diff -up ksh-20120801/src/cmd/ksh93/sh/macro.c.orig ksh-20120801/src/cmd/ksh93/sh/macro.c

--- ksh-20120801/src/cmd/ksh93/sh/macro.c.orig	2015-08-24 14:29:58.602967855 -0300

+++ ksh-20120801/src/cmd/ksh93/sh/macro.c	2015-08-24 14:31:13.682850008 -0300

@@ -1479,7 +1479,10 @@ retry1:

 	    default:

 		goto nosub;

 	}

-	c = fcmbget(&LEN);

+	if(type)

+		c = fcmbget(&LEN);

+	else

+		c = fcget();

 	if(type>M_TREE)

 	{

 		if(c!=RBRACE)