%lang-focus-atts; Multi-lingual Language Focus Attributes

Parameter entity collecting the two attributes @lang-focus and @lang-focus-custom, for easy access and removal together.
Declaration
<!ENTITY % lang-focus-atts
            "lang-focus (%lang-focus-types;)              #IMPLIED
             lang-focus-custom 
                        CDATA                             #IMPLIED"  >
Expanded Declaration

lang-focus (primary | secondary | undefined | custom) #IMPLIED lang-focus-custom CDATA #IMPLIED