Share Email Facebook Twitter LinkedIn ERHIGHLIGHT (System Variable) 2013-04-10 Product Documentation Intermediate View Original Controls whether reference names or reference objects are highlighted when their counterparts are selected in the External References palette or in the drawing window. 0 Referenced objects are not highlighted. 1 Referenced objects are highlighted. Related References Commands for Attaching, Detaching, Updating, and Clipping External References Related Concepts About Attaching and Detaching Referenced Drawings (Xrefs)