--- ray/src/common/calexpr.c	1991/08/08 12:11:19	1.13
+++ ray/src/common/calexpr.c	1991/08/14 08:18:14	1.15
@@ -1,4 +1,4 @@
-/* Copyright (c) 1986 Regents of the University of California */
+/* Copyright (c) 1991 Regents of the University of California */
 
 #ifndef lint
 static char SCCSid[] = "$SunId$ LBL";
@@ -444,6 +444,8 @@ getname()			/* scan an identifier */
     for (i = 0; i < MAXWORD && isid(lnext); i++, lnext = scan())
 	str[i] = lnext;
     str[i] = '\0';
+    while (isid(lnext))		/* skip rest of name */
+	lnext = scan();
 
     return(str);
 }
@@ -604,6 +606,7 @@ getE5()				/* E5 -> (E1) */
 				/*       ARG */
 {
     int  i;
+    char  *nam;
     register EPNODE  *ep1, *ep2;
 
     if (nextc == '(') {
@@ -626,23 +629,26 @@ getE5()				/* E5 -> (E1) */
 #endif
 
 #if  defined(VARIABLE) || defined(FUNCTION)
-    if (isalpha(nextc)) {
-	ep1 = newnode();
-	ep1->type = VAR;
-	ep1->v.ln = varinsert(getname());
-
+    if (isalpha(nextc) || nextc == CNTXMARK) {
+	nam = getname();
 #if  defined(VARIABLE) && defined(FUNCTION)
+	ep1 = NULL;
 	if (curfunc != NULL)
 	    for (i = 1, ep2 = curfunc->v.kid->sibling;
 	    			ep2 != NULL; i++, ep2 = ep2->sibling)
-		if (!strcmp(ep2->v.name, ep1->v.ln->name)) {
-		    epfree(ep1);
+		if (!strcmp(ep2->v.name, nam)) {
 		    ep1 = newnode();
 		    ep1->type = ARG;
 		    ep1->v.chan = i;
 		    break;
 		}
+	if (ep1 == NULL)
 #endif
+	{
+	    ep1 = newnode();
+	    ep1->type = VAR;
+	    ep1->v.ln = varinsert(nam);
+	}
 #ifdef  FUNCTION
 	if (nextc == '(') {
 	    ep2 = newnode();