Subject: Re: [xsl] Namespace Identifiers - URI, URN, URL? From: "Michael Beddow" <mbnospam@xxxxxxxxxxx> Date: Wed, 29 Aug 2001 22:19:16 +0100 |
Tom, I was really only concerned to re-write those phrases by the original poster which I thought needed modification where encoding issues were concerned, and I wasn't intending complete endorsement about the effects of leaving off the encoding declaration or the use of "validity". I agree with you that in general > The real trouble is that a person can't easily determine what the true - as > opposed to the claimed or imagined - encoding really is. Until this is > possible, the encoding declaration can still turn out the be inaccurate. It > seems we need a document checker that can determine if a document's actual > encoding is consistent with some particular declaration but I think that most cases that crop up here involve two common scenarios, which are easily enough resolved if people are clear enough about the basic issues. 1) Documents containing text in an ISO-8859-X encoding are fed to an XML parser with an incorrect encoding declaration (either explicit or defaulted), and people who are unclear about the distinction between character sets and encodings don't understand what's going wrong. 2) A correctly-declared ISO-8859-X encoded input document is output in utf-8 encoding, then viewed in an application that isn't utf-8 aware, leading to complaints that is contains "garbage" when the application tries to render utf-8 multi-byte sequences as strings of 8-bit encoded characters. Both cases are simply enough to fix, once the problem is recognised for what it is. But as the archives show, despite a lot of documentation in the FAQ and repeated explanations on-list, people keep failing to recognise the problem, let alone solve it. Which, I think, means that those of us who understand the issue still haven't found an effective way of expressing that understanding, so we need to keep working at it. Michael --------------------------------------------------------- Michael Beddow http://www.mbeddow.net/ XML and the Humanities page: http://xml.lexilog.org.uk/ --------------------------------------------------------- XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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