proposal around code formatting is a non-issue in my opinion >>>> and it surely didn't stop SVG from providing just one "d" attribute for >>>> <path>. Following the your logic, it should be d-N. Sure, <path d="…"> is >>>> primarily meant to be written by software. >>> >>> Please don't try to use reducto ad absurdum; it usually gives absurd >>> results. The reasoning for multiple attributes is not "because it's a >>> list", it's because it's a list of lists, and would require three >>> different delimiters. >> >> Three whole delimiters. What a crime against humanity! > > I'm not sure why you're being sarcastic and hostile. Three delimiters > is a rather large mental tax for developers. Being dismissive of > mental complexity isn't very friendly to authors. It's not the > be-all-end-all, but it is important.
Do you claim that using multiple numbered possibly out-of-order attributes as one level of list hierarchy is a smaller mental tax than an extra delimiter? Seems clearly the opposite to me. - Maciej > ~TJ > _______________________________________________ > webkit-dev mailing list > webkit-dev@lists.webkit.org > https://lists.webkit.org/mailman/listinfo/webkit-dev _______________________________________________ webkit-dev mailing list webkit-dev@lists.webkit.org https://lists.webkit.org/mailman/listinfo/webkit-dev
