--- loncom/xml/londefdef.pm	2003/06/27 14:01:19	1.145
+++ loncom/xml/londefdef.pm	2003/07/15 20:47:24	1.154
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.145 2003/06/27 14:01:19 albertel Exp $
+# $Id: londefdef.pm,v 1.154 2003/07/15 20:47:24 www Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -157,10 +157,11 @@ sub start_html {
 	    &Apache::lonxml::fontsettings();     
     } elsif ($target eq 'tex') {
 	@Apache::londefdef::table = ();
-	$currentstring .= '\documentclass[letterpaper]{article}'.
-                           #'\batchmode'.
-                           '\newcommand{\keephidden}[1]{}
+	$currentstring .= '\documentclass[letterpaper]{article}';
+	if ($ENV{'form.latex_type'}=~'batchmode') {$currentstring .='\batchmode';} 
+	$currentstring .= '\newcommand{\keephidden}[1]{}
                            \renewcommand{\deg}{$^{\circ}$}
+                           \usepackage{longtable}
                            \usepackage{textcomp}
                            \usepackage[dvips]{graphicx}
                            \usepackage{epsfig}\usepackage{calc}
@@ -363,14 +364,32 @@ sub start_meta {
 	    $name=~s/\s/\_/gs;
 	    $name=~s/\W//gs;
 	    if ($name) {
-		$currentstring='<'.$name.'>'.
+		$currentstring='<'.$name;
+                 my $display=&Apache::lonxml::get_param
+		('display',$parstack,$safeeval,undef,1);
+                if ($display) {
+                    $display=~s/\"/\'/g;
+		    $currentstring.=' display="'.$display.'"';
+                }
+		$currentstring.='>'.
 		    &Apache::lonxml::get_param
 			('content',$parstack,$safeeval,undef,1).
 			'</'.$name.'>';
 	    }
+            my $display=&Apache::lonxml::get_param
+		('display',$parstack,$safeeval,undef,1);
+            if ($display) {
+		$display=&HTML::Entities::encode($display);
+		$currentstring.='<'.$name.'.display>'.$display.
+                               '</'.$name.'.display>';
+            }
 	}
     } elsif ($target eq 'tex') {
-	&Apache::lonxml::startredirection();
+	my $content=&Apache::lonxml::get_param('content',$parstack,$safeeval);
+	my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval);
+	if ((not defined $content) && (not defined $name)) {
+	    &Apache::lonxml::startredirection();
+	}
     }
     return $currentstring;
 }
@@ -1064,7 +1083,7 @@ sub start_br {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
-	    $currentstring .= '\vskip 0.2 mm';
+	    $currentstring .= '\vskip 0.2 mm ';
 	}
     }
     return $currentstring;
@@ -1292,14 +1311,14 @@ sub start_hr {
     if ($target eq 'web') {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
-	my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,0);
+	my $LaTeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
 	if (defined $LaTeXwidth) {
 	    if ($LaTeXwidth=~/^%/) {
 		substr($LaTeXwidth,0,1)='';
 		$LaTeXwidth=($LaTeXwidth/100).'\textwidth';
 	    }
 	} else {
-	    $LaTeXwidth ='0.95\textwidth';
+	    $LaTeXwidth ='0.9\textwidth';
 	}
 	my ($pre,$post);
 	my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
@@ -1310,7 +1329,7 @@ sub start_hr {
 	} elsif ($align eq 'right') {
 	    $pre=' \hfill \llap{'; $post='}';
 	}
-	$currentstring .= ' \vskip 0 mm \noindent\makebox[\textwidth]{'.$pre.'\makebox['.
+	$currentstring .= ' \vskip 0 mm \noindent\makebox['.$LaTeXwidth.']{'.$pre.'\makebox['.
                                     $LaTeXwidth.'][b]{\hrulefill}'.$post.'}\vskip 0 mm ';
     } 
     return $currentstring;
@@ -1321,8 +1340,7 @@ sub end_hr {
     my $currentstring = '';
     if ($target eq 'web') {
 	$currentstring .= $token->[2];
-    } elsif ($target eq 'tex') {
-    } 
+    }
     return $currentstring;
 }
 
@@ -1347,50 +1365,43 @@ sub end_div {
 
 #-- <a> tag
 sub start_a {
-    my ($target,$token) = @_;
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';
     if ($target eq 'web') {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
+	my $a=&Apache::lonxml::get_param('href',$parstack,$safeeval,undef,1);
+	$a=~s/([^\\])%/$1\\\%/g;
+	$currentstring .= '\ref{'.$a.'}';
     }
     return $currentstring;
 }
 
 sub end_a {
-    my ($target,$token,$tagstack,$stackref) = @_;
+    my ($target,$token,$tagstack,$parstack,$safeeval) = @_;
     my $currentstring = '';
     if ($target eq 'web') {
 	$currentstring .= $token->[2];
-    } elsif ($target eq 'tex') {
-	my  $tempor_var = $stackref->[$#$stackref];
-	if (index($tempor_var,'name') != -1 ) {
-	    $tempor_var =~ s/name=([^,]*),/$1/g;
-	} elsif (index($tempor_var,'href') != -1 ) {
-	    $tempor_var =~ s/href=([^,]*),/$1/g;
-	    $currentstring .= " \\ref{$tempor_var}";
-	}
     }
     return $currentstring;
 }
 
 #-- <li> tag
 sub start_li {
-    my ($target,$token,$tagstack,$stackref) = @_;
+    my ($target,$token,$tagstack,$parstack,$safeeval) = @_;
     my $currentstring = '';
     if ($target eq 'web') {
 	$currentstring = $token->[4];     
     } elsif ($target eq 'tex') {
-	my  $tempor_var = $stackref->[$#$stackref];
-	if (index($tempor_var,'circle') != -1 ) {
-	    $currentstring .= " \\item[o] ";
-	} elsif (index($tempor_var,'square') != -1 ) {
-	    $currentstring .= " \\item[$\Box$] ";
-	} elsif ($tempor_var ne '') { 
-	    $_ = $tempor_var;
-	    m/my\s*([^=]*)=/;
-	    $currentstring .= " \\item[$1] ";
+	my  $type=&Apache::lonxml::get_param('type',$parstack,$safeeval,undef,1);
+	if ($type=~/circle/) {
+	    $currentstring .= ' \item[o] ';
+	} elsif ($type=~/square/) {
+	    $currentstring .= ' \item[$\Box$] ';
+	} elsif ($type ne '') { 
+	    $currentstring .= ' \item['.$type.'] ';
 	} else {
-	    $currentstring .= " \\item ";
+	    $currentstring .= ' \item ';
 	}  
     } 
     return $currentstring;
@@ -1621,10 +1632,16 @@ sub end_dt {
 
 #-- <dd> tag
 sub start_dd {
-    my ($target,$token) = @_;
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $currentstring = '';
     if ($target eq 'web') {
 	$currentstring = $token->[4];     
+    } elsif ($target eq 'tex') {
+	if ($$tagstack[-2] eq 'dl') {
+	    $currentstring = ' \item [] ';  
+	} elsif ($$tagstack[-2] eq 'dt') {
+	    $currentstring = ']'; 
+	}
     } 
     return $currentstring;
 }
@@ -1843,11 +1860,9 @@ sub end_td {
 		$current_length=~/(\d+\.?\d*)/;
 		$Apache::londefdef::table[-1]{'TeXlength'} .= $1.',';
 		$Apache::londefdef::table[-1]{'length'} .= '0,';
-	    } else {     
-		$data=~/^\s*(\S.*)/;
-		$data=$1;
-		$data=~/(.*\S)\s*$/;
-		$data=$1;
+	    } else {  
+		$data=~s/^\s+(\S.*)/$1/;
+		$data=~s/(.*\S)\s+$/$1/;
 		my $current_length=2*length($data);
 		$Apache::londefdef::table[-1]{'length'} .= $current_length.',';
 		$Apache::londefdef::table[-1]{'TeXlength'} .= '0,';