# DP: Document handling of parameters of the test builtin.

--- a/builtins/test.def
+++ b/builtins/test.def
@@ -100,6 +100,9 @@ Arithmetic binary operators return true
 less-than, less-than-or-equal, greater-than, or greater-than-or-equal
 than ARG2.
 
+See the bash manual page bash(1) for the handling of parameters (i.e.
+missing parameters).
+
 Exit Status:
 Returns success if EXPR evaluates to true; fails if EXPR evaluates to
 false or an invalid argument is given.
--- a/doc/bash.1
+++ b/doc/bash.1
@@ -732,6 +732,10 @@ as primaries.
 .if n .sp 1
 When used with \fB[[\fP, the \fB<\fP and \fB>\fP operators sort
 lexicographically using the current locale.
+.PP
+See the description of the \fItest\fP builtin command (section SHELL
+BUILTIN COMMANDS below) for the handling of parameters (i.e.
+missing parameters).
 .if t .sp 0.5
 .if n .sp 1
 When the \fB==\fP and \fB!=\fP operators are used, the string to the
--- a/doc/bashref.texi
+++ b/doc/bashref.texi
@@ -7322,6 +7322,10 @@ The @code{test} command uses ASCII order
 Unless otherwise specified, primaries that operate on files follow symbolic
 links and operate on the target of the link, rather than the link itself.
 
+See the description of the @code{test} builtin command (section
+@pxref{Bash Builtins} below) for the handling of parameters
+(i.e. missing parameters).
+
 @table @code
 @item -a @var{file}
 True if @var{file} exists.