[tex-live] texdoc in luatex

David Kastrup dak at gnu.org
Tue Jun 26 12:57:36 CEST 2007


"Martin Schröder" <martin at oneiros.de> writes:

> 2007/6/26, Frank Küster <frank at kuesterei.ch>:
>> > Decompressing pdfs on the fly will cost time as PDFs have to be
>> > decompressed completely before they can be read (unless they are
>> > linearized).
>>
>> Is that a real problem on an installed system or the Live DVD?
>
> Always. Non-linearized pdfs are first read from the end to find the
> xref table, and then you access indivial objects. So you need tmp
> space (either in memory or on disc) -- you can't work on streams. For
> linearized pdfs this is different, but since almost nobody produces
> them (pdftex doesn't) we can ignore them.

Presumably whoever chose a procedure for gzipping PDFs could include a
linearization step, too.  But this would not help much unless one was
only interested in linear access (like when printing without
previewing).

-- 
David Kastrup


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