--- loncom/xml/londefdef.pm	2003/05/21 14:57:31	1.134
+++ loncom/xml/londefdef.pm	2003/07/08 18:12:28	1.151
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.134 2003/05/21 14:57:31 sakharuk Exp $
+# $Id: londefdef.pm,v 1.151 2003/07/08 18:12:28 sakharuk Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -54,7 +54,7 @@ use Apache::lonmeta();
 
 BEGIN {
 
-    &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr'));
+    &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput'));
 
 }
 
@@ -157,9 +157,11 @@ sub start_html {
 	    &Apache::lonxml::fontsettings();     
     } elsif ($target eq 'tex') {
 	@Apache::londefdef::table = ();
-	$currentstring .= '\documentclass[letterpaper]{article}
-                           \newcommand{\keephidden}[1]{}
+	$currentstring .= '\documentclass[letterpaper]{article}'.
+                           #'\batchmode'.
+                           '\newcommand{\keephidden}[1]{}
                            \renewcommand{\deg}{$^{\circ}$}
+                           \usepackage{longtable}
                            \usepackage{textcomp}
                            \usepackage[dvips]{graphicx}
                            \usepackage{epsfig}\usepackage{calc}
@@ -354,8 +356,7 @@ sub start_meta {
 	} else {
 	    $currentstring = $token->[4];
 	}
-    }
-    if ($target eq 'meta') {
+    } elsif ($target eq 'meta') {
 	unless (&Apache::lonxml::get_param
 		('http-equiv',$parstack,$safeeval,undef,1)) {
 	    my $name=$token->[2]->{'name'};
@@ -366,9 +367,15 @@ sub start_meta {
 		$currentstring='<'.$name.'>'.
 		    &Apache::lonxml::get_param
 			('content',$parstack,$safeeval,undef,1).
-			    '</'.$name.'>';
+			'</'.$name.'>';
 	    }
 	}
+    } elsif ($target eq 'tex') {
+	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 $currentstring;
 }
@@ -382,7 +389,10 @@ sub end_meta {
 	if ($args ne '') {
 	    $currentstring = $token->[4];
 	}
-    } 
+    } elsif ($target eq 'tex') {
+	$currentstring=&Apache::lonxml::endredirection();
+	$currentstring='';
+    }
     return $currentstring;
 }
 
@@ -497,9 +507,7 @@ sub start_center {
 	$currentstring = $token->[4];     
     } elsif ($target eq 'tex') {
 	$currentstring = '\begin{center}';  
-    }  elsif ($target eq 'latexsource') {
-	$currentstring = '\begin{center}';  
-    } 
+    }
     return $currentstring;
 }
 
@@ -510,9 +518,7 @@ sub end_center {
 	$currentstring = $token->[2];     
     } elsif ($target eq 'tex') {
 	$currentstring = '\end{center}';  
-    }  elsif ($target eq 'latexsource') {
-	$currentstring = '\end{center}';  
-    } 
+    }
     return $currentstring;
 }
 
@@ -524,8 +530,6 @@ sub start_b {
 	$currentstring = $token->[4];     
     } elsif ($target eq 'tex') {
 	$currentstring = '\textbf{';  
-    }  elsif ($target eq 'latexsource') {
-	$currentstring = '\textbf{';  
     } 
     return $currentstring;
 }
@@ -537,8 +541,6 @@ sub end_b {
 	$currentstring = $token->[2];     
     } elsif ($target eq 'tex') {
 	$currentstring = '}';  
-    } elsif ($target eq 'latexsource') {
-	$currentstring = '}';  
     } 
     return $currentstring;
 }
@@ -551,8 +553,6 @@ sub start_strong {
 	$currentstring = $token->[4];     
     } elsif ($target eq 'tex') {
 	$currentstring = '\textbf{';  
-    } elsif ($target eq 'latexsource') {
-	$currentstring = '\textbf{';  
     } 
     return $currentstring;
 }
@@ -565,9 +565,7 @@ sub end_strong {
 	$currentstring = $token->[2];     
     } elsif ($target eq 'tex') {
 	$currentstring = '}';  
-    }  elsif ($target eq 'latexsource') {
-	$currentstring = '}';  
-    } 
+    }
     return $currentstring;
 }
 
@@ -843,9 +841,7 @@ sub start_cite {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	$currentstring .= "\\textit{";
-    }  elsif ($target eq 'latexsource') {
-	$currentstring .= "\\textit{";
-    } 
+    }
     return $currentstring;
 }
 
@@ -856,9 +852,7 @@ sub end_cite {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	$currentstring .= "}";
-    }  elsif ($target eq 'latexsource') {
-	$currentstring .= "}";
-    } 
+    }
     return $currentstring;
 }
 
@@ -870,9 +864,7 @@ sub start_i {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	$currentstring .= '\textit{';
-    }  elsif ($target eq 'latexsource') {
-	$currentstring .= '\textit{';
-    } 
+    }
     return $currentstring;
 }
 
@@ -883,8 +875,6 @@ sub end_i {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	$currentstring .= '}';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '}';
     } 
     return $currentstring;
 }
@@ -897,9 +887,7 @@ sub start_address {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	$currentstring .= "\\textit{";
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= "\\textit{";
-    } 
+    }
     return $currentstring;
 }
 
@@ -910,8 +898,6 @@ sub end_address {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	$currentstring .= "}";
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= "}";
     }
     return $currentstring;
 }
@@ -924,8 +910,6 @@ sub start_dfn {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	$currentstring .= "\\textit{";
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= "\\textit{";
     } 
     return $currentstring;
 }
@@ -937,9 +921,7 @@ sub end_dfn {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	$currentstring .= "}";
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= "}";
-    } 
+    }
     return $currentstring;
 }
 
@@ -951,9 +933,7 @@ sub start_tt {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	$currentstring .= '\texttt{';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '\texttt{';
-    } 
+    }
     return $currentstring;
 }
 
@@ -964,8 +944,6 @@ sub end_tt {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	$currentstring .= '}';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '}';
     }
     return $currentstring;
 }
@@ -978,9 +956,7 @@ sub start_kbd {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	$currentstring .= "\\texttt";
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= "\\texttt{";
-    } 
+    }
     return $currentstring;
 }
 
@@ -991,9 +967,7 @@ sub end_kbd {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	$currentstring .= "}";
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= "}";
-    } 
+    }
     return $currentstring;
 }
 
@@ -1028,9 +1002,7 @@ sub start_em {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	$currentstring .= '\emph{';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '\emph{';
-    } 
+    }
     return $currentstring;
 }
 
@@ -1041,9 +1013,7 @@ sub end_em {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	$currentstring .= '}';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '}';
-    }  
+    } 
     return $currentstring;
 }
 
@@ -1055,8 +1025,6 @@ sub start_q {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	$currentstring .= "\\emph{";
-    }  elsif ($target eq 'latexsource') {
-	$currentstring .= "\\emph{";
     }
     return $currentstring;
 }
@@ -1068,9 +1036,7 @@ sub end_q {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	$currentstring .= "}";
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= "}";
-    }  
+    } 
     return $currentstring;
 }
 
@@ -1081,10 +1047,8 @@ sub start_p {
     if ($target eq 'web') {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
-	$currentstring .= '{\par ';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '{\par ';
-    } 
+	$currentstring .= '\par ';
+    }
     return $currentstring;
 }
 
@@ -1093,10 +1057,6 @@ sub end_p {
     my $currentstring = '';
     if ($target eq 'web') {
 	$currentstring .= $token->[2];
-    } elsif ($target eq 'tex') {
-	$currentstring .= '}';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '}';
     }
     return $currentstring;
 }
@@ -1109,11 +1069,9 @@ sub start_br {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	if ($$tagstack[-2] ne 'sub' && $$tagstack[-2] ne 'sup') {
-	    $currentstring .= '\vskip 0.2 mm';
+	    $currentstring .= '\vskip 0.2 mm ';
 	}
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '\\';
-    } 
+    }
     return $currentstring;
 }
 
@@ -1133,10 +1091,8 @@ sub start_big {
     if ($target eq 'web') {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
-	$currentstring .= '\large{';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '{\Large ';
-    }  
+	$currentstring .= '{\large ';
+    } 
     return $currentstring;
 }
 
@@ -1147,8 +1103,6 @@ sub end_big {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	$currentstring .= '}';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '}';
     }
     return $currentstring;
 }
@@ -1161,9 +1115,7 @@ sub start_small {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
 	$currentstring .= '{\footnotesize ';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '{\footnotesize ';
-    } 
+    }
     return $currentstring;
 }
 
@@ -1174,8 +1126,6 @@ sub end_small {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
 	$currentstring .= '}';
-    } elsif ($target eq 'latexsource') {
-	$currentstring .= '}';
     }
     return $currentstring;
 }
@@ -1347,14 +1297,14 @@ sub start_hr {
     if ($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,$safeeval,undef,1);
@@ -1365,7 +1315,7 @@ sub start_hr {
 	} elsif ($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;
@@ -1376,8 +1326,7 @@ sub end_hr {
     my $currentstring = '';
     if ($target eq 'web') {
 	$currentstring .= $token->[2];
-    } elsif ($target eq 'tex') {
-    } 
+    }
     return $currentstring;
 }
 
@@ -1402,50 +1351,43 @@ 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;
@@ -1676,10 +1618,14 @@ 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 [] ';  
+	}
     } 
     return $currentstring;
 }
@@ -1696,11 +1642,11 @@ sub end_dd {
 #-- <table> tag
 sub start_table {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
-    my $textwidth;
+    my $textwidth='';
     if (not defined @Apache::londefdef::table) {
 	$textwidth=&recalc($ENV{'form.textwidth'});
-	$textwidth=~/(\d+)/;
-	$textwidth=$1;
+	$textwidth=~/(\d+\.?\d*)/;
+	$textwidth=0.95*$1;
     } else {
 	$textwidth=&Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
     }
@@ -1742,7 +1688,7 @@ sub start_table {
 	    $Apache::londefdef::table[-1]{'vvinc'} = '';
 	}
 	$Apache::londefdef::table[-1]{'output'} = ' \noindent \begin{tabular} ';
-	$currentstring = '\keephidden{NEW TABLE ENTRY '.$textwidth.'}';
+	$currentstring = '\keephidden{NEW TABLE ENTRY}';
     }
     return $currentstring;
 }
@@ -1820,6 +1766,7 @@ sub end_table {
 	} else {
 	    $currentstring .= $Apache::londefdef::table[-1]{'output'};
 	    pop @Apache::londefdef::table;
+	    undef @Apache::londefdef::table;
 	}
     }
     return $currentstring;
@@ -1897,17 +1844,15 @@ 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,';
 	    }        
 	}
-	for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {                                
+	for (my $in=0; $in<=$#{$Apache::londefdef::table[-1]{'include'}};$in++) {         
 	    $data=~s/\\keephidden\{NEW TABLE ENTRY\}/$Apache::londefdef::table[-1]{'include'}[$in]/;
 	}
 	@{ $Apache::londefdef::table[-1]{'rowdata'} }[$current_row] .= '\parbox{TOBECHANGEDONNUMBER}{'.$data.'} '.$Apache::londefdef::table[-1]{'vinc'};
@@ -2194,7 +2139,8 @@ sub start_allow {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
     my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1);
     $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
-    $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
+    $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=
+	&Apache::lonnet::clutter($src);
     &image_replication($src);
     my $result;
     if ($target eq 'edit') {
@@ -2267,9 +2213,7 @@ sub start_pre {
     if ($target eq 'web') {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
-	my $width = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0);
-	if (not defined $width) {$width ='\textwidth';}
-	$currentstring .= '\parbox['.$width.']{\begin{verbatim}';
+	$currentstring .= '\begin{verbatim}';
     } 
     return $currentstring;
 }
@@ -2280,7 +2224,7 @@ sub end_pre {
     if ($target eq 'web') {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
-	$currentstring .= '\end{verbatim}}';
+	$currentstring .= '\end{verbatim}';
     }
     return $currentstring;
 }