https://safernicotine.wiki/mediawiki/index.php?action=history&feed=atom&title=Template%3AOverarc%2FdocTemplate:Overarc/doc - Revision history2026-04-16T20:15:12ZRevision history for this page on the wikiMediaWiki 1.44.0https://safernicotine.wiki/mediawiki/index.php?title=Template:Overarc/doc&diff=39753&oldid=previmported>Mxn: /* Usage */2021-11-16T23:11:28Z<p><span class="autocomment">Usage</span></p>
<p><b>New page</b></p><div>{{Documentation subpage}}<br />
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This template places an elliptical arc over the given text. An overarc is the notation for [[repeating decimal]]s in [[Spain]] and some [[Latin America]]n countries and for named [[Curve|geometric arc]]s.<br />
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== Usage ==<br />
The sole, unnamed parameter is the text to place beneath the overarc. The text can be any arbitrary length and is not limited to digits. For example:<br />
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[[File:InscribedAngle 1ChordDiam.svg|thumb|right|''θ'' is the central angle subtending {{Screen reader-only|arc}} {{overarc|''AB''}} and ''ψ'' is the inscribed angle subtending {{Screen reader-only|arc}} {{overarc|''AB''}}.]]<br />
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* {{demo-inline|<nowiki>0.{{overarc|1}}</nowiki>}}<br />
* {{demo-inline|<nowiki>0.{{overarc|3}}</nowiki>}}<br />
* {{demo-inline|<nowiki>0.{{overarc|6}}</nowiki>}}<br />
* {{demo-inline|<nowiki>0.{{overarc|81}}</nowiki>}}<br />
* {{demo-inline|<nowiki>0.5{{overarc|83}}</nowiki>}}<br />
* {{demo-inline|<nowiki>0.{{overarc|142857}}</nowiki>}}<br />
* {{demo-inline|<nowiki>0.{{overarc|012345679}}</nowiki>}}<br />
* {{demo-inline|<nowiki>3.{{overarc|142857}}</nowiki>}}<br />
* {{demo-inline|<nowiki>{{overarc|''AB''}}</nowiki>}}<br />
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== Technical details ==<br />
{{Tracked|T32215}}<br />
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This template is a workaround for the [[mw:Extension:Math|Math]] extension's [[Help:Displaying a formula#Arc notation \overarc|lack of support]] for the <code>\overarc{…}</code> function in [[LaTeX]]:<br />
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<syntaxhighlight lang="latex"><br />
0.\overarc{012345679}<br />
</syntaxhighlight><br />
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<math>0.\overarc{012345679}</math><br />
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== Accessibility ==<br />
This template is purely presentational, relying on the [[CSS]] property [[devmo:Web/CSS/border-radius|<code>border-radius</code>]] and browser support for elliptical borders. To ensure that screen readers produce meaningful results, consider prepending something like {{tlx|Screen reader-only|repeating&nbsp;}} for a repeating decimal or {{tlx|Screen reader-only|arc&nbsp;}} for a reference to a geometric arc.<br />
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== See also ==<br />
* {{tl|Overline}}<br />
* {{tl|Underline}}<br />
* {{tl|Strikethrough}}<br />
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<includeonly>{{sandbox other||<br />
<!-- Categories below this line --><br />
[[Category:Mathematical formatting templates]]<br />
[[Category:Text-specific formatting and function templates]]<br />
[[Category:Typing-aid templates]]<br />
}}</includeonly></div>imported>Mxn