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Paul Merrell

Safe Plurality: Can it be done using OOXML's Markup Compatibility and Extensions mechan... - 0 views

broadcast.oreilly.com/...plurality-markup-compatab.html

OOXML compatibility frameworks

shared by Paul Merrell on 14 Feb 09 - Cached
  • During the OOXML standardization proceedings, the ISO particpants felt that there was one particular sub-technology, Markup Compatibility and Extensibility (MCE), that was potentially of such usefulness by other standards, that it was brought out into its own part. It is now IS29500:2009 Part 3: you can download it in its ECMA form here, it only has about 15 pages of substantive text. The particular issue that MCE address is this: what is an application supposed to do when it finds some markup it wasn't programmed to accept? This could be extension elements in some foreign namespace, but it could also be some elements from a known namespace: the case when a document was made against a newer version of the standard than the application.
  • Paul Merrell on 14 Feb 09
     
    Rick Jelliffe posts a frank view of the OOXML compatibility framework, a document I've studied myself in the past. There is much that is laudable about the framework, but there are also aspects that are troublesome. Jelliffe identifies one red flag item, the freedom for a vendor to "proprietize" OOXML using the MustUnderstand attribute and offers some suggestions for lessening that danger through redrafting of the spec. One issue he does not touch, however, is the Microsoft Open Specification Promise covenant not to sue, a deeply flawed document in terms of anyone implementing OOXML other than Microsoft. Still, there is so much prior art for the OOXML compatibility framework that I doubt any patent reading on it would survive judicial review. E.g., a highly similar framework has been implemented in WordPerfect since version 6.0. and the OOXML framework is remarkably similar to the compatibility framework specified by OASIS OpenDocument 1.0 but subsequently gutted at ISO. The Jelliffe article offers a good overview of factors that must be considered in designing a standard's compatibility framework. For those that go on to read the compatibility framework's specification, keep in mind that in several places the document falsely claims that it is an interoperability framework. It is not. It is a framework designed for one-way transfer of data, not interoperability which involves round-trip 2-way of exchange of data without data loss.
Paul Merrell

Introducing the Open XML Format External File Converter for 2007 Microsoft Office Syste... - 0 views

msdn.microsoft.com/...dd300649.aspx

OOXML native file support APIs native formats MS Office conversions

shared by Paul Merrell on 10 Dec 08 - Cached
  • In other words, revising the Open XML Format converter interfaces by adding new functionality does not require any recompilation of existing clients. This guarantees backward compatibility as these converter interfaces are upgraded.
    • Paul Merrell
      Paul Merrell on 10 Dec 08
       
      But what does it do for forward compatibility? OOXML is a moving interoperabillity target.
  • In addition to allowing converters to override external file formats, the applications allow converters to override OpenDocument Format-related formats (such as .odt). For example, if you specify a converter to be the default converter for .odt, Word 2007 SP2 invokes the specified converter whenever a user tries to open an .odt file from the Windows Shell instead of going through the native load path for Word 2007 SP2.
    • Paul Merrell
      Paul Merrell on 10 Dec 08
       
      How wonderful. Developers can bypass the forthcoming Microsoft native file support for ODF. Perhaps to convert Excel formulas to OpenForumla?
  • Open XML Format converters for Word 2007 SP2, Excel 2007 SP2, or PowerPoint 2007 SP2 are implemented as out-of-process COM servers. Out-of-process converters have the benefit of running in their own process space, which means issues or crashes within converters do not affect the application process space. In addition, out-of-process 32-bit converters can function on 64-bit operating systems in Microsoft Windows on Windows 64-bit (WoW64) mode without the need for converters to be compiled in 64-bit.
    • Paul Merrell
      Paul Merrell on 10 Dec 08
       
      Pretty lame excuses for not documenting the native file support APIs. I.e., the native file supoort APIs already throw "can't open file" error messages for problematic documents without crashing the app. The bit about not needing to recompile converters for 64-bit Windoze is a complete red herring. This is only a benefit if one requires conversion in an external process. It wouldn't be an issue if the native file support APIs were documented and their intermediate formats were the interop targets.
    • Paul Merrell
      Paul Merrell on 10 Dec 08
       
      I.e., one need not recompile the Office app if a supported native format is added. The OpenDocument Foundation and Sun plug-ins for MS Office proved that.
  • ...3 more annotations...
  • To begin developing a converter, you should familiarize yourself with the Open XML standard. For more information, see: Standard ECMA-376: Office Open XML File Formats.
    • Paul Merrell
      Paul Merrell on 10 Dec 08
       
      Note that they specify Ecma 376 rather than ISO/IEC:29500-2008 Office Open XML. So you get to rewrite your converters when Microsoft adds support for the official standard in the next major release of Office.
  • External files are imported into Word 2007 SP2, Excel 2007 SP2, or PowerPoint 2007 SP2 by converting the external file to Open XML Formats. External files are exported from Word 2007 SP2, Excel 2007 SP2, or PowerPoint by converting Open XML Formats to external files. The success of either the import or export conversion depends upon the accurate generation and interpretation of Open XML Formats by the converter.
    • Paul Merrell
      Paul Merrell on 10 Dec 08
       
      Note that this is a process external to the native file support APIs and their intermediate formats. The real APIs apparently will remain obfuscated. Thiis forces others to develop support for Ecma 376 rather than working directly with the native file support APIs. In other words, more incentives for others to target the moving target OOXML rather than the more stable intermediate formats.
  • Summary: Get the details about the interfaces that you need to use to create an Open XML Format External File Converter for the 2007 Microsoft Office system Service Pack 2 (SP2). (16 Printed Pages)
Paul Merrell

ZoooS Previews "OpenOffice.org 3.0 in a Browser" | Software Journal - 0 views

stuff.techwhack.com/4729-zooos

cartel dead end technology ooo zoos

shared by Paul Merrell on 06 Sep 08 - Cached
  • ZoooS LLC today previewed ZoooS Office, a web-based office suite that puts OpenOffice.org 3.0 in a browser, targeting enterprise, SMB, and individual users alike with a blend of software-as-a-service (SaaS) and desktop advantages.
  • Other key ZoooS Office implementations will include Mozilla XULRunner; Firefox, Opera, Safari as well as the new Google Chrome web browser; social networking sites such as Facebook, MySpace, and Second Life; and Nintendo Wii and Sony PlayStation. Regardless of implementation, ZoooS applications run entirely on the client machine, performing all file operations locally to reduce network traffic, improve application performance, and support offline access.
  • Public availability of ZoooS Office is scheduled for the fourth quarter of 2008. Initially, ZoooS will deliver the Mozilla XULRunner version, a Firefox plug-in, an Opera widget, and an intranet server. ZoooS will follow up with a Vista gadget and Internet Explorer support in the first half of 2009. For more information on ZoooS, please visit www.zooos.com.
  • Paul Merrell on 06 Sep 08
     
    Yet another wrapper around OpenOffice.org, this time the 3.0 version still in beta. $99.90 per seat for 10 users, Lots of Javascript to give a web collaboration capability. Perhaps most notable so far: [i] a sniff that there's a fair amount of money behind this one; and [ii] an article by Eric Lai says they approached the OOo Project but were rebuffed because they compete with desktop OOo. Support for different browsers planned. an XULRunner plug-in the works. Several mashups mentioned. Claims 80 percent of OOo features available, which is another way of saying that 20 per cent of the features are not supported. Claim that oSays code will be released under GPL. Apparently that's just their custom stuff because OOo 3.0 beta is LGPL. Building a business atop a code base controlled by a malevolent branch of Sun Microsystems seems less than wise. More at zooos.com. Preliminary impression: Like OOo itself, dead end technology that sucks mind and market share from software that supports truly open standards. The world needs to figure out that the OpenDocument format is roughly as open as OOXML. Open standards are fully specified so anyone can implement them.
Paul Merrell

Publicly Available Standards - 0 views

standards.iso.org/...index.html

iso_iec:26300-2006 odf

shared by Paul Merrell on 29 May 08 - Cached
    • Paul Merrell
      Paul Merrell on 29 May 08
       
      This is the download page for ISO/IEC information technology standards available at no charge. The same standards are available on other ISO, IEC, and other standards organizations' web pages for a fee. If you need an ISO/IEC information technology standard, check here before you pay money for what's also given away for free. Notice that standards are arranged on the page in numerical order.
  • Paul Merrell on 29 May 08
     
    Most ISO and IEC standards are only available for purchase. However, a few are publicly available at no charge. ISO/IEC:26300-2006 is one of the latter and can be downloaded from this page in XHTML format. Note that the standards listed on the page are arranged numerically and the OpenDocument standard is very near the bottom of the page. This version of ODF is the only version that has the legal status of an international standard, making it eligible as a government procurement specification throughout all Member nations of the Agreement on Government Procurement.
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Paul Merrell

Microsoft, Intel join the ODF Technical Committee - 0 views

www.oasis-open.org/...tc_home.php

intel members microsoft odf odf tc opendocument standards

shared by Paul Merrell on 12 Jun 08 - Cached
  • Adobe Systems Google Inc.* IBM Intel Corporation Microsoft Corporation Novell* Sun Microsystems
  • Paul Merrell on 12 Jun 08
     
    The ODF TC home page just changed its list of "OASIS Sponsor-level members who have reperesentatives serving on this TC." Microsoft and Intel have just joined the ODF party. Let the party begin!
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