--- loncom/lonnet/perl/lonnet.pm	2003/09/15 18:43:54	1.412
+++ loncom/lonnet/perl/lonnet.pm	2003/09/16 17:54:50	1.413
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.412 2003/09/15 18:43:54 www Exp $
+# $Id: lonnet.pm,v 1.413 2003/09/16 17:54:50 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2606,7 +2606,10 @@ sub is_on_map {
     if ($match) {
 	return (1,$1);
     } else {
-	return (0,0);
+	my ($name,$ext)=($filename=~/^(.+)\.(\w+)$/);
+        $ENV{'acc.res.'.$ENV{'request.course.id'}.'.'.$pathname}=~
+	       /\&(\Q$name\E\.\d+\.$ext)\:([\d\|]+)\&/;
+	return (0,$2,$pathname.'/'.$1);
     }
 }
 
@@ -3879,7 +3882,18 @@ sub symbclean {
 # ---------------------------------------------- Split symb to find map and url
 
 sub decode_symb {
-    return split(/\_\_\_/,shift);
+    my ($map,$resid,$url)=split(/\_\_\_/,shift);
+    return (&fixversion($map),$resid,&fixversion($url));
+}
+
+sub fixversion {
+    my $fn=shift;
+    if ($fn=~/^(adm|uploaded|public)/) { return $fn; }
+    my ($match,$cond,$versioned)=&is_on_map($fn);
+    unless ($match) {
+	$fn=$versioned;
+    }
+    return $fn;
 }
 
 # ------------------------------------------------------ Return symb list entry