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"not core" notes for mglyph and malignmark #507

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Sep 28, 2024
Merged

"not core" notes for mglyph and malignmark #507

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not in core notes
davidcarlisle Sep 17, 2024
9873cce
rebuild
davidcarlisle Sep 17, 2024
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24 changes: 22 additions & 2 deletions src/presentation-markup.html
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Expand Up @@ -1164,7 +1164,16 @@ <h4 id="presm_tokenchars">
<section>
<h5 id="presm_mglyph"><span>Using images to represent
symbols</span> <span class="coreno"><code class="defn emptytag">&lt;mglyph/&gt;</code></span></h5>


<div id="notcore-mglyph" class="note" title="mglyph is not in MathML-Core">
<p><code class="element">mglyph</code> is not supported in [[MathML-Core]].
In a Web Platform Context it is recommended that the HTML <code class="element">img</code>
element is used. This is allowed in token elements when MathML is embedded in (X)HTML.
</p>
<p>For existing MathML using <code class="element">mglyph</code> a <a href="https://w3c.github.io/mathml-polyfills/">Javascript polyfill</a>
is provided for Web documents that implements <code class="element">mglyph</code> using <code class="element">img</code>. </p>
</div>

<section>
<h6>Description</h6>

Expand Down Expand Up @@ -7088,7 +7097,18 @@ <h5 id="presm_mtdatts">Attributes</h5>
<section>
<h4 id="presm_malign">Alignment Markers
<span class="coreno"><code class="emptytag">&lt;maligngroup/&gt;</code>, <code class="emptytag">&lt;malignmark/&gt;</code></span></h4>



<div id="notcore-malign" class="note" title="malignmark and maligngroup are not in MathML-Core">
<p><code class="element">malignmark</code> and <code class="element">maligngroup</code> are not supported in [[MathML-Core]].
For most purposes it is recommended that alignment is implemented directly using <code class="element">mtable</code> columns. As noted in the following section these elements may be futher simplified or removed in a future version of MathML.
</p>
<p>For existing MathML using <code class="element">malignmark</code> a <a href="https://w3c.github.io/mathml-polyfills/">Javascript polyfill</a>
is provided.</p>
</div>



<section>
<h5 id="presm_malignmark_notice">Removal Notice</h5>
<p>
Expand Down