J Changes (Non-Normative)

J.1 Changes between MathML 2.0 and MathML 2.0 2nd Edition

• Changes to Status.

  • New text in Status.

• Changes to Section 2.1 MathML Overview.

  • Modify description of namespace declarations in Section 2.2 MathML in a Document.

  • Modify description of entity usage in Section 2.3.1 Presentation Examples.

  • Correct the MathML and default rendering of quatratic formula example in Section 2.3.2 Content Examples.

  • Wording changes in Section 2.4.5 Attributes Shared by all MathML Elements.

• Changes to Chapter 3 Presentation Markup.

  • Delete incorrect reference to default em units in Section 3.2.5.7.5 Spacing around an operator.

  • Delete references to Negative Space Characters in Section 3.2.6 Text (mtext) and Section 3.3.4 Style Change (mstyle).

  • Editorial changes to the wording in Section 3.2.8 String Literal (ms).

  • Correct description of lspace value in Section 3.3.6 Adjust Space Around Content (mpadded).

  • Add warning that attempts to render outside the bounding box of the MathML expression will give implemetation specific results in Section 3.3.6 Adjust Space Around Content (mpadded).

  • Modify text to match example and refer to over brace rather than over bar in Section 3.4.5 Overscript (mover).

  • Correct description of displaystyle in Section 3.3.2 Fractions (mfrac) (may be set on mtable).

  • The example in Section 3.3.9 Enclose Expression Inside Notation (menclose) omitted units in the columnspacing and rowspacing attributes.

  • Correct the example MathML in Section 3.5.1 Table or Matrix (mtable).

  • Correct the description of minlabelspacing in Section 3.5.5 Alignment Markers.

  • Correct the description the linebreak attribute in Section 3.2.7 Space (mspace).

• Changes to Chapter 4 Content Markup.

  • Add comment about use of semantics in Section 4.2.1 Overview of Syntax and Usage.

  • Modify description of the definitionURL attribute in Section 4.2.1.4 Explicitly defined functions and operators, Section 4.2.2 Containers to be consistent with the DTD with regard to the type attribute.

  • Modify description of the type attribute in Section 4.2.1 Overview of Syntax and Usage.

  • Add clarifying comments on the attributes allowed on declare and give new extended example in Section 4.4.2.8 Declare (declare).

  • Editorial correction to text in Section 4.4.6.3 Union (union) and Section 4.4.6.8 Proper Subset (prsubset).

  • New text clarifying the use of tendsto in Section 4.4.7.4 Tends To (tendsto).

  • Clarifying the use of definitionURL and encoding attributes with annotation in Section 4.4.11.1 Annotation (annotation) and Section 4.4.11.2 Semantics (semantics).

  • New text highlighting the fact that vector may be rendered either horizontally or vertically in Section 4.4.10.1 Vector (vector).

  • The descriptions of the "scientific, or e notation" (1.234e5) in Section 4.3.2.9 type, Section 4.4.1.2 Identifier (ci) and Appendices C and D became inconsistent in the final draft of MathML2. The older names float and floating-point remained, and the description of type="e-notation" in Chapter 4 (but not Appendix C) described its use with the example 1.234 e 5 where e was used as a separator rather than the sep element

  • Correct the example MathML in Section 4.3.3.2 General Attributes.

  • Add note to Section 4.4.3.17 Universal quantifier (forall) observing that the mathematical expressions in the examples are false.

  • Clarify that the order of child elements of bvar is not signifcant in Section 4.4.5.6 Bound variable (bvar).

  • Correct the example of OpenMath usage in in Section 4.4.11.3 XML-based annotation (annotation-xml).

• Changes to Chapter 5 Combining Presentation and Content Markup.

  • Editorial corrections to text in Section 5.2 Mixed Markup.

  • Correct the complexity of parallel markup given in Section 5.3 Parallel Markup to O(n log n).

  • Modify the example rendering image to include both sides of the equivalence expression in Section 5.2.1 Reasons to Mix Markup.

  • Add bibiographic reference to the OpenMath Standard in Section 5.2.1 Reasons to Mix Markup.

  • Correct the example MathML in Section 5.4.3 Style Sheets for Extensions.

• Changes to Chapter 6 Characters, Entities and Fonts.

  • Editorial changes to Section 6.1 Introduction.

  • Delete references to (deprecated) negative and other spacing characters in the table in Section 6.2.4 Non-Marking Characters.

  • Delete reference to possible Unicode characters for Boolean values as these were not in the final set of characters added at Unicode 3.2, Section 6.3.1 Special Constants.

  • Some changes in Section 6.3.4 Negated Mathematical Characters to document the current usage of combining characters which have been brought into line with the final versions of Unicode 3.2.

  • Changes to Section 6.2 MathML Characters, Section 6.2.1 Unicode Character Data, Section 6.2.3 Mathematical Alphanumeric Symbols Characters., Section 6.3.2 Character Tables (ASCII format), Section 6.3.3 Tables arranged by Unicode block, Section 6.3.5 Variant Mathematical Characters, Section 6.3.6 Mathematical Alphanumeric Symbols and Section 6.4.4 Status of Character Encodings, to reflect Unicode 3.1 and 3.2 which were both released after the first edition of MathML 2.0.

• Changes to Chapter 7 The MathML Interface.

  • Editorial changes to Section 7.1.2 The Top-Level math Element.

  • Change reference to XLink which is now a W3C Recommendation, Section 7.1.4 Mixing and Linking MathML and HTML.

  • New section, Section 7.1.5 MathML and Graphical Markup giving an example integrating with SVG.

• Changes to Appendix A Parsing MathML.

  • New section, Section A.1 Use of MathML as Well-Formed XML describing use without a DTD.

  • The location of the MathML DTDs described in Section A.2.1 DOCTYPE Declaration for MathML and Section A.2.3 MathML as a DTD Module are now in the Math Working group area rather than distributed with this Recommendation.

  • New sections descriping parameterisation possibilities for the DTD: Section A.2.2.1 Namespace Prefix, Section A.2.2.2 Plane 1 Characters and Section A.2.2.3 Additional DTD Checking.

  • In Section A.2.4 SGML, the link to the W3C Note on SGML and XML has been corrected and changed to a bibliography reference.

  • The MathML DTD as shown in Section A.2.5 The MathML DTD Incorporates several corrections as listed in the MathML 2.0 Errata document.

  • New section, Section A.3 Using the MathML XML Schema describing the use of the W3C XML Schema for MathML.

• Changes to Appendix B Content Markup Validation Grammar.

  • Many corrections, and new display format for the productions given in the grammar for Content Markup in Appendix B Content Markup Validation Grammar.

• Changes to Appendix C Content Element Definitions.

  • Many corrections to the MathML Examples in cn, ci, interval, factorial, rem, root, gcd, divide, plus, equivalent, partialdiff, divergence, grad, limit, moment, selector, rationals, exponentiale, imaginaryi.

  • Clarify the use of definitionURL in in Section C.1 About Content Markup Elements.

• Changes to Appendix D Document Object Model for MathML.

  • Corrections to the following interfaces: MathMLPresentationToken, MathMLContentToken, MathMLSpaceElement, MathMLOperatorElement, MathMLStyleElement, MathMLFencedElement, MathMLFractionElement, MathMLContentElement, MathMLIntervalElement, MathMLApplyElement.

• Changes to Appendix F Operator Dictionary.

  • Blank lines in Section F.5 Operator dictionary entries used in the inferred mrow grouping algorithm were omitted. They have been restored based on the groupings in MathML 1.01.

• Changes to Appendix I Working Group Membership and Acknowledgments.

  • Document changes in Working Group membership in Section I.1 The Math Working Group Membership.

• Changes to Appendix J Changes.

  • New section Section J.1 Changes between MathML 2.0 and MathML 2.0 2nd Edition describing changes in the 2nd edition.