29
edits
Accessibility/MathML: Difference between revisions
Added potential roles and relations alongside the background information.
(Changed proposed relation names.) |
(Added potential roles and relations alongside the background information.) |
||
| Line 12: | Line 12: | ||
The following includes descriptions and examples for the various types of MathML elements for the purpose of this document. | The following includes descriptions and examples for the various types of MathML elements for the purpose of this document. | ||
Some examples are pulled from MDN. | Some examples are pulled from MDN. Information about potential roles and relations will be included alongside the elements they cover. | ||
===Tokens=== | ===Tokens=== | ||
| Line 50: | Line 50: | ||
[[File:MathML-tokens.png|frame|left|The above describes y + 10, arbitrary text, an interpreted string literal, and a glyph (an image of x). Rendered using MathJax due to lack of glyph support in Gecko.]] | [[File:MathML-tokens.png|frame|left|The above describes y + 10, arbitrary text, an interpreted string literal, and a glyph (an image of x). Rendered using MathJax due to lack of glyph support in Gecko.]] | ||
<br clear=all> | <br clear=all> | ||
====Potential role mappings==== | |||
* mi = MATHML_IDENTIFIER | |||
* mn = MATHML_NUMBER | |||
* mo = MATHML_OPERATOR | |||
* mtext = MATHML_TEXT | |||
* mspace = MATHML_SPACE | |||
* ms = MATHML_STRING_LITERAL | |||
* mglyph = MATHML_GLYPH | |||
===Layout=== | ===Layout=== | ||
| Line 117: | Line 126: | ||
[[File:MathML-layout-semantics.png|frame|left|The above describes (x+y) + 2, x/2 as a fraction, the square root of 2, the 5th root of x, a 3D vector (x, y, z), and (a + b) circled. Rendered using Gecko.]] | [[File:MathML-layout-semantics.png|frame|left|The above describes (x+y) + 2, x/2 as a fraction, the square root of 2, the 5th root of x, a 3D vector (x, y, z), and (a + b) circled. Rendered using Gecko.]] | ||
<br clear=all> | <br clear=all> | ||
=====Potential role mappings===== | |||
* mrow = MATHML_ROW | |||
* mfrac = MATHML_FRACTION | |||
* msqrt = MATHML_SQUARE_ROOT | |||
* mroot = MATHML_ROOT | |||
* mfenced = MATHML_FENCED | |||
* menclose = MATHML_ENCLOSED | |||
=====Potential relations===== | |||
* row to children: MATHML_ROW_FOR | |||
* children to row: MATHML_IN_ROW | |||
* numerator to fraction: MATHML_NUMERATOR_OF | |||
* fraction to numerator: MATHML_NUMERATOR | |||
* denominator to fraction: MATHML_DENOMINATOR_OF | |||
* fraction to denominator: MATHML_DENOMINATOR | |||
* radicand to root: MATHML_RADICAND_OF | |||
* root to radicand: MATHML_RADICAND | |||
* root index to root: MATHML_ROOT_INDEX_OF | |||
* root to root index: MATHML_ROOT_INDEX | |||
====Formatting==== | ====Formatting==== | ||
| Line 143: | Line 172: | ||
[[File:MathML-layout-formatting.png|frame|left|The above describes the expression "x + y" rendered in blue from right to left, with extra padding, and with the "+ y" not displayed. Rendered using Gecko.]] | [[File:MathML-layout-formatting.png|frame|left|The above describes the expression "x + y" rendered in blue from right to left, with extra padding, and with the "+ y" not displayed. Rendered using Gecko.]] | ||
<br clear=all> | <br clear=all> | ||
=====Potential role mappings===== | |||
* mstyle = MATHML_STYLE | |||
* mpadded = MATHML_PADDED | |||
* mphantom = MATHML_PHANTOM | |||
====Elementary math==== | ====Elementary math==== | ||
| Line 192: | Line 226: | ||
[[File:MathML-layout-elementary.png|frame|left|300px|The above describes the subtraction of 15 from 523, with a borrow from the ten's column to the one's column, as well as the division of 5 by 5 resulting in 1. Rendered using the MathML-mml3ff addon with Gecko as elementary math support is not natively available in Gecko.]] | [[File:MathML-layout-elementary.png|frame|left|300px|The above describes the subtraction of 15 from 523, with a borrow from the ten's column to the one's column, as well as the division of 5 by 5 resulting in 1. Rendered using the MathML-mml3ff addon with Gecko as elementary math support is not natively available in Gecko.]] | ||
<br clear=all> | <br clear=all> | ||
=====Potential role mappings===== | |||
* mstack = MATHML_STACK | |||
* mlongdiv = MATHML_LONG_DIVISION | |||
* msgroup = MATHML_STACK_GROUP | |||
* msrow = MATHML_STACK_ROW | |||
* mscarries = MATHML_STACK_CARRIES | |||
* mscarry = MATHML_STACK_CARRY | |||
* msline = MATHML_STACK_LINE | |||
===Scripts and limits=== | ===Scripts and limits=== | ||
| Line 243: | Line 286: | ||
[[File:MathML-scripts-limits.png|frame|left|The above describes the base b with subscript 1 and superscript 2, the summation of n from 1 to 5 being 15, and x with post-superscript a and pre-subscript b. Rendered using Gecko.]] | [[File:MathML-scripts-limits.png|frame|left|The above describes the base b with subscript 1 and superscript 2, the summation of n from 1 to 5 being 15, and x with post-superscript a and pre-subscript b. Rendered using Gecko.]] | ||
<br clear=all> | <br clear=all> | ||
====Potential role mappings==== | |||
* msub = MATHML_SUB | |||
* msup = MATHML_SUP | |||
* msubsup = MATHML_SUB_SUP | |||
* munder = MATHML_UNDER | |||
* mover = MATHML_OVER | |||
* munderover = MATHML_UNDER_OVER | |||
* mmultiscripts = MATHML_MULTISCRIPTS | |||
====Potential relations==== | |||
* underscript to parent structure (munder/munderover): MATHML_UNDER_OF | |||
* parent structure to underscript: MATHML_UNDER | |||
* overscript to parent structure (mover/munderover): MATHML_OVER_OF | |||
* parent structure to overscript: MATHML_OVER | |||
* base to parent structure (munder, mover, munderover, msub, msup, msubsup, mmultiscripts): MATHML_BASE_OF | |||
* parent structure to base: MATHML_BASE | |||
* subscript to parent structure (msub, msubsup): MATHML_SUBSCRIPT_OF | |||
* parent structure to subscript: MATHML_SUBSCRIPT | |||
* superscript to parent structure (msup, msubsup): MATHML_SUPERSCRIPT_OF | |||
* parent structure to superscript: MATHML_SUPERSCRIPT | |||
* pre-subscript to parent structure (mmultiscripts): MATHML_PRE_SUBSCRIPT_OF | |||
* parent structure to pre-subscript: MATHML_PRE_SUBSCRIPT | |||
* pre-superscript to parent structure (mmultiscripts): MATHML_PRE_SUPERSCRIPT_OF | |||
* parent structure to pre-superscript: MATHML_PRE_SUPERSCRIPT | |||
* post-subscript to parent structure (mmultiscripts): MATHML_POST_SUBSCRIPT_OF | |||
* parent structure to post-subscript: MATHML_POST_SUBSCRIPT | |||
* post-superscript to parent structure (mmultiscripts): MATHML_POST_SUPERSCRIPT_OF | |||
* parent structure to post-superscript: MATHML_POST_SUPERSCRIPT | |||
===Tables/matrices=== | ===Tables/matrices=== | ||
| Line 350: | Line 422: | ||
[[File:MathML-tables-matrices.png|frame|left|The above describes the two-by-two identity matrix, the equation to determine the volume of a sphere, and two aligned equations. Rendered using MathJax due to lack of support of mlabeledtr, maligngroup, and malignmark in Gecko.]] | [[File:MathML-tables-matrices.png|frame|left|The above describes the two-by-two identity matrix, the equation to determine the volume of a sphere, and two aligned equations. Rendered using MathJax due to lack of support of mlabeledtr, maligngroup, and malignmark in Gecko.]] | ||
<br clear=all> | <br clear=all> | ||
====Potential role mappings==== | |||
* mtable = MATHML_TABLE | |||
* mtr = MATHML_LABELED_ROW | |||
* mlabeledtr = MATHML_TABLE_ROW | |||
* mtd = MATHML_CELL | |||
* maligngroup = MATHML_ALIGNMENT_GROUP | |||
* malignmark = MATHML_ALIGNMENT_MARK | |||
===Semantics annotation=== | ===Semantics annotation=== | ||
| Line 397: | Line 477: | ||
[[File:MathML-semantics-annotation.png|frame|left|The above is the square of x added to y, with the content also annotated (invisibly) as Content MathML and TeX markup. Rendered using Gecko.]] | [[File:MathML-semantics-annotation.png|frame|left|The above is the square of x added to y, with the content also annotated (invisibly) as Content MathML and TeX markup. Rendered using Gecko.]] | ||
<br clear=all> | <br clear=all> | ||
====Potential role mappings==== | |||
* semantics = MATHML_SEMANTICS | |||
* annotation = MATHML_ANNOTATION | |||
* annotation-xml = MATHML_XML_ANNOTATION | |||
===Other=== | ===Other=== | ||
| Line 452: | Line 537: | ||
[[File:MathML-other-action.gif|frame|left|The above is a togglable expression displaying 6/8, (3*2)/(4*2), and 3/4 upon each mouse press. Rendered using Gecko.]] | [[File:MathML-other-action.gif|frame|left|The above is a togglable expression displaying 6/8, (3*2)/(4*2), and 3/4 upon each mouse press. Rendered using Gecko.]] | ||
<br clear=all> | <br clear=all> | ||
====Potential role mappings==== | |||
* maction = MATHML_ACTION | |||
* merror = MATHML_ERROR | |||
=Interface= | =Interface= | ||