--- loncom/interface/lonprintout.pm	2016/08/06 20:52:43	1.627.2.16
+++ loncom/interface/lonprintout.pm	2016/08/10 00:56:37	1.627.2.17
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Printout
 #
-# $Id: lonprintout.pm,v 1.627.2.16 2016/08/06 20:52:43 raeburn Exp $
+# $Id: lonprintout.pm,v 1.627.2.17 2016/08/10 00:56:37 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -846,9 +846,9 @@ sub set_font_size {
 
     if ($font_size ne '') {
 
-	$text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
+	$text =~ s/\\begin\{document}/\\begin{document}{\\$font_size/;
     }
-    $text =~ s/\\end{document}/}\\end{document}/;
+    $text =~ s/\\end\{document}/}\\end{document}/;
     return $text;
 
 
@@ -925,13 +925,13 @@ sub include_pdf {
 sub collect_languages {
     my $doc = shift;
     my %languages;
-    while ($doc =~ /\\selectlanguage{(\w+)}/mg) {
+    while ($doc =~ /\\selectlanguage\{(\w+)}/mg) {
 	$languages{$1} = 1;	# allows us to request each language exactly once.
     }
     my @lang_list = (keys(%languages)); # List of unique languages
     if (scalar @lang_list) {
 	my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
-	$doc =~ s/\\begin{document}/$babel_header\\begin{document}/;
+	$doc =~ s/\\begin\{document}/$babel_header\\begin{document}/;
     }
     return $doc;
 }
@@ -1333,8 +1333,8 @@ sub compare_names {
 
 sub latex_header_footer_remove {
     my $text = shift;
-    $text =~ s/\\end{document}//;
-    $text =~ s/\\documentclass([^&]*)\\begin{document}//;
+    $text =~ s/\\end\{document}//;
+    $text =~ s/\\documentclass([^&]*)\\begin\{document}//;
     return $text;
 }
 #
@@ -1883,12 +1883,12 @@ sub page_format_transformation {
 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
     }
     if ($layout eq 'album') {
-	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
+	    $text =~ s/\\begin\{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
     } elsif ($layout eq 'book') {
 	if ($choice ne 'All class print') { 
-	    $text =~ s/\\begin{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
+	    $text =~ s/\\begin\{document}/\\textheight $textheight\\oddsidemargin = $evenoffset\\evensidemargin = $evenoffset $topmargintoinsert\n\\textwidth= $textwidth\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\n\\renewcommand{\\ref}{\\keephidden\}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\n\\voffset=-0\.8 cm\\setcounter{page}{1}\n/;
 	} else {
-	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
+	    $text =~ s/\\pagestyle\{fancy}\\rhead\{}\\chead\{}\s*\\begin\{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
 	}
 	if ($papersize eq 'a4') {
 	    my $papersize_text;
@@ -1897,13 +1897,13 @@ sub page_format_transformation {
 	    } else {
 		$papersize_text = '\special{papersize=210mm,297mm}';
 	    }
-	    $text =~ s/(\\begin{document})/$1$papersize_text/;
+	    $text =~ s/(\\begin\{document})/$1$papersize_text/;
 	}
     }
     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
     if ($indexlist eq 'yes') {
-	$text=~s/(\\begin{document})/\\makeindex $1/;
-	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
+	$text=~s/(\\begin\{document})/\\makeindex $1/;
+	$text=~s/(\\end\{document})/\\strut\\\\\\strut\\printindex $1/;
     }
     return $text;
 }
@@ -1912,12 +1912,12 @@ sub page_format_transformation {
 sub page_cleanup {
     my $result = shift;	
  
-    $result =~ m/\\end{document}(\d*)$/;
+    $result =~ m/\\end\{document}(\d*)$/;
     my $number_of_columns = $1;
     my $insert = '{';
     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
     $insert .= '}';
-    $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
+    $result =~ s/(\\begin\{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
     return $result,$number_of_columns;
 }
@@ -1953,16 +1953,16 @@ my $end_of_student = "\n".'\special{ps:E
 
 sub latex_corrections {
     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
-#    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
+#    $result =~ s/\\includegraphics\{/\\includegraphics\[width=\\minipagewidth\]{/g;
     my $copyright = &copyright_line();
     if ($selectionmade eq '1' || $answer_mode eq 'only') {
-	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
+	$result =~ s/(\\end\{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
     } else {
-	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
+	$result =~ s/(\\end\{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
     }
     $result =~ s/\$number_of_columns/$number_of_columns/g;
-    $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
-    $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
+    $result =~ s/(\\end\{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
+    $result =~ s/(\\end\{longtable}\s*)\\strut\\newline/$1/g;
 #-- LaTeX corrections     
     my $first_comment = index($result,'<!--',0);
     while ($first_comment != -1) {
@@ -2220,7 +2220,7 @@ sub print_page_in_course {
 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
 
 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
-		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+		    $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
 		} else {
 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
@@ -2246,7 +2246,7 @@ sub print_page_in_course {
 
 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
 		my $annotation .= &annotate($currentURL);
-		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
+		$texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
 	    }
 	    
 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
@@ -2538,7 +2538,7 @@ sub print_construction_sequence {
 		$resources_printed .= $urlp.':';
 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
-		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+		    $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
 		} else {
 		    # If necessary, encapsulate answer in minipage:
 		    
@@ -2801,7 +2801,7 @@ ENDPART
 		
 
 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
-		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+		    $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
 		} else {
 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
@@ -2828,7 +2828,7 @@ ENDPART
 
 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
 		my $annotation .= &annotate($currentURL);
-		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
+		$texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
 	    }
 
 
@@ -2859,7 +2859,7 @@ ENDPART
 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
 		    my $annotation = &annotate($currentURL);
-		    $texversion    =~ s/(\\end{document})/$annotation$1/;
+		    $texversion    =~ s/(\\end\{document})/$annotation$1/;
 		}
 		$result .= $texversion;
 	} elsif ($cleanURL =~/\.tex$/) {
@@ -2870,7 +2870,7 @@ ENDPART
 	    $result = &fetch_raw_resource($currentURL);
 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
 		my $annotation = &annotate($currentURL);
-		$result =~ s/(\\end{document})/$annotation$1/;
+		$result =~ s/(\\end\{document})/$annotation$1/;
 	    }
 
 	    $do_postprocessing = 0; # Don't massage the result.
@@ -2977,7 +2977,7 @@ ENDPART
 		if ($urlp=~/\.page$/) {
 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
-		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
+		    $texversion =~ s/\\end\{document}\d*/\\end{document}/;
 		    $flag_page_in_sequence = 'YES';
 		}
 
@@ -2992,21 +2992,21 @@ ENDPART
 		    &Apache::lonxml::restore_problem_counter();
 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
                     if ($urlp =~ /\.page$/) {
-                        $answer =~ s/\\end{document}(\d*)$//;
+                        $answer =~ s/\\end\{document}(\d*)$//;
                     }
 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                         if ($urlp =~ /\.page$/) {
-                            my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
+                            my @probs = split(/\\keephidden\{ENDOFPROBLEM}/,$texversion);
                             my $lastprob = pop(@probs);
                             $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                             $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                         } else {
-                            $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+                            $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
                         }
 		    } else {
 			if ($urlp=~/$LONCAPA::assess_page_re/) {
 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
-#			    $texversion =~ s/\\begin{document}//; # FIXME
+#			    $texversion =~ s/\\begin\{document}//; # FIXME
 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
 			    $title = &Apache::lonxml::latex_special_symbols($title);
 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
@@ -3022,13 +3022,13 @@ ENDPART
 		}
 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
 		    my $annotation .= &annotate($urlp);
-		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
+		    $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
 		}
 
 		if ($flag_latex_header_remove ne 'NO') {
 		    $texversion = &latex_header_footer_remove($texversion);
 		} else {
-		    $texversion =~ s/\\end{document}//;
+		    $texversion =~ s/\\end\{document}//;
 		}
 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
 		    $texversion=&IndexCreation($texversion,$urlp);
@@ -3058,13 +3058,13 @@ ENDPART
 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
 		    my $annotation = &annotate($urlp);
-		    $texversion =~ s/(\\end{document)/$annotation$1/;
+		    $texversion =~ s/(\\end\{document)/$annotation$1/;
 		}
 
 		if ($flag_latex_header_remove ne 'NO') {
 		    $texversion = &latex_header_footer_remove($texversion);
 		} else {	
-		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
+		    $texversion =~ s/\\end\{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
 		}
 		$result .= $texversion;
 		$flag_latex_header_remove = 'YES'; 
@@ -3095,7 +3095,7 @@ ENDPART
 		if ($flag_latex_header_remove ne 'NO') {
 		    $texversion = &latex_header_footer_remove($texversion);
 		} else {
-		    $texversion =~ s/\\end{document}//;
+		    $texversion =~ s/\\end\{document}//;
 		}
 		$result .= $texversion;
 		$flag_latex_header_remove = 'YES';   
@@ -3106,7 +3106,7 @@ ENDPART
 	}
 	&Apache::lonxml::clear_problem_counter();
 	if ($flag_page_in_sequence eq 'YES') {
-	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
+	    $result =~ s/\\usepackage\{calc}/\\usepackage{calc}\\usepackage{longtable}/;
 	}	
 	$result .= '\end{document}';
      } elsif (($print_type eq 'problems_for_students')           ||
@@ -3385,7 +3385,7 @@ ENDPART
 		    $resources_printed .= $urlp.':';
 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
-			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
+			$texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
 		    } else {
 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
 			if ($helper->{'VARS'}->{'construction'} ne '1') {
@@ -3402,11 +3402,11 @@ ENDPART
                 #this chunk is responsible for printing the path to problem
 
 		my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
-		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
+		$texversion =~ s/(\\begin\{minipage}{\\textwidth})/$1 $newurlp/;
 		if ($flag_latex_header_remove ne 'NO') {
 		    $texversion = &latex_header_footer_remove($texversion);
 		} else {
-		    $texversion =~ s/\\end{document}//;
+		    $texversion =~ s/\\end\{document}//;
 		}
 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
 		    $texversion=&IndexCreation($texversion,$urlp);
@@ -3676,7 +3676,7 @@ sub print_resources {
                         if ($remove_latex_header eq 'YES') {
                             $rendered = &latex_header_footer_remove($rendered);
                         } else {
-                            $rendered =~ s/\\end{document}\d*//;
+                            $rendered =~ s/\\end\{document}\d*//;
                         }
                     }
 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
@@ -3693,13 +3693,13 @@ sub print_resources {
 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
 
 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
-			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
+			    $rendered=~s/(\\keephidden\{ENDOFPROBLEM})/$ansrendered$1/;
 			} else {
 
 			    
 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                             unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
-                                $header =~ s/\\begin{document}//;     #<<<<<
+                                $header =~ s/\\begin\{document}//;     #<<<<<
                             }
 			    my $title = &Apache::lonnet::gettitle($curresline);
 			    $title = &Apache::lonxml::latex_special_symbols($title);
@@ -3713,13 +3713,13 @@ sub print_resources {
 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
 			my $url = &Apache::lonnet::clutter($res_url);
 			my $annotation = &annotate($url);
-			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
+			$rendered =~  s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
 		    }
 		    my $junk;
 		    if ($remove_latex_header eq 'YES') {
 			$rendered = &latex_header_footer_remove($rendered);
 		    } else {
-			$rendered =~ s/\\end{document}//;
+			$rendered =~ s/\\end\{document}//;
 		    }
 		    $current_output .= $rendered;		    
 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
@@ -3731,12 +3731,12 @@ sub print_resources {
 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
 			my $url = &Apache::lonnet::clutter($res_url);
 			my $annotation = &annotate($url);
-			$annotation    =~ s/(\\end{document})/$annotation$1/;
+			$annotation    =~ s/(\\end\{document})/$annotation$1/;
 		    }
 		    if ($remove_latex_header eq 'YES') {
 			$rendered = &latex_header_footer_remove($rendered);
 		    } else {
-			$rendered =~ s/\\end{document}//;
+			$rendered =~ s/\\end\{document}//;
 		    }
 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
 		} elsif($res_url = ~/\.pdf$/) {
@@ -3751,7 +3751,7 @@ sub print_resources {
 		    if ($remove_latex_header ne 'NO') {
 			$rendered = &latex_header_footer_remove($rendered);
 		    } else {
-			$rendered =~ s/\\end{document}//;
+			$rendered =~ s/\\end\{document}//;
 		    }
 		    $current_output .= $rendered;
 		}
@@ -3816,7 +3816,7 @@ sub print_resources {
     my $newheader = $header_start.'{'.$header_line.'}';
 
     if ($current_output=~/\\documentclass/) {
-	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$newheader$namepostfix}\\vskip 5 mm /;
+	$current_output =~ s/\\begin\{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$newheader$namepostfix}\\vskip 5 mm /;
     } else {
 	my $blankpages = 
 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};