--- freem/doc/freem.texi	2025/05/18 20:40:35	1.59
+++ freem/doc/freem.texi	2025/05/19 02:03:31	1.60
@@ -3597,7 +3597,7 @@ ZMAP[@emph{:postcondition}] GLOBAL @emph
 @cindex commands, non-standard
 @emph{FreeM Extension}
 
-Prints the contents of the current routine buffer, provided the optional @emph{postcondition} is @emph{true} or omitted.
+In argumentless form, prints the contents of the current routine buffer, provided the optional @emph{postcondition} is @emph{true} or omitted.
 
 @emph{Syntax}
 
@@ -3605,6 +3605,16 @@ Prints the contents of the current routi
 ZPRINT@emph{:postcondition}
 @end example
 
+In argumented form, prints a subset of the current routine buffer, provided the optional @emph{postcondition} is @emph{true} or omitted.
+
+@emph{Syntax}
+
+@example
+ZPRINT@emph{:postcondition} @emph{start}[:@emph{end}]
+@end example
+
+In the above syntax, @emph{start} and @emph{end} can be a tag in the current routine, or @code{*} to indicate the routine buffer insertion point (typically the end of the routine).
+
 @node ZQUIT
 @section ZQUIT
 @cindex ZQUIT