--- loncom/xml/londefdef.pm	2003/10/14 14:40:33	1.181
+++ loncom/xml/londefdef.pm	2003/10/21 19:40:32	1.185
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Tags Default Definition Module 
 #
-# $Id: londefdef.pm,v 1.181 2003/10/14 14:40:33 sakharuk Exp $
+# $Id: londefdef.pm,v 1.185 2003/10/21 19:40:32 albertel Exp $
 # 
 #
 # Copyright Michigan State University Board of Trustees
@@ -344,7 +344,7 @@ sub start_title {
     }
     if ($target eq 'meta') {
 	$currentstring='<title>';
-	&start_output();
+	&start_output($target);
     }
     return $currentstring;
 }
@@ -358,7 +358,7 @@ sub end_title {
 	$currentstring .= '}';
     }  
     if ($target eq 'meta') {
-	&end_output();
+	&end_output($target);
 	$currentstring='</title>';
     } 
     return $currentstring;
@@ -625,8 +625,7 @@ sub start_strong {
 sub end_strong {
     my ($target,$token) = @_;
     my $currentstring = '';
-    if ($target eq 'web') {
-	
+    if ($target eq 'web') {	
 	$currentstring = $token->[2];     
     } elsif ($target eq 'tex') {
 	$currentstring = '}';  
@@ -655,7 +654,7 @@ sub start_h1 {
 	$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{'; 
     } elsif ($target eq 'meta') {
 	$currentstring='<subject>';
-	&start_output();
+	&start_output($target);
     }
     return $currentstring;
 }
@@ -677,7 +676,7 @@ sub end_h1 {
 	}
 	$currentstring .= '}}'.$post;
     } elsif ($target eq 'meta') {
-	&end_output();
+	&end_output($target);
 	$currentstring='</subject>';
     } 
     return $currentstring;
@@ -1323,7 +1322,7 @@ sub start_sub {
     if ($target eq 'web') {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
-	$currentstring .= "\$_{ ";
+	$currentstring .= "\$_{";
     } 
     return $currentstring;
 }
@@ -1334,7 +1333,7 @@ sub end_sub {
     if ($target eq 'web') {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
-	$currentstring .= " }\$";
+	$currentstring .= "}\$";
     }
     return $currentstring;
 }
@@ -1346,7 +1345,7 @@ sub start_sup {
     if ($target eq 'web') {
 	$currentstring .= $token->[4];
     } elsif ($target eq 'tex') {
-	$currentstring .= "\$^{ ";
+	$currentstring .= "\$^{";
     } 
     return $currentstring;
 }
@@ -1357,7 +1356,7 @@ sub end_sup {
     if ($target eq 'web') {
 	$currentstring .= $token->[2];
     } elsif ($target eq 'tex') {
-	$currentstring .= " }\$";
+	$currentstring .= "}\$";
     }
     return $currentstring;
 }
@@ -1995,14 +1994,11 @@ sub end_td_tex {
 		$newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
 		my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
 		foreach my $elementdata (@newdata) {
-		    $elementdata=~s/^\s+(\S.*)/$1/; 
-		    $elementdata=~s/(.*\S)\s+$/$1/;
-		    $elementdata=~s/(\s)+/$1/;
-		    my $lengthnewdata=1.8*length($elementdata);
+		    my $lengthnewdata=1.8*LATEX_length($elementdata);
 		    if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
 		}
 	    } else {
-		$current_length=1.8*length($data);
+		$current_length=1.8*LATEX_length($data);
 	    }
 	    $Apache::londefdef::table[-1]{'length'} .= $current_length.',';
 	    $Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
@@ -2163,7 +2159,9 @@ sub start_img {
 		    my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
 		    $temp_file = Apache::File->new('>>'.$filename); 
 		    print $temp_file "$src\n";
-		    $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+		    $newsrc=~s/\/home\/httpd\/html\/res//;
+		    $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
+		    $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
 		}
 	    }
 	} else {
@@ -3330,5 +3328,26 @@ sub recalc {
     return $value.' mm';
 }
 
+sub LATEX_length {
+    my $garbage=shift;
+    $garbage=~s/^\s+(\S.*)/$1/; 
+    $garbage=~s/(.*\S)\s+$/$1/;
+    $garbage=~s/(\s)+/$1/;
+    $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;
+    $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$|\$)//g;
+    $garbage=~s/(\\alpha|\\beta|\\gamma|\\delta|\\epsilon|\\verepsilon|\\zeta|\\eta|\\theta|\\vartheta|\\iota|\\kappa|\\lambda|\\mu|\\nu|\\xi|\\pi|\\varpi|\\rho|\\varrho|\\sigma|\\varsigma|\\tau|\\upsilon|\\phi|\\varphi|\\chi|\\psi|\\omega|\\Gamma|\\Delta|\\Theta|\\Lambda|\\Xi|\\Pi|\\Sigma|\\Upsilon|\\Phi|\\Psi|\\Omega)/1/g;
+    $garbage=~s/(\\pm|\\mp|\\times|\\div|\\cdot|\\ast|\\star|\\dagger|\\ddagger|\\amalg|\\cap|\\cup|\\uplus|\\sqcap|\\sqcup|\\vee|\\wedge|\\oplus|\\ominus|\\otimes|\\circ|\\bullet|\\diamond|\\lhd|\\rhd|\\unlhd|\\unrhd|\\oslash|\\odot|\\bigcirc|\\Box|\\Diamond|\\bigtriangleup|\\bigtriangledown|\\triangleleft|\\triangleright|\\setminus|\\wr)/1/g;
+    $garbage=~s/(\\le|\\ll|\\leq|\\ge|\\geq|\\gg|\\neq|\\doreq|\\sim|\\simeq|\\subset|\\subseteq|\\sqsubset|\\sqsubseteq|\\in|\\vdash|\\models|\\supset|\\supseteq|\\sqsupset|\\sqsupseteq|\\ni|\\dash|\\perp|\\approx|\\cong|\\equiv|\\propto|\\prec|\\preceq|\\parallel|\\asymp|\\smile|\\frown|\\bowtie|\\succ|\\succeq|\\mid)/1/g;
+    $garbage=~s/(\\not<|\\\\not\\le|\\not\\prec|\\not\\preceq|\\not\\subset|\\not\\subseteq|\\not\\sqsubseteq|\\not\\in|\\not>|\\not\\ge|\\not\\succ|\\notsucceq|\\not\\supset|\\notsupseteq|\\not\\sqsupseteq|\\notin|\\not=|\\not\\equiv|\\not\\sim|\\not\\simeq|\\not\\approx|\\not\\cong|\\not\\asymp)/1/g;
+    $garbage=~s/(\\leftarrow|\\gets|\\Leftarrow|\\rightarrow|\\to|\\Rightarrow|\\leftrightarrow|\\Leftrightarrow|\\mapsto|\\hookleftarrow|\\leftharpoonup|\\leftkarpoondown|\\rightleftharpoons|\\longleftarrow|\\Longleftarrow|\\longrightarrow|\\Longrightarrow|\\longleftrightarrow|\\Longleftrightarrow|\\longmapsto|\\hookrightarrow|\\rightharpoonup|\\rightharpoondown|\\uparrow|\\Uparrow|\\downarrow|\\Downarrow|\\updownarrow|\\Updownarrow|\\nearrow|\\searrow|\\swarrow|\\nwarrow)/1/g;
+    $garbage=~s/(\\aleph|\\hbar|\\imath|\\jmath|\\ell|\\wp|\\Re|\\Im|\\mho|\\prime|\\emptyset|\\nabla|\\surd|\\partial|\\top|\\bot|\\vdash|\\dashv|\\forall|\\exists|\\neg|\\flat|\\natural|\\sharp|\\\||\\angle|\\backslash|\\Box|\\Diamond|\\triangle|\\clubsuit|\\diamondsuit|\\heartsuit|\\spadesuit|\\Join|\\infty)/ /g;
+    $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g; 
+    my  $value=length($garbage);
+    return $value;
+}
+
+
+
+
 1;
 __END__