--- loncom/interface/lonprintout.pm	2005/12/06 16:23:26	1.403
+++ loncom/interface/lonprintout.pm	2005/12/15 18:33:37	1.405
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Printout
 #
-# $Id: lonprintout.pm,v 1.403 2005/12/06 16:23:26 albertel Exp $
+# $Id: lonprintout.pm,v 1.405 2005/12/15 18:33:37 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -844,16 +844,19 @@ sub print_latex_header {
 
 sub path_to_problem {
     my ($urlp,$colwidth)=@_;
+    $urlp=&Apache::lonnet::clutter($urlp);
+
     my $newurlp = '';
     $colwidth=~s/\s*mm\s*$//;
 #characters average about 2 mm in width
     if (length($urlp)*2 > $colwidth) {
-	my @elements = split '/',$urlp;
+	my @elements = split('/',$urlp);
 	my $curlength=0;
 	foreach my $element (@elements) {
+	    if ($element eq '') { next; }
 	    if ($curlength+(length($element)*2) > $colwidth) {
-		$newurlp .=  '|\vskip -1 mm \noindent \verb|';
-		$curlength=0;
+		$newurlp .=  '|\vskip -1 mm \verb|';
+		$curlength=length($element)*2;
 	    } else {
 		$curlength+=length($element)*2;
 	    }
@@ -1183,7 +1186,7 @@ ENDPART
 			} else {
 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
 			    $texversion.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'}).'}\vskip 0 mm ';
-			    $texversion.=&path_to_problem ($currentURL,$LaTeXwidth);
+			    $texversion.=&path_to_problem($urlp,$LaTeXwidth);
 			    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
 			}
 		    }
@@ -1750,7 +1753,7 @@ sub print_resources {
 			} else {
 			    $rendered=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
 			    $rendered.='\vskip 0 mm \noindent\textbf{'.&Apache::lonnet::gettitle($curresline).'}\vskip 0 mm ';
-			    $rendered.=&path_to_problem ($curresline,$LaTeXwidth);
+			    $rendered.=&path_to_problem($res_url,$LaTeXwidth);
 			    $rendered.='\vskip 1 mm '.$ansrendered;
 			}
 		    }
@@ -2169,16 +2172,16 @@ CHOOSE_STUDENTS
         my %all_codes = &Apache::lonnet::get('CODEs',
 					     \@names, $cdom,$cnum);
 	my %code_values;
-	my @all_code_array;
-	foreach my $key (keys %all_codes) {
+	my %codes_to_print;
+	foreach my $key (keys(%all_codes)) {
 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
-	    foreach my $key (keys %code_values) {
-		push (@all_code_array, "$key");
+	    foreach my $key (keys(%code_values)) {
+		$codes_to_print{$key} = 1;
 	    }
 	}
 
 	my $code_selection = "<choice></choice>\n";
-	foreach my $code (sort {uc($a) cmp uc($b)} @all_code_array) {
+	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
 	    my $choice  = $code;
 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
 		$choice = &letters_to_num($code);