18.2.3 Using markers to assign link attributes
You can use custom FrameMaker markers to specify link attributes. If you give a custom marker type a name that starts with Link, Mif2Go uses the content of the marker as the value of whatever HTML attribute is named by the rest of the marker-type name, and puts the attribute and its value in the generated <a> tag.
§18.2.2.1 Assigning a link class with a marker
§28.2.4 Using attribute markers for HTML or XML
§24.3.3 Using a custom marker to assign WAI link attributes
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