[whatwg] Progressive rendering
alexey at feldgendler.ru
Mon Nov 6 05:44:58 PST 2006
On Sun, 05 Nov 2006 03:32:55 +0600, Henri Sivonen <hsivonen at iki.fi> wrote:
>> It's not only about printing-while-downloading. It's about the ability
>> to print an arbitrarily long document without consuming infinite memory
>> for DOM.
> What kind of use is this about? Is this about XHTML-Print-type stuff or
> about Prince-type high-end formatting? CSS already allows page number
> references, which means that the formatter has to paginate the whole
> document in order to make forward reference by page number.
> I have never seen the source of a print-only CSS formatter, but I
> imagine an optimized implementation could optimize away the DOM but
> would still have to keep the entire CSS frame tree in memory (at least
> when there's generated content that depends on later page numbers).
TeX uses repeated passes over a long document to handle cross-references
properly using limited memory. It would be useful if HTML allowed
something like that.
Alexey Feldgendler <alexey at feldgendler.ru>
[ICQ: 115226275] http://feldgendler.livejournal.com
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