commit bash-20080410 snapshot

builtins/exec.def

@@ -24,6 +24,8 @@ $PRODUCES exec.c
 $BUILTIN exec
 $FUNCTION exec_builtin
 $SHORT_DOC exec [-cl] [-a name] [command [arguments ...]] [redirection ...]
+Replace the shell with the given command.
+
 Execute COMMAND, replacing this shell with the specified program.
 ARGUMENTS become the arguments to COMMAND.  If COMMAND is not specified,
 any redirections take effect in the current shell.
@@ -35,6 +37,9 @@ Options:
 
 If the command cannot be executed, a non-interactive shell exits, unless
 the shell option `execfail' is set.
+
+Exit Status:
+Returns success unless COMMAND is not found or a redirection error occurs.
 $END
 
 #include <config.h>