--- loncom/interface/lonparmset.pm	2007/06/20 21:08:15	1.366.2.1
+++ loncom/interface/lonparmset.pm	2007/06/19 20:11:14	1.367
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set parameters for assessments
 #
-# $Id: lonparmset.pm,v 1.366.2.1 2007/06/20 21:08:15 albertel Exp $
+# $Id: lonparmset.pm,v 1.367 2007/06/19 20:11:14 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2047,24 +2047,17 @@ sub crsenv {
 	#
         # Deal with the emails
         if ($name =~ /\.email$/) {
-	    foreach my $specifier (split(',',$value)) {
-		my ($user,$sections_or_groups)=
-		    ($specifier=~/^([^\(]+)\(([^\)]+)\)/);
-		if (!$sections_or_groups) {
-		    $user = $specifier;
-		}
-		my ($name,$domain) = split(':',$user);
-		if (!defined($user) || !defined($domain)) {
-		    $setoutput.= '<br /> <span class="LC_error">'.
-			&mt("Invalid email address specified, address must be of the form username:domain what was specified was ([_1])",$user).
-			'</span>';
-		    undef($value);
-		} elsif (&Apache::lonnet::homeserver($user,$domain) eq 'no_host') {
-		    $setoutput.= '<br /> <span class="LC_error">'.
-			&mt("Invalid email address specified, user [_1] is unknown.",$name).
-			'</span>';
-		    undef($value);
-		}
+	    my ($user,$domain) = split(/:/,$value);
+	    if (!defined($user) || !defined($domain)) {
+		$setoutput.= '<br /> <span class="LC_error">'.
+		    &mt("Invalid email address specified, address must be of the form username:domain").
+		    '</span>';
+		undef($value);
+	    } elsif (&Apache::lonnet::homeserver($user,$domain) eq 'no_host') {
+		$setoutput.= '<br /> <span class="LC_error">'.
+		    &mt("Invalid email address specified, user [_1] is unknown.",$value).
+		    '</span>';
+		undef($value);
 	    }
         }
         # Get existing cloners
@@ -2256,7 +2249,10 @@ sub crsenv {
              'externalsyllabus'
                  => '<b>'.&mt('URL of Syllabus (not using internal handler)').'</b>',
 	     'tthoptions'
-	         => '<b>'.&mt('Default set of options to pass to tth/m when converting tex').'</b>'
+	         => '<b>'.&mt('Default set of options to pass to tth/m when converting tex').'</b>',
+
+	     'texengine'
+	         => '<b>'.&mt('Force all studnets in the course to use a specific math rendering engine.').'</b><br />'.&mt('(Valid options are [_1].)','"tth", "jsMath", "mimetex"').'</b>',
              ); 
         my @Display_Order = ('url','description','courseid','cloners','grading',
                              'externalsyllabus',
@@ -2283,6 +2279,7 @@ sub crsenv {
                              'default_enrollment_start_date',
                              'default_enrollment_end_date',
 			     'tthoptions',
+			     'texengine',
 			     'disablesigfigs',
 			     'disableexampointprint',
 			     'task_messages'