--- scheme-data.texi.~1.29.~	2003-05-10 11:08:15.000000000 +1000
+++ scheme-data.texi	2003-05-11 18:07:33.000000000 +1000
@@ -694,23 +694,23 @@
 @end deffn
 
 @c begin (texi-doc-string "guile" "real-part")
-@deffn {Scheme Procedure} real-part
+@deffn {Scheme Procedure} real-part z
 Return the real part of the number @var{z}.
 @end deffn
 
 @c begin (texi-doc-string "guile" "imag-part")
-@deffn {Scheme Procedure} imag-part
+@deffn {Scheme Procedure} imag-part z
 Return the imaginary part of the number @var{z}.
 @end deffn
 
 @c begin (texi-doc-string "guile" "magnitude")
-@deffn {Scheme Procedure} magnitude
+@deffn {Scheme Procedure} magnitude z
 Return the magnitude of the number @var{z}. This is the same as
 @code{abs} for real arguments, but also allows complex numbers.
 @end deffn
 
 @c begin (texi-doc-string "guile" "angle")
-@deffn {Scheme Procedure} angle
+@deffn {Scheme Procedure} angle z
 Return the angle of the complex number @var{z}.
 @end deffn