+(define %indent-programlisting-lines%
+ ;; Indent lines in a 'ProgramListing'?
+ ;; "#f" or string to be used as the indent on 'programlisting'
+ " ")
+
+(define %indent-screen-lines%
+ ;; Indent lines in a 'Screen'?
+ ;; "#f" or string to be used as the indent on 'screen'
+ " ")
+