J Changes (Non-Normative)

Overview: Mathematical Markup Language (MathML) Version 2.0
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J Changes (Non-normative)

This appendix summarizes the changes with respect to the preceding version (1.01) of the MathML Specification.

• changes to Chapter 1 [Introduction]
  • rewritten to reflect developments since publication of the MathML 1.0 Recommendation, for example XML, XSL, CSS and schemas
• changes to Chapter 2 [MathML Fundamentals]
  • rewritten to reflect developments since publication of the MathML 1.0 Recommendation, for example XML, XSL, CSS and schemas
  • examples were rewritten to reflect good MathML 2.0 practice
  • descriptions of attribute values were updated to reflect MathML 2.0
• changes to Chapter 3 [Presentation Markup]
  • introduced a new section on bidirectional layout of mathematics
  • introduced new mathematics style attributes mathvariant, mathsize, mathweight, and mathcolor on token elements, and deprecated the use of fontfamily, fontsize, fontweight, fontstyle and color.
  • introduced new elements mglyph, menclose and mlabeledtr and updated related text accordingly
  • added attributes beveled, numalign and denomalign to mfrac
  • added a linebreaking attribute to mspace
  • required mtr and mtd elements to be explicit instead of allowing them to be inferred.
• changes to Chapter 4 [Content Markup]
  • deprecated the use of reln and fn and changed the use of apply accordingly
  • introduced csymbol and added a discussion about the relation to the deprecated fn element
  • introduced new content elements domain, codomain, image, domainofapplication, arg, real, imaginary, lcm, floor, ceiling, equivalent, approx, divergence, grad, curl, laplacian, card, cartesianproduct, momentabout, vectorproduct, scalarproduct, outerproduct, integers, reals, rationals, naturalnumbers, complexes, primes, exponentiale, imaginaryi, notanumber, true, false, emptyset, pi, eulergamma, infinity, piecewise, piece and otherwise
  • corrected examples and fixed typos
  • expanded the attribute definitionURL to allow a URL or a URI as a value
  • clarified the use of presentation markup inside cn
  • made use of encoding attribute more uniform
  • changed description of the use of bvar in combination with min and max
• changes to Chapter 5 [Combining Presentation and Content Markup]
  • added description of content-faithful transformation
  • updated examples to reflect MathML 2.0
  • define list of content that can appear in presentation
  • add attribute xref for cross-referencing purposes
  • added examples using XLink and namespaces
  • make use of encoding attribute more uniform
  • miscellaneous typographical corrections
• changes to Chapter 6 [Characters, Entities and Fonts]
  • added a new section describing the methods of using Unicode data within MathML
  • added a new section describing the correspondence between Math Alphabet characters and the mathvariant attribute
  • completely revised and reformatted the MathML character tables to reflect changes in Unicode since MathML 1.01
• changes to Chapter 7 [The MathML Interface]
  • reworked the text in acknowledgement of the fact that the top-level and interface elements for MathML are now in practice the same
  • rewrote the text about linking to reflect changes in XLink since MathML 1.01
  • revised material about interactions with embedded renderers to reflect the current state of DOM implementation
  • added a definition of deprecated features in MathML 2
  • updated the text to reflect the use of namespaces and the introduction of XHTML. 2.0
  • added a new section on the appropriate use of CSS and the new mathematics style attributes in rendering environments with support CSS
• changes to Chapter 8 [Document Object Model for MathML]
  • this is a completely new chapter
• changes to Appendix A [Parsing MathML]
  • renamed attribute occurence to occurrence
  • added global attribute xref
  • add links to tables for each entity set
• changes to Appendix B [Content Markup Validation Grammar]
  • Updated to reflect MathML 2.0.
• changes to Appendix C [Content Element Definitions]
  • completely rewritten to reflect changes in MathML 2.0
• changes to Appendix F [Operator Dictionary]
  • entries in operator dictionary are parametrized
  • operator dictionary has become a non-normative part of the specification
  • new entries were added to operator dictionary
• changes to Appendix D [Document Object Model for MathML]
  • this is a completely new appendix, containing the IDL definitions
• changes to Appendix H [Glossary]
  • added entries for XSL, XSLT and XSL FO
• changes to Appendix I [Working Group Membership and Acknowledgments]
  • all members of first and second Math Working Group are listed
• changes to Appendix J [Changes]
  • completely new appendix, based on the logs obtained from CVS
• changes to Appendix K [References]
  • added and updated many entries
• general changes
  • text of specification now in XML form, with HTML and XHTML rendering by means of XSLT, and PDF rendering by means of XSLT and T _EX
  • fixed errors in spelling and notation
  • normative examples of formulas are images, with a LaT _EX equivalent
  • non-normative examples of formulas are HTML constructions wherever possible
  • improved cross-referencing

Overview: Mathematical Markup Language (MathML) Version 2.0
Previous: I Working Group Membership and Acknowledgments (Non-normative)
Next: K References (Non-normative)