--- loncom/xml/lontexconvert.pm	2014/06/18 06:48:47	1.112.2.4
+++ loncom/xml/lontexconvert.pm	2014/06/18 06:06:47	1.114
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.112.2.4 2014/06/18 06:48:47 raeburn Exp $
+# $Id: lontexconvert.pm,v 1.114 2014/06/18 06:06:47 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -65,10 +65,10 @@ my %unicode_translations = (
 
     ''             => 0x23a1,
     ''             => 0x23a2,
-    ''             => 0x23a3,
-    ''             => 0x23a4,
+    ''             => 0x23a3,   # when unicode catches up with browsers
+    ''             => 0x23a4,   # use these instead of the cheesey brackets below
     ''             => 0x23a5,
-    ''             => 0x23a6,
+    ''             => 0x23a6, 
 
 #  Parens - unicode for browsers/OS which support it
 
@@ -181,10 +181,10 @@ sub convert_real {
     &Apache::lonxml::end_alarm();
 
     #
-    # Several strings produced by tth require
+    #  Several strings produced by tth require
     # transliteration -> unicode equivalents to render reliably
     # in browsers. %unicode_translations and %unicode_harpoons are tables of
-    # string->substitution which we now apply. (%ascii_8bit_translations used
+    # string->substitution which we now apply. (%ascii_8bit_translations used 
     # instead for Windows XP and mobile devices.
 
     my $use_ascii;
@@ -296,6 +296,16 @@ sub MathJax_converted {
         return
           '<script type="text/javascript" src="/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>'."\n";
     }
+    #sub MathJax_process {
+    #    my $state = pop(@MathJax_sent_header);
+    #    return '' if !$state;
+    #    return "\n".
+    #        '<script type="text/javascript">MathJax.Process()</script>'."\n";
+    #}
+    #sub MathJax_state {
+    #    my ($level) = @_;
+    #    return $MathJax_sent_header[$level];
+    #}
 }
 
 
@@ -432,7 +442,7 @@ sub converted {
     } elsif ($mode =~ /jsmath/i) {
 	return &jsMath_converted($string);
     } elsif ($mode =~ /mathjax/i) {
-        return &MathJax_converted($string);
+	return &MathJax_converted($string);
     } elsif ($mode =~ /mimetex/i) {
 	return &mimetex_converted($string);
     } elsif ($mode =~ /raw/i) {
@@ -644,7 +654,7 @@ Header
 =item jsMath_converted()
 
 =item MathJax_converted()
-        - Mimics the jsMath functionality
+	- Mimics the jsMath functionality
 
 =item tex_engine()