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Navigational icons are accompanied by an explicit text equivalent.
Saves new users from searching for the meaning of an icon. Improves accessibility.
The nature of the target of each link-icon is given in the alt attribute of the image and by the title of the link in the form:
<a href="/" title="Accueil"> <img src="home.png" alt="Accueil"> </a> <a href="/carte/" title="Carte"> <img src="map.png" alt="Carte"> </a> <a href="mailto:John.Doe@example.com" title="John.Doe@example.com"> <img src="letter.png" alt="John.Doe@example.com"> </a>
Test for the presence of the title attribute when the mouse passes over the link in a graphical browser.