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Re: "Introducing MicroXML, Part 1: Explore the basicprinciples

• From: John Cowan <cowan@mercury.ccil.org>
• To: David Carlisle <davidc@nag.co.uk>
• Date: Wed, 4 Jul 2012 14:49:54 -0400

A fine crop of factual errors today!

David Carlisle scripsit:

> In parsers that support xml:base they use it to resolve any relative
> URI specified in SYSTEM entity references. 

This is absolutely untrue.  The scope of xml:base is at most the root
element: it cannot affect the DOCTYPE.  Check  the xml:base recommendation:
not a word about system identifiers.


Liam R E Quin scripsit:

> What would be the use of that? The parser _needs_ to resolve (and
> follow) URIs in system identifiers, so it _needs_ xml:base.

Nope.

Andrew Welch scripsit:

> The xml parser is meant to use it to filter elements, hiding them them
> from the receiving application as if they didn't exist.

What fevered imagination did that notion spring from?  It's true that
parsers aren't (by an accident of wording) required to report elements,
but there is no hint in the XML Rec (where xml:lang is defined) or any
other recommendation of anything like this.

-- 
Principles.  You can't say A is         John Cowan <cowan@ccil.org>
made of B or vice versa.  All mass      http://www.ccil.org/~cowan
is interaction.  --Richard Feynman

• Follow-Ups:
  • Re: "Introducing MicroXML, Part 1: Explore the basic principlesof MicroXML"
    • From: David Carlisle <davidc@nag.co.uk>
  • Re: "Introducing MicroXML, Part 1: Explore the basicprinciples of MicroXML"
    • From: Liam R E Quin <liam@w3.org>
  • Re: "Introducing MicroXML, Part 1: Explore the basicprinciples of MicroXML"
    • From: Andrew Welch <andrew.j.welch@gmail.com>

• References:
  • RE: "Introducing MicroXML, Part 1: Explore the basic principles of MicroXML"
    • From: Pete Cordell <petexmldev@codalogic.com>
  • RE: "Introducing MicroXML, Part 1: Explore the basicprinciples of MicroXML"
    • From: "Rushforth, Peter" <Peter.Rushforth@NRCan-RNCan.gc.ca>
  • Re: "Introducing MicroXML, Part 1: Explore the basicprinciples of MicroXML"
    • From: Andrew Welch <andrew.j.welch@gmail.com>
  • RE: "Introducing MicroXML, Part 1: Explore the basicprinciples of MicroXML"
    • From: "Rushforth, Peter" <Peter.Rushforth@NRCan-RNCan.gc.ca>
  • Re: "Introducing MicroXML, Part 1: Explore the basic principlesof MicroXML"
    • From: David Carlisle <davidc@nag.co.uk>