improve error messages

[pspp] / doc / expressions.texi

diff --git a/doc/expressions.texi b/doc/expressions.texi
index acffd925a9c5ca47d27efe7f74dd4cb553fdcf31..8e28ad5e24457e33c05161062f2ee546be707954 100644 (file)
--- a/doc/expressions.texi
+++ b/doc/expressions.texi
@@ -1,5 +1,5 @@
 @c PSPP - a program for statistical analysis.
-@c Copyright (C) 2017 Free Software Foundation, Inc.
+@c Copyright (C) 2017, 2020 Free Software Foundation, Inc.
 @c Permission is granted to copy, distribute and/or modify this document
 @c under the terms of the GNU Free Documentation License, Version 1.3
 @c or any later version published by the Free Software Foundation;
@@ -1246,7 +1246,7 @@ Constraints: @var{a} > 0, @var{b} > 0, @var{lambda} >= 0, 0 <= @var{x}
 @end deftypefn
 
 @deftypefn {Function} {} PDF.BVNOR (@var{x0}, @var{x1}, @var{rho})
-@deftypefnx {Function} {} CDF.VBNOR (@var{x0}, @var{x1}, @var{rho})
+@deftypefnx {Function} {} CDF.BVNOR (@var{x0}, @var{x1}, @var{rho})
 Bivariate normal distribution of two standard normal variables with
 correlation coefficient @var{rho}.  Two variates @var{x0} and @var{x1}
 must be provided.  Constraints: 0 <= @var{rho} <= 1, 0 <= @var{p} <= 1.
@@ -1554,7 +1554,7 @@ subtraction.
 
 @enumerate
 @item
-@code{(  )}
+@code{()}
 @item
 @code{**}
 @item
@@ -1564,7 +1564,11 @@ subtraction.
 @item
 @code{+  -}
 @item
-@code{EQ  GE  GT  LE  LT  NE}
+@code{=  >=  >  <=  <  <>}
 @item
-@code{AND  NOT  OR}
+@code{NOT}
+@item
+@code{AND}
+@item
+@code{OR}
 @end enumerate