HTML for PM Acronym

when PM means Post Meridiem

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 PM stands for Post Meridiem 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/p/Post-Meridiem/" title="Post Meridiem"
onclick="if (confirm('PM stands for Post Meridiem')) return false;"
>
<abbr>PM</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 Post Meridiem, the meaning of the acronym PM, 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/p/Post-Meridiem/" title="Post Meridiem"
onclick="if (confirm('PM stands for Post Meridiem')) return false;"
>
<dfn><abbr title="Post Meridiem">PM</abbr>
</a> is ...(definition of Post Meridiem)....</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 PM acronym shows the expanded meaning of the acronym):

A PM is ...(definition of "Post Meridiem")....

If you are creating HTML code that simply expands the acronym then indicate that it is the PM 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/p/Post-Meridiem/" title="Post Meridiem"
onclick="if (confirm('PM stands for Post Meridiem')) return false;"
>
<dfn title="PM"><abbr title="Post Meridiem">PM</abbr></dfn>
</a> it is the abbreviation for Post Meridiem.</p>

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

When we use the acronym PM it is the abbreviation for Post Meridiem.

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/p/Post-Meridiem/" title="Post Meridiem"
xlink:type="simple"
xlink:href="http://www.Acronyms.net/terms/p/Post-Meridiem/"
xlink:arcrole="&av;definedAt"
xlink:role="&av;definition"
xlink:title="Post Meridiem"
xlink:show="new"
xlink:actuate="onRequest"
>
<abbr
xlink:type="simple"
xlink:href="&at;Post-Meridiem"
xlink:arcrole="&av;standsFor"
xlink:role="&av;term"
xlink:title="PM - Post Meridiem"
xlink:show="new"
xlink:actuate="onRequest"
>PM</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/p/Post-Meridiem/" title="Post Meridiem">
<abbr xlink:type="resource" xlink:label="acronym">PM</abbr>
<span class="hide" xlink:type="resource" xlink:label="verbal" xlink:title="pronunciation">p m</span>
<span class="hide" xlink:type="resource" xlink:label="expand" xlink:title="expansion">Post Meridiem</span>
<span class="hide" xlink:type="locator" xlink:label="term" xlink:role="&av;term" xlink:href="&at;Post-Meridiem" xlink:title="Post Meridiem"/>
<span class="hide" xlink:type="locator" xlink:label="definition" xlink:role="&av;definition" xlink:href="http://www.Acronyms.net/terms/p/Post-Meridiem/" xlink:title="Post Meridiem"/>
<span class="hide" xlink:type="locator" xlink:label="finder" xlink:role="&av;reference" xlink:href="http://www.Acronyms.net/reference/p/PM#Post-Meridiem" xlink:title="PM - Post Meridiem"/>
<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/p/Post-Meridiem/" title="Post Meridiem">
<abbr>PM</abbr>
</a>

Printer-friendly PDF* format:

Post Meridiem

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