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Paul Merrell

Microsoft breaks IE8 interoperability promise | The Register - 0 views

www.theregister.co.uk/...hakon_lie_ie8_interoperability

8 hakon lie microsoft mode msie opera quirks standards web

shared by Paul Merrell on 02 Sep 08 - Cached
  • In March, Microsoft announced that their upcoming Internet Explorer 8 would: "use its most standards compliant mode, IE8 Standards, as the default." Note the last word: default. Microsoft argued that, in light of their newly published interoperability principles, it was the right thing to do. This declaration heralded an about-face and was widely praised by the web standards community; people were stunned and delighted by Microsoft's promise. This week, the promise was broken. It lasted less than six months. Now that Internet Explorer IE8 beta 2 is released, we know that many, if not most, pages viewed in IE8 will not be shown in standards mode by default.
  • How many pages are affected by this change? Here's the back of my envelope: The PC market can be split into two segments — the enterprise market and the home market. The enterprise market accounts for around 60 per cent of all PCs sold, while the home market accounts for the remaining 40 per cent. Within enterprises, intranets are used for all sorts of things and account for, perhaps, 80 per cent of all page views. Thus, intranets account for about half of all page views on PCs!
  • Paul Merrell on 02 Sep 08
     
    Article by Hakon Lie of Opera Software. Also note that acdcording to the European Commission, "As for the tying of separate software products, in its Microsoft judgment of 17 September 2007, the Court of First Instance confirmed the principles that must be respected by dominant companies. In a complaint by Opera, a competing browser vendor, Microsoft is alleged to have engaged in illegal tying of its Internet Explorer product to its dominant Windows operating system. The complaint alleges that there is ongoing competitive harm from Microsoft's practices, in particular in view of new proprietary technologies that Microsoft has allegedly introduced in its browser that would reduce compatibility with open internet standards, and therefore hinder competition. In addition, allegations of tying of other separate software products by Microsoft, including desktop search and Windows Live have been brought to the Commission's attention. The Commission's investigation will therefore focus on allegations that a range of products have been unlawfully tied to sales of Microsoft's dominant operating system." http://europa.eu/rapid/pressReleasesAction.do?reference=MEMO/08/19&format=HTML&aged=0&language=EN&guiLanguage=en
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)
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