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HTML for AC Acronym

when AC means Air Conditioning

New! Now updated with the inheritance rules for the title attribute in HTML 5

The easiest way to create HTML code indicating that the acronym AC stands for Air Conditioning is to simply include the acronym in an HTML <a> tag and an abbreviation tag (not an acronym tag):

<a href="http://www.Acronyms.net/terms/a/Air-Conditioning/" title="Air Conditioning"
onclick="if (confirm('AC stands for Air Conditioning')) return false;"
>
<abbr>AC</abbr>
</a>

This is the recommended code for both HTML 4 browsers and HTML 5 browsers. Some browsers, most notably IE, do not activate help when the title attribute is coded on the <abbr> tag, but they do work as expected for titles on the <a> tag. The <abbr> tag inherits its title attribute from the parent <a> tag.

If you are creating HTML code for the definition of Air Conditioning, the meaning of the acronym AC, then include a <dfn> definition tag around the <abbr> abbreviation tag and follow the entire HTML code for the hypertext link with the definition of the term:

<p>A <a href="http://www.Acronyms.net/terms/a/Air-Conditioning/" title="Air Conditioning"
onclick="if (confirm('AC stands for Air Conditioning')) return false;"
>
<dfn><abbr title="Air Conditioning">AC</abbr>
</a> is ...(definition of Air Conditioning)....</p>

The <dfn> tag gets the term being defined from the title attribute of the <abbr> tag. The result should look like this (hovering your mouse over the AC acronym shows the expanded meaning of the acronym):

A AC is ...(definition of "Air Conditioning")....

If you are creating HTML code that simply expands the acronym then indicate that it is the AC acronymn which is being defined using an HTML <dfn> tag with a title attribute around the <abbr> tag and follow the HTML for the hypertext link with the acronym definition:

<p>When we use the acronym <a href="http://www.Acronyms.net/terms/a/Air-Conditioning/" title="Air Conditioning"
onclick="if (confirm('AC stands for Air Conditioning')) return false;"
>
<dfn title="AC"><abbr title="Air Conditioning">AC</abbr></dfn>
</a> it is the abbreviation for Air Conditioning.</p>

The result should look like this (hovering your mouse over the AC acronym shows the definition):

When we use the acronym AC it is the abbreviation for Air Conditioning.

Acronym Vocabulary URI Declaration

For the remaining examples, the Acronym Vocabulary namespace URI needs to be declared for use with element tag names and attribute values. For an HTML web page, the beginning of the file should look like this:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html [
<!ENTITY at "http://Acronyms.net/terms/">
<!ENTITY av "http://Acronyms.net/vocabulary/">
]>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:av="&av;">
<head>
<style type="text/css">
.hide { display: none }
</style>
...

This only needs to be done once per document file.

XLink simple link

First, declare the vocabulary as shown above. Then, add acronyms as follows:

<a href="http://www.Acronyms.net/terms/a/Air-Conditioning/" title="Air Conditioning"
xlink:type="simple"
xlink:href="http://www.Acronyms.net/terms/a/Air-Conditioning/"
xlink:arcrole="&av;definedAt"
xlink:role="&av;definition"
xlink:title="Air Conditioning"
xlink:show="new"
xlink:actuate="onRequest"
>
<abbr
xlink:type="simple"
xlink:href="&at;Air-Conditioning"
xlink:arcrole="&av;standsFor"
xlink:role="&av;term"
xlink:title="AC - Air Conditioning"
xlink:show="new"
xlink:actuate="onRequest"
>AC</abbr></dfn>
</a>

XLink extended link

First, declare the vocabulary as shown above. Then, add acronyms as follows:

<a xlink:type="extended" href="http://www.Acronyms.net/terms/a/Air-Conditioning/" title="Air Conditioning">
<abbr xlink:type="resource" xlink:label="acronym">AC</abbr>
<span class="hide" xlink:type="resource" xlink:label="verbal" xlink:title="pronunciation">a c</span>
<span class="hide" xlink:type="resource" xlink:label="expand" xlink:title="expansion">Air Conditioning</span>
<span class="hide" xlink:type="locator" xlink:label="term" xlink:role="&av;term" xlink:href="&at;Air-Conditioning" xlink:title="Air Conditioning"/>
<span class="hide" xlink:type="locator" xlink:label="definition" xlink:role="&av;definition" xlink:href="http://www.Acronyms.net/terms/a/Air-Conditioning/" xlink:title="Air Conditioning"/>
<span class="hide" xlink:type="locator" xlink:label="finder" xlink:role="&av;reference" xlink:href="http://www.Acronyms.net/reference/a/AC#Air-Conditioning" xlink:title="AC - Air Conditioning"/>
<span class="hide" xlink:type="arc" xlink:from="acronym" xlink:arcrole="&av;pronounceAs" xlink:to="verbal" xlink:actuate="onLoad"/>
<span class="hide" xlink:type="arc" xlink:from="acronym" xlink:arcrole="&av;expandsTo" xlink:to="expand"/>
<span class="hide" xlink:type="arc" xlink:from="acronym" xlink:arcrole="&av;standsFor" xlink:to="term"/>
<span class="hide" xlink:type="arc" xlink:from="term" xlink:arcrole="&av;definedAt" xlink:to="definition" xlink:show="new" xlink:actuate="onRequest"/>
<span class="hide" xlink:type="arc" xlink:from="acronym" xlink:arcrole="&av;foundAt" xlink:to="finder" xlink:show="new" xlink:actuate="onRequest"/>
</a>

embedded RDF metadata

First, declare the vocabulary as shown above. Then, add acronyms as follows:

<a href="http://www.Acronyms.net/terms/a/Air-Conditioning/" title="Air Conditioning">
<abbr>AC</abbr>
</a>

Printer-friendly PDF* format:

Air Conditioning

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