[LON-CAPA-cvs] cvs: loncom /xml lontexconvert.pm

[raeburn]

raeburn		Fri Jul 18 09:09:33 2008 EDT

  Modified files:              
    /loncom/xml	lontexconvert.pm 
  Log:
  - Problem testing in CSTR - if blank was selected for "math rendering" option, don't return, otherwise tex engine set in user preference will be ignored.   
  
  
Index: loncom/xml/lontexconvert.pm
diff -u loncom/xml/lontexconvert.pm:1.87 loncom/xml/lontexconvert.pm:1.88
--- loncom/xml/lontexconvert.pm:1.87	Wed Feb  6 05:16:00 2008
+++ loncom/xml/lontexconvert.pm	Fri Jul 18 09:09:33 2008
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.87 2008/02/06 10:16:00 foxr Exp $
+# $Id: lontexconvert.pm,v 1.88 2008/07/18 13:09:33 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -219,7 +219,9 @@
 
 sub tex_engine {
     if (exists($env{'form.texengine'})) {
-	return $env{'form.texengine'};
+	if ($env{'form.texengine'} ne '') {
+            return $env{'form.texengine'};
+        }
     }    
     if ($env{'request.course.id'}
 	&& exists($env{'course.'.$env{'request.course.id'}.'.texengine'})) {