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Date: Thu, 14 Sep 2017 09:32:06 -0400
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From: "Liam R. E. Quin" <liam@w3.org>
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To: Saxonica Developer Community <inbox+saxonica+f38e+saxon@plan.io>
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Message-ID: <1505395926.12676.70.camel@w3.org>
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In-Reply-To: <redmine.journal-10092.20170914113341.21a7dbd90ef56177@plan.io>
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References: <redmine.issue-3434.20170910233631@plan.io>
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<redmine.journal-10092.20170914113341.21a7dbd90ef56177@plan.io>
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Subject: Re: [Saxon - Bug #3434] (In Progress) EXPath archive:create-map
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doesn't honour compression level
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Envelope-to: inbox+saxonica+f38e+saxon@plan.io
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Many thanks for looking at this. I'll find a workaround for the next
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few months if necessary; per-entry compression is needed (alas) to make
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EPUB 3 archives, and is supported (with archive elements) by xerces in
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Cocoon.
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On Thu, 2017-09-14 at 13:33 +0200, Saxonica Developer Community wrote:
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> --- In your reply, please do not write below this line ---
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> =
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> Issue #3434 has been updated by John Lumley.
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> =
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> Status changed from New to In Progress
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> =
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> Indeed, the 2-arity @arch:create()@ hasn't been implemented, and per-
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> entry compression level hasn't either. (We mostly focussed on reading
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> in testing.)
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> We'll implement (and document) per-entry compression for Saxon 9.8,
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> but not 9.7. In this case the only supported @compression@ values
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> will be '@stored@'=C2=A0=C2=A0and '@deflate@' (corresponding to those i=
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n
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> @java.util.zip.ZipEntry@)=C2=A0=C2=A0and=C2=A0=C2=A0the @compression-le=
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vel@ property will
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> be meaningless. The documentation will be updated to reflect the
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> implementation.
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> =
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> (Is there ever a day you wear shoes _and_ socks Liam?)
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> =
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> ----------------------------------------
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> Bug #3434: EXPath archive:create-map doesn't honour compression level
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> https://saxonica.plan.io/issues/3434?pn=3D1#change-10092
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> =
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> * Author: Liam Quin
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> * Status: In Progress
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> * Priority: Normal
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> * Assignee: John Lumley
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> * Category: EXSLT extensions
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> * Sprint/Milestone:=C2=A0
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> * Legacy ID:=C2=A0
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> * Applies to branch: 9.7
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> * Fix Committed on Branch:=C2=A0
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> * Fixed in Maintenance Release:=C2=A0
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> ----------------------------------------
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> The two-argument form of archive:cerate-map doesn't appear to be
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> implemented.
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> =
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> The single-argument form of archive:create-map doesn't seem to honour
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> the compression-level entry-level option, so that I can't turn off
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> Zip compression for the "mimetype" entry for an EPUB 3 zip archive.
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> =
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> Admittedly the documentation on the values for compression and
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> compression-level seems very sparse so I might just be doing it
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> wrongly!
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> =
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> I've enclosed an XSLT stylesheet that attempts to write out two
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> files, one with no compression and one with default compression. When
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> run (with itself as input) it creates "output.zip"; Expected result
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> is that if you examine the zip file directly - e.g., in a terminal,
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> less < output.zip, the contents of "mimetype" should be visible,
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> uncompressed. Or, run unzip -l -v on the file and see that it reports
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> Def:N -10%.
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> =
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> I'm using the Saxon EE that comes with oXygen XML Editor 19,
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> 9.7.0.15; also tried PE with the same result.
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> =
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> ---Files--------------------------------
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> zip-archive.xsl (1.07 KB)
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> =
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> =
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> --
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> This notification was cheerfully delivered by https://plan.io
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> =C2=A0
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-- =
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Liam Quin, W3C, http://www.w3.org/People/Quin/
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Staff contact for Verifiable Claims WG, XQuery WG
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Web slave for http://www.fromoldbooks.org/
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.