--- loncom/xml/lontexconvert.pm	2012/02/28 10:38:14	1.110
+++ loncom/xml/lontexconvert.pm	2012/03/11 14:46:46	1.112
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.110 2012/02/28 10:38:14 foxr Exp $
+# $Id: lontexconvert.pm,v 1.112 2012/03/11 14:46:46 foxr Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -56,12 +56,41 @@ use IO::Socket::INET;
 #
 my %unicode_translations = (
     '\rightleftharpoons'  => 0x21cc,
-    ''             => 0x23a1,
-    ''             => 0x23a2,
-    ''             => 0x23a3,
-    ''             => 0x23a4,
-    ''             => 0x23a5,
-    ''             => 0x23a6   
+
+# Brackets - unicode is commented out with pure 8-bit ascii ugliness while we need it.
+
+#    ''             => 0x23a1,
+#    ''             => 0x23a2,
+#    ''             => 0x23a3,   # when unicode catches up with browsers
+#    ''             => 0x23a4,   # use these instead of the cheesey brackets below
+#    ''             => 0x23a5,
+#    ''             => 0x23a6   
+    ''              => 0x5b,
+    ''              => 0x5b,    # '['
+    ''              => 0x5b,
+    ''              => 0x5d,    # ']'
+    ''              => 0x5d,
+    ''              => 0x5d,
+
+#  Parens..again the unicode is commented out with the 8-bit ascii ugliness
+#  turned on until browsers catch up with the unicode world.
+
+#    ''              => 0x239b,
+#    ''              => 0x239c,
+#    ''              => 0x239d,
+#    ''              => 0x239e,
+#    ''              => 0x239f,
+#    ''              => 0x23a0
+
+    ''              => 0x28,
+    ''              => 0x28,      # '('
+    ''              => 0x28,
+
+    ''              => 0x29,
+    ''              => 0x29,      # '('
+    ''              => 0x29
+
+
 );
 
 ##
@@ -126,14 +155,12 @@ sub convert_real {
     };
     &Apache::lonxml::start_alarm();
     if ($env{'browser.mathml'}) {
-	&Apache::lonnet::logthis("mathml");
 	$xmlstring=&tth::ttm($$texstring);
 	$xmlstring=~s/\<math\>/\<math xmlns=\"\&mathns\;\"\>/g;
 	$xmlstring=~s/\<br\>/\<br\/\>/g;
 	$xmlstring=~s/\<p\>/\<p\>\<\/p\>/g;
 	$errorstring.=&tth::ttmerror();
     } else {
-	&Apache::lonnet::logthis("tth");
 	$xmlstring=&tth::tth($$texstring);
 	$errorstring.=&tth::ttherror();
 	$xmlstring=~s-</font(\s*)>-</font>-g;