Index: pmacros.texi
===================================================================
RCS file: /cvs/src/src/cgen/doc/pmacros.texi,v
retrieving revision 1.2
diff -u -u -r1.2 pmacros.texi
--- pmacros.texi	2001/03/19 03:36:24	1.2
+++ pmacros.texi	2001/11/16 02:58:22
@@ -37,7 +37,7 @@
 Preprocessor macros are defined with:
 
 @smallexample
-(define-pmacro (name parm1 parm2 ... parmN)
+(define-pmacro (name parm1 parm2 ... parmN) [comment]
   expansion
 )
 @end smallexample
@@ -45,7 +45,7 @@
 The result is @samp{expansion} with parameters replaced with the actual
 arguments of the macro invocation.  Free variables are left unchanged.
 [A "free variable", as defined here, is one that doesn't appear in the
-parameter list.]
+parameter list.]  @samp{comment} is an optional string.
 
 @c ??? This used to be true, but currently isn't.
 @c If the result is another macro invocation, it is expanded in turn.