Definition

Indicates that ruby annotations are attached to some but not all CJK ideographic characters in the content.

Examples

Example 1 — EPUB 3
<meta property="schema:accessibilityFeature">
   rubyAnnotations
</meta>
Example 2 — EPUB 2
<meta name="schema:accessibilityFeature"
      content="rubyAnnotations"/>
Example 3 — Audiobooks
"accessibilityFeature": ["rubyAnnotations"]

Explanation

The rubyAnnotations value is used to indicate that a publication includes ruby annotations.

Ruby annotations are most commonly used to provide pronunciation guides for Chinese, Japanese and Korean texts.

Ruby annotation in HTML.

<ruby>両钣<rt>りょうどな</rt></ruby>

Related Links