HTML <ruby> Tag
A ruby annotation:
漢 <rt> ㄏㄢˋ </rt>
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The <ruby> tag is supported in Internet Explorer 9+, Firefox, Opera, Chrome, and Safari.
Note: Internet Explorer 8 and earlier versions, do not support the <ruby> tag.
Definition and Usage
The <ruby> tag specifies a ruby annotation.
Ruby annotations are used for East Asian typography, to show the pronunciation of East Asian characters.
Use the <ruby> tag together with the <rt> and/or the <rp> tags: The <ruby> element consists of one or more characters that needs an explanation/pronunciation, and an <rt> element that gives that information, and an optional <rp> element that defines what to show for browsers that not support ruby annotations.
Differences Between HTML 4.01 and HTML5
The <ruby> tag is new in HTML5.
The <ruby> tag also supports the Global Attributes in HTML.
The <ruby> tag also supports the Event Attributes in HTML.
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