Annotation of loncom/homework/rankresponse.pm, revision 1.23

1.1       albertel    1: # The LearningOnline Network with CAPA
                      2: # rank style response
                      3: #
1.23    ! sakharuk    4: # $Id: rankresponse.pm,v 1.22 2003/10/15 19:40:42 albertel Exp $
1.1       albertel    5: # Copyright Michigan State University Board of Trustees
                      6: #
                      7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      8: #
                      9: # LON-CAPA is free software; you can redistribute it and/or modify
                     10: # it under the terms of the GNU General Public License as published by
                     11: # the Free Software Foundation; either version 2 of the License, or
                     12: # (at your option) any later version.
                     13: #
                     14: # LON-CAPA is distributed in the hope that it will be useful,
                     15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     17: # GNU General Public License for more details.
                     18: #
                     19: # You should have received a copy of the GNU General Public License
                     20: # along with LON-CAPA; if not, write to the Free Software
                     21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     22: #
                     23: # /home/httpd/html/adm/gpl.txt
                     24: #
                     25: # http://www.lon-capa.org/
                     26: #
                     27: # 2/21 Guy
                     28: 
                     29: package Apache::rankresponse;
                     30: use strict;
                     31: use HTML::Entities();
1.4       sakharuk   32: use Apache::optionresponse;
1.1       albertel   33: 
                     34: BEGIN {
                     35:     &Apache::lonxml::register('Apache::rankresponse',('rankresponse'));
                     36: }
                     37: 
                     38: sub start_rankresponse {
                     39:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     40:     my $result;
                     41:     #when in a rank response use these
                     42:     &Apache::lonxml::register('Apache::rankresponse',
                     43: 			      ('foilgroup','foil','conceptgroup'));
                     44:     push (@Apache::lonxml::namespace,'rankresponse');
                     45:     my $id = &Apache::response::start_response($parstack,$safeeval);
                     46:     %Apache::hint::rank=();
                     47:     if ($target eq 'meta') {
                     48: 	$result=&Apache::response::meta_package_write('rankresponse');
                     49:     } elsif ($target eq 'edit' ) {
                     50: 	$result.=&Apache::edit::start_table($token).
                     51: 	    '<tr><td>'.&Apache::lonxml::description($token)."</td><td>Delete:".
                     52: 	    &Apache::edit::deletelist($target,$token)
                     53: 	    ."</td><td>&nbsp".&Apache::edit::end_row()
                     54: 	    .&Apache::edit::start_spanning_row();
                     55: 	
                     56: 	$result.=
                     57: 	    &Apache::edit::text_arg('Max Number Of Shown Foils:','max',$token,'4').
                     58: 	    &Apache::edit::select_arg('Randomize Foil Order','randomize',
                     59: 				      ['yes','no'],$token).
                     60: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row()."\n";
                     61:     } elsif ($target eq 'modified') {
                     62: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                     63: 						     $safeeval,'max',
                     64: 						     'randomize');
                     65: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                     66:     }
                     67:     return $result;
                     68: }
                     69: 
                     70: sub end_rankresponse {
                     71:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     72:     my $result;
                     73:     if ($target eq 'edit') { $result=&Apache::edit::end_table(); }
                     74:     &Apache::response::end_response;
                     75:     pop @Apache::lonxml::namespace;
                     76:     &Apache::lonxml::deregister('Apache::rankresponse',
                     77: 				('foilgroup','foil','conceptgroup'));
                     78:     return $result;
                     79: }
                     80: 
                     81: %Apache::response::foilgroup=();
                     82: sub start_foilgroup {
                     83:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     84:     my $result;
                     85:     %Apache::response::foilgroup=();
                     86:     $Apache::rankresponse::conceptgroup=0;
                     87:     &Apache::response::setrandomnumber();
                     88:     return $result;
                     89: }
                     90: 
                     91: sub end_foilgroup {
                     92:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                     93:     my $result;
1.3       sakharuk   94:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel   95: 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
                     96: 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
                     97: 						   $safeeval,'-2');
                     98: 	my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
                     99: 	if (!defined($tol)) { $tol=0; }
1.3       sakharuk  100: 	if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  101: 	    $result=&displayfoils($target,$max,$randomize,$tol);
                    102: 	} elsif ($target eq 'answer' ) {
                    103: 	    $result=&displayanswers($max,$randomize,$tol);
                    104: 	} elsif ( $target eq 'grade') {
                    105: 	    &grade_response($max,$randomize,$tol);
                    106: 	}
1.23    ! sakharuk  107: 	if ($target ne 'answer') {&Apache::lonxml::increment_counter(&getfoilcounts($max));}
1.14      albertel  108:     } elsif ($target eq 'edit') {
                    109: 	$result=&Apache::edit::end_table();
1.1       albertel  110:     }
                    111:     return $result;
                    112: }
                    113: 
                    114: sub get_correct_order {
                    115:     my ($tol,@foils) =@_;
                    116:     my @correctorder;
                    117:     my @value_names;
                    118:     foreach my $name (@foils) {
                    119: 	my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
                    120: 	push(@value_names,\@pair);
                    121:     }
                    122:     @value_names =
                    123: 	sort {
1.17      albertel  124: 	    if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] <=> $b->[0]);}
1.1       albertel  125: 	    return 0;
                    126: 	} @value_names;
                    127:     my @value_names_tmp=@value_names;
                    128:     my $firstpair=shift(@value_names_tmp);
                    129:     my $order=1;
                    130:     my %order;
                    131:     my $count=1;
                    132:     my $lastvalue=$firstpair->[0];
                    133:     $order{$firstpair->[1]}=$order;
                    134:     foreach my $pair (@value_names_tmp) {
                    135: 	$count++;
                    136: 	if (abs($pair->[0]-$lastvalue) > $tol ) {
                    137: 	    $order=$count;
                    138: 	}
                    139: 	$order{$pair->[1]}=$order;
                    140: 	$lastvalue=$pair->[0];
                    141:     }
                    142:     foreach my $name (@foils) {
                    143: 	push(@correctorder,$order{$name});
                    144:     }
                    145:     &Apache::lonhomework::showhash('b' => \@value_names);
                    146:     &Apache::lonhomework::showhash('b' => \@correctorder);
                    147:     return @correctorder;
                    148: }
                    149: 
                    150: sub displayanswers {
                    151:     my ($max,$randomize,$tol,@opt)=@_;
                    152:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
                    153:     my @names = @{ $Apache::response::foilgroup{'names'} };
                    154:     my @whichfoils = &whichfoils($max,$randomize);
                    155:     my $result=&Apache::response::answer_header('rankresponse');
                    156:     my @correctorder=&get_correct_order($tol,@whichfoils);
                    157:     foreach my $order (@correctorder) {
                    158: 	$result.=&Apache::response::answer_part('rankresponse',$order);
                    159:     }
                    160:     $result.=&Apache::response::answer_footer('rankresponse');
                    161:     return $result;
                    162: }
                    163: 
                    164: sub check_response_order {
                    165:     my (%responsehash)=@_;
                    166:     my @order=sort(values(%responsehash));
                    167:     my $lastvalue=0;
                    168:     my $expected=1;
                    169:     my $malformed=0;
                    170:     foreach my $current (@order) {
                    171: 	&Apache::lonxml::debug("$lastvalue $expected $malformed");
                    172: 	if (!($current == $lastvalue || $current == $expected)) {
                    173: 	    $malformed=1;
                    174: 	}
                    175: 	$expected++;
                    176: 	$lastvalue=$current;
                    177:     }
                    178:     return $malformed;
                    179: }
                    180: 
                    181: sub grade_response {
                    182:     my ($max,$randomize,$tol)=@_;
                    183:     my (@whichfoils)=&whichfoils($max,$randomize);
                    184:     if (!defined($ENV{'form.submitted'})) { return; }
                    185:     my %responsehash;
                    186:     my %grade;
                    187:     my ($temp,$right,$wrong,$ignored)=(0,0,0,0);
                    188:     my @correctorder=&get_correct_order($tol,@whichfoils);
                    189:     foreach my $name (@whichfoils) {
1.22      albertel  190: 	my $response = &Apache::response::getresponse($temp);
1.1       albertel  191: 	$responsehash{$name}=$response;
                    192: 	my $value=shift(@correctorder);
                    193: 	if ( $response =~ /[^\s]/) {
                    194: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
                    195: 	    if ($value eq $response) {
                    196: 		$grade{$name}='1'; $right++;
                    197: 	    } else {
                    198: 		$grade{$name}='0'; $wrong++;
                    199: 	    }
                    200: 	} else {
                    201: 	    $ignored++;
                    202: 	}
                    203: 	$temp++;
                    204:     }
                    205:     my $malformed=&check_response_order(%responsehash);
                    206:     my $part=$Apache::inputtags::part;
                    207:     my $id = $Apache::inputtags::response['-1'];
                    208:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
                    209:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
                    210:     my %previous=&Apache::response::check_for_previous($responsestr,
                    211: 						       $part,$id);
                    212:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
                    213:     my $ad;
                    214:     if ($malformed) {
                    215: 	$ad='MISORDERED_RANK';
                    216:     } elsif ($wrong==0 && $ignored==0) {
                    217: 	$ad='EXACT_ANS';
                    218:     } elsif ($wrong==0 && $right==0) {
                    219: 	#nothing submitted
                    220:     } else {
                    221: 	if ($ignored==0) {
                    222: 	    $ad='INCORRECT';
                    223: 	} else {
                    224: 	    $ad='MISSING_ANSWER';
                    225: 	}
                    226:     }
                    227:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
                    228: 	$responsestr;
                    229:     $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
                    230:     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
                    231:     &Apache::response::handle_previous(\%previous,$ad);
                    232: }
                    233: 
                    234: sub displayfoils {
                    235:     my ($target,$max,$randomize,$tol)=@_;
                    236:     my $result;
1.4       sakharuk  237:     my @alphabet=('A'..'Z');
1.1       albertel  238:     my (@whichfoils)=&whichfoils($max,$randomize);
                    239:     my $part=$Apache::inputtags::part;
                    240:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
                    241:     my @whichopt=(1..($#whichfoils+1));
                    242:     my @correctorder=&get_correct_order($tol,@whichfoils);
1.20      sakharuk  243:     if ( &Apache::response::show_answer() && ($target ne 'tex')) {
1.1       albertel  244: 	foreach my $name (@whichfoils) {
                    245: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
                    246: 	    my $value=shift(@correctorder);
1.19      sakharuk  247: 	    if ($target eq 'web') {$result.='<br />';} else {$result.=' \strut\\\\\strut ';}
                    248: 	    $result.=$value.':'.$text;
1.1       albertel  249: 	}
                    250:     } else {
                    251: 	my $i = 0;
                    252: 	my $temp=0;
                    253: 	my $id=$Apache::inputtags::response[-1];
                    254: 	my $part=$Apache::inputtags::part;
                    255: 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
1.5       sakharuk  256: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse); 
                    257: 	my @alp = splice @alphabet, 0, $#whichopt + 1;
1.15      sakharuk  258: 	my $internal_counter=$Apache::lonxml::counter;
1.1       albertel  259: 	foreach my $name (@whichfoils) {
                    260: 	    my $lastopt=$lastresponse{$name};
1.3       sakharuk  261: 	    my $optionlist='';
                    262: 	    if ($target ne 'tex') {$optionlist="<option></option>\n";}
1.1       albertel  263: 	    my $option;
                    264: 	    foreach $option (@whichopt) {
                    265: 		if ($option eq $lastopt) {
1.3       sakharuk  266: 		    if ($target ne 'tex') {$optionlist.="<option selected=\"on\">$option</option>\n";}
1.1       albertel  267: 		} else {
1.3       sakharuk  268: 		    if ($target ne 'tex') {$optionlist.="<option>$option</option>\n";}
1.1       albertel  269: 		}
                    270: 	    }
1.12      sakharuk  271: 	    if ($target ne 'tex' && $Apache::lonhomework::type ne 'exam') {
1.3       sakharuk  272: 		$optionlist='<select name="HWVAL_'.
                    273: 		    $Apache::inputtags::response[-1].':'.$temp.'">'.
                    274: 		        $optionlist."</select>\n";
                    275: 	    } else {
                    276: 		$optionlist=' '.$temp.' '.$optionlist.' ';
                    277: 	    }
1.1       albertel  278: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
1.3       sakharuk  279: 	    if ($target ne 'tex') {
1.12      sakharuk  280: 		if ($Apache::lonhomework::type ne 'exam') {
                    281: 		    $result.='<br />'.$optionlist.$text."\n";
                    282: 		} else {
                    283: 		    $result.='<br />'.$text."\n";
                    284: 		}
1.4       sakharuk  285: 		if ($Apache::lonhomework::type eq 'exam') {
1.22      albertel  286: 		    my @values=(1..scalar(@whichopt));
                    287: 		    $result.=&Apache::optionresponse::webbubbles(\@values,\@whichopt,$temp,$lastopt);
1.4       sakharuk  288: 		}
                    289: 	    } else {
                    290: 		if ($Apache::lonhomework::type eq 'exam') {
1.9       sakharuk  291: 		    $result.='\vskip 0 mm   '.$text.' \vskip -3 mm '."\n";
1.15      sakharuk  292: 		    $result.='\vskip -5 mm\begin{enumerate}\item[\textbf{'.$internal_counter.'}.]\parbox{\textwidth - 5 mm}{'.&Apache::optionresponse::bubbles(\@alp,\@whichopt).'}\end{enumerate} \vskip -5 mm \strut ';
                    293: 		    $internal_counter++;
1.4       sakharuk  294: 		} else {
1.16      sakharuk  295: 		    $result.=' \vskip 0mm \framebox[5 mm][s]{\tiny\strut} '.$text."\n";
1.4       sakharuk  296: 		}
                    297: 	    }
1.1       albertel  298: 	    $temp++;
                    299: 	}
                    300:     }
1.5       sakharuk  301:     if ($target ne 'tex') {$result.="<br />";} else {$result.=' \vskip 0 mm ';}
1.1       albertel  302:     return $result;
                    303: }
                    304: 
                    305: sub getfoilcounts {
                    306:     my ($max)=@_;
                    307:     # +1 since instructors will count from 1
                    308:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
                    309:     if (&Apache::response::showallfoils()) { $max=$count; }
                    310:     if ($count>$max) { $count=$max } 
                    311:     &Apache::lonxml::debug("Count is $count from $max");
                    312:     return $count;
                    313: }
                    314: 
                    315: sub whichfoils {
                    316:     my ($max,$randomize)=@_;
1.13      albertel  317:     return &Apache::response::whichorder($max,$randomize,
                    318: 					 &Apache::response::showallfoils(),
                    319: 					 \%Apache::response::foilgroup);
1.1       albertel  320: }
                    321: 
                    322: sub start_conceptgroup {
                    323:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    324:     $Apache::rankresponse::conceptgroup=1;
                    325:     %Apache::response::conceptgroup=();
                    326:     my $result;
                    327:     if ($target eq 'edit') {
                    328: 	$result.=&Apache::edit::tag_start($target,$token,
                    329: 					  "Concept Grouped Foils");
                    330: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
                    331: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    332:     }
                    333:     if ($target eq 'modified') {
                    334: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    335: 						     $safeeval,'concept');
                    336: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    337:     }
                    338:     return $result;
                    339: }
                    340: 
                    341: sub end_conceptgroup {
                    342:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    343:     $Apache::rankresponse::conceptgroup=0;
                    344:     my $result='';
1.8       sakharuk  345:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  346: 	#if not there aren't any foils to display and thus no question
                    347: 	if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
                    348: 	    my @names = @{ $Apache::response::conceptgroup{'names'} };
                    349: 	    my $pick=int(&Math::Random::random_uniform() * ($#names+1));
                    350: 	    my $name=$names[$pick];
                    351: 	    push @{ $Apache::response::foilgroup{'names'} }, $name;
                    352: 	    $Apache::response::foilgroup{"$name.value"} =
                    353: 		$Apache::response::conceptgroup{"$name.value"};
                    354: 	    $Apache::response::foilgroup{"$name.text"} =
                    355: 		$Apache::response::conceptgroup{"$name.text"};
                    356: 	    $Apache::response::foilgroup{"$name.location"} =
                    357: 		$Apache::response::conceptgroup{"$name.location"};
                    358: 	    my $concept = &Apache::lonxml::get_param('concept',$parstack,
                    359: 						     $safeeval);
                    360: 	    $Apache::response::foilgroup{"$name.concept"} = $concept;
                    361: 	    &Apache::lonxml::debug("Selecting $name in $concept");
1.8       sakharuk  362: 	    if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  363: 		my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
                    364: 		push(@{ $Apache::hint::rank{"$part_id.concepts"} },
                    365: 		     $concept);
                    366: 		$Apache::hint::rank{"$part_id.concept.$concept"}=
                    367: 		    $Apache::response::conceptgroup{'names'};
                    368: 	    }
                    369: 	}
                    370:     } elsif ($target eq 'edit') {
                    371: 	$result=&Apache::edit::end_table();
                    372:     }
                    373:     return $result;
                    374: }
                    375: 
                    376: sub insert_conceptgroup {
                    377:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
                    378:     return $result;
                    379: }
                    380: 
                    381: sub start_foil {
                    382:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    383:     my $result='';
1.3       sakharuk  384:     if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  385: 	&Apache::lonxml::startredirection;
                    386:     } elsif ($target eq 'edit') {
                    387: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
                    388: 	my $level='-2';
                    389: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
                    390: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
                    391: 	$result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
                    392: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
                    393: 						 $safeeval,'-3');
                    394: 	if ($randomize ne 'no') {
                    395: 	    $result.=&Apache::edit::select_arg('Location:','location',
                    396: 					     ['random','top','bottom'],$token);
                    397: 	}
                    398: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
                    399:     } elsif ($target eq 'modified') {
                    400: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
                    401: 						     $safeeval,'value',
                    402: 						     'name','location');
                    403: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
                    404:     }
                    405:     return $result;
                    406: }
                    407: 
                    408: sub end_foil {
                    409:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
                    410:     my $text ='';
                    411:     my $result = '';
1.3       sakharuk  412:     if ($target eq 'web' || $target eq 'tex') {
1.1       albertel  413: 	$text=&Apache::lonxml::endredirection;
                    414:     }
1.3       sakharuk  415:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' || $target eq 'tex') {
1.1       albertel  416: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
                    417: 	if ($value ne 'unused') {
                    418: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
                    419: 	    my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
                    420: 	    &Apache::lonxml::debug("Got a name of :$name:");
                    421: 	    if (!$name) { $name=$Apache::lonxml::curdepth; }
                    422: 	    &Apache::lonxml::debug("Using a name of :$name:");
                    423: 	    if ( $Apache::rankresponse::conceptgroup
                    424: 		 && !&Apache::response::showallfoils() ) {
                    425: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
                    426: 		$Apache::response::conceptgroup{"$name.value"} = $value;
1.11      sakharuk  427: 		if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
1.9       sakharuk  428: 		    $Apache::response::conceptgroup{"$name.text"} = ' $\triangleright$ '.$text;
                    429: 		} else {
                    430: 		    $Apache::response::conceptgroup{"$name.text"} = $text;
                    431: 		}
1.1       albertel  432: 		$Apache::response::conceptgroup{"$name.location"} = $location;
                    433: 	    } else {
                    434: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
                    435: 		$Apache::response::foilgroup{"$name.value"} = $value;
1.10      albertel  436: 		if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
1.9       sakharuk  437: 		    $Apache::response::foilgroup{"$name.text"} = '\vskip 5 mm $\triangleright$ '.$text;
                    438: 		} else {
1.11      sakharuk  439: 		    if ($target eq 'tex' and $Apache::lonhomework::type eq 'exam') {
1.9       sakharuk  440: 			$Apache::response::foilgroup{"$name.text"} = ' $\triangleright$ '.$text;
                    441: 		    } else {
                    442: 			$Apache::response::foilgroup{"$name.text"} = $text;
                    443: 		    } 
                    444: 		}
1.1       albertel  445: 		$Apache::response::foilgroup{"$name.location"} = $location;
                    446: 	    }
                    447: 	}
                    448:     }
                    449:     if ($target eq 'edit') {
                    450: 	$result.= &Apache::edit::tag_end($target,$token,'');
                    451:     }
                    452:     return $result;
                    453: }
                    454: 
                    455: sub insert_foil {
                    456:     return '
                    457: <foil name="" value="unused">
                    458: <startouttext />
                    459: <endouttext />
                    460: </foil>';
                    461: }
                    462: 1;
                    463: __END__

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