--- freem/doc/freem.texi	2025/05/19 02:03:31	1.60
+++ freem/doc/freem.texi	2025/05/19 12:45:01	1.61
@@ -3537,6 +3537,16 @@ ZHALT
 @cindex commands, non-standard
 @emph{FreeM Extension}
 
+Inserts a line of M code into the currently-active routine buffer, provided the optional @emph{postcondition} is @emph{true} or omitted.
+
+@emph{Syntax}
+
+@example
+ZINSERT@emph{:postcondition} @emph{expr V mcode}[:@emph{label}]
+@end example
+
+Above, @emph{expr V mcode} is an expression returning a string giving M code. If @emph{label} is omitted, the code will be inserted at the insertion point, which is typically the end of the routine. Otherwise, the code will be inserted at the line immediately following @emph{label}.
+
 @node ZJOB
 @section ZJOB
 @cindex ZJOB
@@ -3641,6 +3651,24 @@ In its argumentless form, quits from @co
 @cindex commands, non-standard
 @emph{FreeM Extension}
 
+In argumentless form, removes all M code from the current routine buffer, provided the optional @emph{postcondition} is @emph{true} or omitted.
+
+@emph{Syntax}
+
+@example
+ZREMOVE@emph{:postcondition}
+@end example
+
+In argumented form, removes a subset of the current routine buffer, provided the optional @emph{postcondition} is @emph{true} or omitted.
+
+@emph{Syntax}
+
+@example
+ZREMOVE@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 ZSAVE
 @section ZSAVE
 @cindex ZSAVE