Alternate Title Text For a Figure, Etc.

Short phrase used for pronunciation or as an alternative display for a structure or graphical object, typically for reasons of accessibility or graphic-limited devices. For example, <alt-text> may be used to display “behind” a figure, table, graphic, or other structure.

Related Elements

The similarly non-visual element <long-desc> is meant for an extended description of the figure, table, graphic, inline-graphic, etc.


Model Description

Text, numbers, or special characters

This element may be contained in:

Example 1

To provide simple text that can be pronounced by eReaders in addition to or instead of the visual graphic:
<fig id="f00001">
 <label>FIG. 1</label>
  <p>Single-Hub and Double-Hub Cast Iron Soil Pipe Laying Lengths</p>
 <graphic xlink:href="http://www.astm.org/HTTP/IMAGES/A0074_60200.png">
  <alt-text>Single-Hub and Double-Hub Cast Iron Soil Pipe Laying Lengths</alt-text>

Example 2

To provide additional information concerning the figure for the graphic-impaired:
 <caption><title>Truth Table</title></caption>
 <alt-text>Truth Table: NOR Gate</alt-text>
 <long-desc>Truth table showing that the output of a NOR gate is zero 
  if any of the input is 1 and the output is 1 only if both the inputs 
  of the gate is 0.</long-desc>
 <graphic xlink:href="flip-flop-NOR-gate.jpg"></graphic>

Example 3

To provide a readable/pronounceable alternative to an inline graphic:
 <p>Elongate ... in the form of a 
  <private-char description="dogleg">
    <alt-text content-type="special character">dogleg character</alt-text>
  </private-char>. During the ...</p>