--- loncom/xml/lontexconvert.pm	2016/08/05 21:04:25	1.112.2.5
+++ loncom/xml/lontexconvert.pm	2016/08/05 21:24:01	1.112.2.6
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # TeX Conversion Module
 #
-# $Id: lontexconvert.pm,v 1.112.2.5 2016/08/05 21:04:25 raeburn Exp $
+# $Id: lontexconvert.pm,v 1.112.2.6 2016/08/05 21:24:01 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -388,7 +388,7 @@ sub converted {
     if ($mode =~ /tth/i) {
 	return &tth_converted($string);
     } elsif ($mode =~ /jsmath/i) {
-	return &jMathJax_converted($string);
+	return &MathJax_converted($string);
     } elsif ($mode =~ /mathjax/i) {
         return &MathJax_converted($string);
     } elsif ($mode =~ /mimetex/i) {
@@ -537,7 +537,7 @@ sub postprocess_algebra {
     # $string =~s/\\fun/ /g;
 
     # sqrt(3,4) means the 4 root of 3
-    $string =~s/\\sqrt{([^,]+),([^\}]+)}/\\sqrt[$2]{$1}/gs;
+    $string =~s/\\sqrt\{([^,]+),([^\}]+)}/\\sqrt[$2]{$1}/gs;
 
     # log(3,4) means the log base 4 of 3
     $string =~s/\\log\\left\((.+?),(.+?)\\right\)/\\log_{$2}\\left($1\\right)/gs;
@@ -603,7 +603,6 @@ Header
 
 =item tex_engine()
 
-
 =item init_math_support()
 
 =item mimetex_valign()