diff --git a/src/cmd/ksh93/bltins/misc.c b/src/cmd/ksh93/bltins/misc.c
index 9d299d9a3..102d725d4 100644
--- a/src/cmd/ksh93/bltins/misc.c
+++ b/src/cmd/ksh93/bltins/misc.c
@@ -110,7 +110,7 @@ int    b_exec(int argc,char *argv[], Shbltin_t *context)
 	if(error_info.errors)
 		errormsg(SH_DICT,ERROR_usage(2),"%s",optusage((char*)0));
 	if(*argv[0]=='r' && argv[opt_info.index])  /* 'redirect' supports no args */
-		errormsg(SH_DICT,ERROR_exit(2),e_badsyntax);
+		errormsg(SH_DICT,ERROR_exit(2),"%s: %s",e_badsyntax,argv[opt_info.index]);
 	argv += opt_info.index;
 	if(!*argv)
 		return(0);
diff --git a/src/cmd/ksh93/data/builtins.c b/src/cmd/ksh93/data/builtins.c
index 9080b5a43..676c1286b 100644
--- a/src/cmd/ksh93/data/builtins.c
+++ b/src/cmd/ksh93/data/builtins.c
@@ -598,7 +598,7 @@ const char sh_optexec[] =
 "[+?Because \bexec\b is a special built-in command, any failure will cause the "
 	"script or command line that invokes it to be aborted. This can be "
 	"prevented by invoking \bexec\b from the \bcommand\b utility.]"
-"[+SEE ALSO?\bcommand\b(1), \beval\b(1), \bredirect(1)\b]"
+"[+SEE ALSO?\bcommand\b(1), \beval\b(1), \bredirect\b(1)]"
 ;
 
 const char sh_optexit[] =
@@ -1447,7 +1447,7 @@ const char sh_optreadonly[] =
 ;
 
 const char sh_optredirect[] =
-"[-1c?\n@(#)$Id: redirect (ksh 93u+m) 2020-08-08 $\n]"
+"[-1c?\n@(#)$Id: redirect (ksh 93u+m) 2021-02-06 $\n]"
 "[--catalog?" SH_DICT "]"
 "[+NAME?redirect - open/close and duplicate file descriptors]"
 "[+DESCRIPTION?This command only accepts input/output redirections. "
@@ -1455,9 +1455,10 @@ const char sh_optredirect[] =
 	"to \b9\b using the standard redirection mechanism available to all "
 	"commands, with the difference that the effect persists past the "
 	"execution of the \bredirect\b command.]"
-"[+?Any file descriptor numbers greater than \b2\b that are opened with this "
-	"mechanism are closed when invoking another program, unless "
-	"explicitly redirected to themselves as part of that invocation.]"
+"[+?When invoking another program, file descriptors greater than \b2\b that "
+	"were opened with this mechanism are only passed on if they are "
+	"explicitly redirected to themselves as part of the invocation "
+	"(e.g. \b4>&4\b) or if the \bposix\b option is set.]"
 "[+?\bredirect\b cannot be invoked from a restricted shell to create "
 	"files or to open a file for writing or appending.]"
 "\n"
diff --git a/src/cmd/ksh93/sh.1 b/src/cmd/ksh93/sh.1
index c0d6df5a4..659979b4a 100644
--- a/src/cmd/ksh93/sh.1
+++ b/src/cmd/ksh93/sh.1
@@ -3403,7 +3403,9 @@ otherwise, delete the temporary file.
 .BI >; word
 cannot be used with the
 .IR exec
-built-in.
+and
+.IR redirect
+built-ins.
 .TP
 .BI >> word
 Use file
@@ -3428,7 +3430,9 @@ is truncated to the offset at command completion.
 .BI <>; word
 cannot be used with the
 .IR exec
-built-in.
+and
+.IR redirect
+built-ins.
 .TP
 \f3<<\fP\*(OK\f3\-\fP\*(CK\f2word\fP
 The shell input is read up to a line that is the same as
@@ -6854,11 +6858,11 @@ section above),
 with the difference that the effect persists past the execution of the
 .B redirect
 command.
-Any file descriptor numbers greater than
+When invoking another program, file descriptors greater than
 .B 2
-that are opened with this mechanism are closed when invoking another program,
-unless they are explicitly redirected to themselves as part of that invocation
-(e.g. \fB4>&4\fR) or the \fBposix\fR shell option is active.
+that were opened with this mechanism are only passed on if they are explicitly
+redirected to themselves as part of the invocation (e.g. \fB4>&4\fR)
+or if the \fBposix\fR option is set.
 .TP
 \(dg \f3return\fP \*(OK \f2n\^\fP \*(CK
 Causes a shell
diff --git a/src/cmd/ksh93/sh/parse.c b/src/cmd/ksh93/sh/parse.c
index 734d2b1d2..85546e5ed 100644
--- a/src/cmd/ksh93/sh/parse.c
+++ b/src/cmd/ksh93/sh/parse.c
@@ -1459,7 +1459,7 @@ static Shnode_t *simple(Lex_t *lexp,int flag, struct ionod *io)
 					}
 					else if(np==SYSCOMMAND && !sh_isoption(SH_POSIX))
 						cmdarg++;
-					else if(np==SYSEXEC)
+					else if(np==SYSEXEC || np==SYSREDIR)
 						lexp->inexec = 1;
 					else if(np->nvalue.bfp==(Nambfp_f)b_getopts)
 						opt_get |= FOPTGET;
diff --git a/src/cmd/ksh93/sh/xec.c b/src/cmd/ksh93/sh/xec.c
index 179d71d30..a3fba2907 100644
--- a/src/cmd/ksh93/sh/xec.c
+++ b/src/cmd/ksh93/sh/xec.c
@@ -1277,7 +1277,8 @@ int sh_exec(register const Shnode_t *t, int flags)
 								if(!com[1])
 									type = 2;
 								else
-									errormsg(SH_DICT,ERROR_exit(2),"redirect: %s",e_badsyntax);
+									errormsg(SH_DICT, ERROR_exit(2), "%s: %s: %s",
+										 SYSREDIR->nvname, e_badsyntax, com[1]);
 							else
 								type = (execflg && !shp->subshell && !shp->st.trapcom[0]);
 							shp->redir0 = 1;
diff --git a/src/cmd/ksh93/tests/io.sh b/src/cmd/ksh93/tests/io.sh
index 0b0052653..468817bdc 100755
--- a/src/cmd/ksh93/tests/io.sh
+++ b/src/cmd/ksh93/tests/io.sh
@@ -528,7 +528,7 @@ actual=$(redirect 2>&- 3>&2; echo ok)
 [[ $actual == ok ]] || err_exit "redirection error in 'redirect' causes exit"
 
 # Test that 'redirect' does not accept non-redir args
-expect=$'*: redirect: incorrect syntax\n status = 2'
+expect=$'*: redirect: incorrect syntax: /dev/null/foo\n status = 2'
 actual=$( (redirect /dev/null/foo) 2>&1; echo " status = $?" );
 [[ $actual == $expect ]] || err_exit 'redirect command accepts non-redirection argument' \
 	"(expected $(printf %q "$expect"), got $(printf %q "$actual"))"