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<alt> Alt (For Accessibility Use)

A short, plain text summary of a graphical element presented in a <mediaobject> or <inlinemediaobject>.

Usage/Remarks

Some screen readers will truncate any <alt> content longer than 120 characters. Longer descriptions should use the <textobject> element.
Related Elements
In HTML presentation, the <alt> element typically becomes the @alt text attribute; the <textobject> is used for a detailed description.
Models and Context
May be contained in
<inlinemediaobject>, <mediaobject>
Description
Any combination of:
Expanded Content Model

(#PCDATA | inlinemediaobject)*

Tagged Sample

Summary of figure

...
<figure>
  <title>This is the title.</title>
  <mediaobject>
    <alt>Alt text</alt>
    <imageobject>
      <imagedata fileref="my.jpg"/>
    </imageobject>
    <textobject>
      <para>This is the long description.</para>
    </textobject>
  </mediaobject>
  <caption>
    <para>This is the caption.</para>
  </caption>
</figure>
...
Related Resources