--- loncom/xml/londefdef.pm	2002/07/12 16:37:38	1.73
+++ loncom/xml/londefdef.pm	2002/07/24 20:23:21	1.77
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.73 2002/07/12 16:37:38 albertel Exp $
+# $Id: londefdef.pm,v 1.77 2002/07/24 20:23:21 sakharuk Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -91,6 +91,7 @@ sub start_m {
     #&Apache::lonxml::debug("M is ends with:$currentstring:");
   } elsif ($target eq 'tex') {
     $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
+    if ($currentstring=~/\s*\\\\\s*/) {$currentstring = ' \vskip 0 mm ';}
   } else {
     my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
   }
@@ -122,7 +123,8 @@ sub end_m {
 	    } elsif ($target eq 'tex') {
 	      @Apache::londefdef::table = ();
 	      $currentstring .= '\documentclass[letterpaper]{article}
-                                 \newcommand{\keephidden}[1]{}           
+                                 \newcommand{\keephidden}[1]{}
+                                 \renewcommand{\deg}{$^{\circ}$}
                                  \usepackage[dvips]{graphicx}
                                  \usepackage{epsfig}\usepackage{calc}';
 	    }
@@ -837,12 +839,14 @@ EDITBUTTON
 	}
 #-- <br> tag
         sub start_br {
-	    my ($target,$token) = @_;
+	    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
             my $currentstring = '';
             if ($target eq 'web') {
 	       $currentstring .= $token->[4];
 	    } elsif ($target eq 'tex') {
-		$currentstring .= '\vskip 0 mm';
+		if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
+		    $currentstring .= '\vskip 0 mm';
+		}
 	    } elsif ($target eq 'latexsource') {
 		$currentstring .= '\\';
 	    } 
@@ -951,7 +955,7 @@ EDITBUTTON
             if ($target eq 'web') {
 	       $currentstring .= $token->[4];
 	    } elsif ($target eq 'tex') {
-		$currentstring .= "{\\underline ";
+		$currentstring .= '\underline{';
 	    } 
            return $currentstring;
 	}
@@ -961,7 +965,7 @@ EDITBUTTON
             if ($target eq 'web') {
 	       $currentstring .= $token->[2];
 	    } elsif ($target eq 'tex') {
-	        $currentstring .= " }";
+	        $currentstring .= '}';
             }
            return $currentstring;
 	}
@@ -972,7 +976,7 @@ EDITBUTTON
             if ($target eq 'web') {
 	       $currentstring .= $token->[4];
 	    } elsif ($target eq 'tex') {
-		$currentstring .= "{\\underline ";
+		$currentstring .= '\underline{';
 	    } 
            return $currentstring;
 	}
@@ -982,7 +986,7 @@ EDITBUTTON
             if ($target eq 'web') {
 	       $currentstring .= $token->[2];
 	    } elsif ($target eq 'tex') {
-	        $currentstring .= " }";
+	        $currentstring .= '}';
             }
            return $currentstring;
 	}
@@ -1035,7 +1039,7 @@ EDITBUTTON
             if ($target eq 'web') {
 	       $currentstring .= $token->[4];
 	    } elsif ($target eq 'tex') {
-		$currentstring .= "\\hline ";
+		$currentstring .= '\vskip 0 mm \noindent\makebox[\textwidth - 8 mm][b]{\hrulefill}';
 	    } 
            return $currentstring;
 	}
@@ -1112,7 +1116,7 @@ EDITBUTTON
             if ($target eq 'web') {
 	       $currentstring .= $token->[4];
 	    } elsif ($target eq 'tex') {
-		$currentstring .= "{\\underline ";
+		$currentstring .= '\underline{';
 	    } 
            return $currentstring;
 	}
@@ -1122,7 +1126,7 @@ EDITBUTTON
             if ($target eq 'web') {
 	       $currentstring .= $token->[2];
 	    } elsif ($target eq 'tex') {
-	        $currentstring .= " }";
+	        $currentstring .= '}';
             }
            return $currentstring;
 	}