chromium/content/test/data/accessibility/html/textarea.html

<!DOCTYPE html>
<!--
@MAC-ALLOW:AXEditableAncestor
@MAC-ALLOW:AXHighestEditableAncestor
@MAC-ALLOW:AXRoleDescription
@WIN-ALLOW:caret_offset*
@WIN-ALLOW:ia2_hypertext=*
@WIN-ALLOW:IA2_STATE*
@WIN-ALLOW:n_selections*
@WIN-ALLOW:selection_start*
@WIN-ALLOW:selection_end*
@BLINK-ALLOW:textSel*
@AURALINUX-ALLOW:text-input-type*
@AURALINUX-ALLOW:editable
@AURALINUX-ALLOW:focus*
@AURALINUX-ALLOW:*-line
@AURALINUX-ALLOW:caret_offset*
@AURALINUX-ALLOW:selection_start*
@AURALINUX-ALLOW:selection_end*
-->
<html>
<body>
<!-- Note: setting style="width:50ch" consistent sets 50 characters across,
     where @cols="50" gets more chars across on some platforms --> 
<textarea rows="4" style="font-family: monospace; width: 50ch">
The 
textarea tag  defines a multi-line text input control.
</textarea>

</body>
</html>