Quote:
Originally Posted by frabjous
No, it doesn't. First, notice that pair kerning is not used. Next, notice that it doesn't have f-series ligatures. Finally, it doesn't do end of line hyphenation. Notice that you've widened the line, which diminishes the effect of inconsistent whitespace created by lack of hyphenation. But there's no way I can use lines that long on my reader, at least not in portrait mode. But it in the right size for my reader (as my examples all were), and the problem would probably become more apparent. No footnotes either.
The only thing more impressive about it is that it uses a more complicated math example. But that's not the issue. Duplicating that in a PDF is still much easier.
I personally don't think that Computer/Latin Modern font isn't very good for most electronic displays, but font choice is a matter of taste.
But also, what are you using to render this? Not ADE, surely, nor the ePub renderer on a Sony 505, which won't do justified text.
How is the math done? SVG? MathML? If so, then it won't be supported by most renderers. Remember, my problem was never with the ePub format, but the renderers for it. If the renderers I had access to supported those things, I'd be fine with ePub. To repeat myself for the third time, I expect that I'll eventually prefer ePub to PDF, just not now.
(Maybe I could get something like that on my Sony if the entire thing were an SVG, but that's gotta be a lot of work. I wouldn't know how to do it without using PDF as an intermediary.)
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That was done with MathML. But as for the long lines, just make the window narrower and the long lines won't be so long. I know ePub does not currently support hyphenation. So yes, you can get word spacing that may be a tad larger then you'd like. The f-series ligatures is not really an issue at all. The idea is not to see how PDF duplicates an ePub but to show that ePub is capable of doing it and doing it well. Yes, PDF can duplicate anything that can be printed. But PDF cannot be reflowed. That ePub can be reflowed and still look good. If you reflow that PDF it won't look so good. So really, overall for readers, the ePub is way better despite anything you may feel is wrong with it.