7f5ad477_ebug_Preferences___FirebugWiki__UI_Equivalents
[Option] showTextNodesWithEntities [Description] Specifies whether to display basic entities in text nodes as they are or their visual representation inside the HTML Panel [Valid Values] true, false [Default] true [UI Equivalents] 
HTML Panel Options Mini Menu->Show Basic Entities
Firebug Preferences - FirebugWiki