--- loncom/homework/default_homework.lcpm	2003/10/23 13:56:07	1.68
+++ loncom/homework/default_homework.lcpm	2004/02/18 22:49:32	1.69
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # used by lonxml::xmlparse() as input variable $safeinit to Apache::run::run()
 #
-# $Id: default_homework.lcpm,v 1.68 2003/10/23 13:56:07 ng Exp $
+# $Id: default_homework.lcpm,v 1.69 2004/02/18 22:49:32 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -498,9 +498,10 @@ sub format {
 }
 
 sub prettyprint {
-  my ($value,$fmt)=@_;
+  my ($value,$fmt,$target)=@_;
   my $result;
   my $dollarmode;
+  if (!$target) { $target = $external::target; }
   if ($fmt =~ /^\$(.*)/) { $fmt=$1; $dollarmode=1; } 
   if ($fmt) { $value=sprintf('%.'.$fmt,$value); }
   if ($value =~ /([0-9\.\-\+]+)E([0-9\-\+]+)/i ) {
@@ -512,9 +513,9 @@ sub prettyprint {
     $exponent=~s/^-0*/-/;
     if ($exponent eq '-') { undef($exponent); }
     if ($exponent) {
-      if ($external::target eq 'web') {
+      if ($target eq 'web') {
 	$result=$frac.'&#215;10<sup>'.$exponent.'</sup>';
-      } elsif ($external::target eq 'tex') {
+      } elsif ($target eq 'tex') {
 	$result='\ensuremath{'.$frac.'\times 10^{'.$exponent.'}}';
       } else {
 	$result=$value;
@@ -524,13 +525,14 @@ sub prettyprint {
     }
   } else {
     $result=$value;
-    if ($dollarmode) { $result=&dollarformat($result); }
+    if ($dollarmode) { $result=&dollarformat($result,$target); }
   }
   return $result;
 }
 
 sub dollarformat {
-  my ($number) = @_;
+  my ($number,$target) = @_;
+  if (!$target) { $target = $external::target; }
   if ($number =~ /\./) {
     while ($number =~ /([^\.,]+)([^\.,][^\.,][^\.,])([,0-9]*\.[0-9]*$)/) {
       $number = $1.','.$2.$3;
@@ -540,7 +542,7 @@ sub dollarformat {
       $number = $1.','.$2.$3;
     }
   }
-  if ($external::target eq 'tex') {
+  if ($target eq 'tex') {
     $number='\$'.$number; #' stupid emacs
   } else {
     $number='$'.$number; #' stupid emacs