Annotation of loncom/homework/rankresponse.pm, revision 1.1

1.1     ! albertel    1: # The LearningOnline Network with CAPA
        !             2: # rank style response
        !             3: #
        !             4: # $Id: radiobuttonresponse.pm,v 1.63 2003/01/07 22:13:07 albertel Exp $
        !             5: #
        !             6: # Copyright Michigan State University Board of Trustees
        !             7: #
        !             8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
        !             9: #
        !            10: # LON-CAPA is free software; you can redistribute it and/or modify
        !            11: # it under the terms of the GNU General Public License as published by
        !            12: # the Free Software Foundation; either version 2 of the License, or
        !            13: # (at your option) any later version.
        !            14: #
        !            15: # LON-CAPA is distributed in the hope that it will be useful,
        !            16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            18: # GNU General Public License for more details.
        !            19: #
        !            20: # You should have received a copy of the GNU General Public License
        !            21: # along with LON-CAPA; if not, write to the Free Software
        !            22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
        !            23: #
        !            24: # /home/httpd/html/adm/gpl.txt
        !            25: #
        !            26: # http://www.lon-capa.org/
        !            27: #
        !            28: # 2/21 Guy
        !            29: 
        !            30: package Apache::rankresponse;
        !            31: use strict;
        !            32: use HTML::Entities();
        !            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 $result;
        !            94:     if ($target eq 'grade' || $target eq 'web' || $target eq 'answer') {
        !            95: 	my $style = $Apache::lonhomework::type;
        !            96: 	my $name;
        !            97: 	my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2');
        !            98: 	my $randomize = &Apache::lonxml::get_param('randomize',$parstack,
        !            99: 						   $safeeval,'-2');
        !           100: 	my $tol = &Apache::lonxml::get_param('tol',$parstack,$safeeval,'-2');
        !           101: 	if (!defined($tol)) { $tol=0; }
        !           102: 	if ($target eq 'web') {
        !           103: 	    $result=&displayfoils($target,$max,$randomize,$tol);
        !           104: 	} elsif ($target eq 'answer' ) {
        !           105: 	    $result=&displayanswers($max,$randomize,$tol);
        !           106: 	} elsif ( $target eq 'grade') {
        !           107: 	    &grade_response($max,$randomize,$tol);
        !           108: 	}
        !           109:     }
        !           110:     return $result;
        !           111: }
        !           112: 
        !           113: sub get_correct_order {
        !           114:     my ($tol,@foils) =@_;
        !           115:     my @correctorder;
        !           116:     my @value_names;
        !           117:     foreach my $name (@foils) {
        !           118: 	my @pair=($Apache::response::foilgroup{$name.'.value'},$name);
        !           119: 	push(@value_names,\@pair);
        !           120:     }
        !           121:     @value_names =
        !           122: 	sort {
        !           123: 	    if (abs($a->[0] - $b->[0]) > $tol) {return ($a->[0] cmp $b->[0]);}
        !           124: 	    return 0;
        !           125: 	} @value_names;
        !           126:     my @value_names_tmp=@value_names;
        !           127:     my $firstpair=shift(@value_names_tmp);
        !           128:     my $order=1;
        !           129:     my %order;
        !           130:     my $count=1;
        !           131:     my $lastvalue=$firstpair->[0];
        !           132:     $order{$firstpair->[1]}=$order;
        !           133:     foreach my $pair (@value_names_tmp) {
        !           134: 	$count++;
        !           135: 	if (abs($pair->[0]-$lastvalue) > $tol ) {
        !           136: 	    $order=$count;
        !           137: 	}
        !           138: 	$order{$pair->[1]}=$order;
        !           139: 	$lastvalue=$pair->[0];
        !           140:     }
        !           141:     foreach my $name (@foils) {
        !           142: 	push(@correctorder,$order{$name});
        !           143:     }
        !           144:     &Apache::lonhomework::showhash('b' => \@value_names);
        !           145:     &Apache::lonhomework::showhash('b' => \@correctorder);
        !           146:     return @correctorder;
        !           147: }
        !           148: 
        !           149: sub displayanswers {
        !           150:     my ($max,$randomize,$tol,@opt)=@_;
        !           151:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
        !           152:     my @names = @{ $Apache::response::foilgroup{'names'} };
        !           153:     my @whichfoils = &whichfoils($max,$randomize);
        !           154:     my $result=&Apache::response::answer_header('rankresponse');
        !           155:     my @correctorder=&get_correct_order($tol,@whichfoils);
        !           156:     foreach my $order (@correctorder) {
        !           157: 	$result.=&Apache::response::answer_part('rankresponse',$order);
        !           158:     }
        !           159:     $result.=&Apache::response::answer_footer('rankresponse');
        !           160:     return $result;
        !           161: }
        !           162: 
        !           163: sub check_response_order {
        !           164:     my (%responsehash)=@_;
        !           165:     my @order=sort(values(%responsehash));
        !           166:     my $lastvalue=0;
        !           167:     my $expected=1;
        !           168:     my $malformed=0;
        !           169:     foreach my $current (@order) {
        !           170: 	&Apache::lonxml::debug("$lastvalue $expected $malformed");
        !           171: 	if (!($current == $lastvalue || $current == $expected)) {
        !           172: 	    $malformed=1;
        !           173: 	}
        !           174: 	$expected++;
        !           175: 	$lastvalue=$current;
        !           176:     }
        !           177:     return $malformed;
        !           178: }
        !           179: 
        !           180: sub grade_response {
        !           181:     my ($max,$randomize,$tol)=@_;
        !           182:     my (@whichfoils)=&whichfoils($max,$randomize);
        !           183:     if (!defined($ENV{'form.submitted'})) { return; }
        !           184:     my %responsehash;
        !           185:     my %grade;
        !           186:     my ($temp,$right,$wrong,$ignored)=(0,0,0,0);
        !           187:     my @correctorder=&get_correct_order($tol,@whichfoils);
        !           188:     foreach my $name (@whichfoils) {
        !           189: 	my $response = $ENV{'form.HWVAL_'.$Apache::inputtags::response['-1'].":$temp"};
        !           190: 	$responsehash{$name}=$response;
        !           191: 	my $value=shift(@correctorder);
        !           192: 	if ( $response =~ /[^\s]/) {
        !           193: 	    &Apache::lonxml::debug("submitted a $response for $value<br />\n");
        !           194: 	    if ($value eq $response) {
        !           195: 		$grade{$name}='1'; $right++;
        !           196: 	    } else {
        !           197: 		$grade{$name}='0'; $wrong++;
        !           198: 	    }
        !           199: 	} else {
        !           200: 	    $ignored++;
        !           201: 	}
        !           202: 	$temp++;
        !           203:     }
        !           204:     my $malformed=&check_response_order(%responsehash);
        !           205:     my $part=$Apache::inputtags::part;
        !           206:     my $id = $Apache::inputtags::response['-1'];
        !           207:     my $responsestr=&Apache::lonnet::hash2str(%responsehash);
        !           208:     my $gradestr   =&Apache::lonnet::hash2str(%grade);
        !           209:     my %previous=&Apache::response::check_for_previous($responsestr,
        !           210: 						       $part,$id);
        !           211:     &Apache::lonxml::debug("Got $right right and $wrong wrong, and $ignored were ignored and was $malformed malformed");
        !           212:     my $ad;
        !           213:     if ($malformed) {
        !           214: 	$ad='MISORDERED_RANK';
        !           215:     } elsif ($wrong==0 && $ignored==0) {
        !           216: 	$ad='EXACT_ANS';
        !           217:     } elsif ($wrong==0 && $right==0) {
        !           218: 	#nothing submitted
        !           219:     } else {
        !           220: 	if ($ignored==0) {
        !           221: 	    $ad='INCORRECT';
        !           222: 	} else {
        !           223: 	    $ad='MISSING_ANSWER';
        !           224: 	}
        !           225:     }
        !           226:     $Apache::lonhomework::results{"resource.$part.$id.submission"}=
        !           227: 	$responsestr;
        !           228:     $Apache::lonhomework::results{"resource.$part.$id.submissiongrading"}=$gradestr;
        !           229:     $Apache::lonhomework::results{"resource.$part.$id.awarddetail"}=$ad;
        !           230:     &Apache::response::handle_previous(\%previous,$ad);
        !           231: }
        !           232: 
        !           233: sub displayfoils {
        !           234:     my ($target,$max,$randomize,$tol)=@_;
        !           235:     my $result;
        !           236:     my (@whichfoils)=&whichfoils($max,$randomize);
        !           237:     my $part=$Apache::inputtags::part;
        !           238:     my $solved=$Apache::lonhomework::history{"resource.$part.solved"};
        !           239:     my $status=$Apache::inputtags::status[-1];
        !           240:     my @whichopt=(1..($#whichfoils+1));
        !           241:     my @correctorder=&get_correct_order($tol,@whichfoils);
        !           242:     if (($solved =~ /^correct/) || ($status eq  'SHOW_ANSWER')) {
        !           243: 	foreach my $name (@whichfoils) {
        !           244: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
        !           245: 	    my $value=shift(@correctorder);
        !           246: 	    $result.='<br />'.$value.':'.$text;
        !           247: 	}
        !           248:     } else {
        !           249: 	my $i = 0;
        !           250: 	my $temp=0;
        !           251: 	my $id=$Apache::inputtags::response[-1];
        !           252: 	my $part=$Apache::inputtags::part;
        !           253: 	my $lastresponse=$Apache::lonhomework::history{"resource.$part.$id.submission"};
        !           254: 	my %lastresponse=&Apache::lonnet::str2hash($lastresponse);
        !           255: 	foreach my $name (@whichfoils) {
        !           256: 	    my $lastopt=$lastresponse{$name};
        !           257: 	    my $optionlist="<option></option>\n";
        !           258: 	    my $option;
        !           259: 	    foreach $option (@whichopt) {
        !           260: 		if ($option eq $lastopt) {
        !           261: 		    $optionlist.="<option selected=\"on\">$option</option>\n";
        !           262: 		} else {
        !           263: 		    $optionlist.="<option>$option</option>\n";
        !           264: 		}
        !           265: 	    }
        !           266: 	    $optionlist='<select name="HWVAL_'.
        !           267: 		$Apache::inputtags::response[-1].':'.$temp.'">'.
        !           268: 		    $optionlist."</select>\n";
        !           269: 	    my $text=$Apache::response::foilgroup{$name.'.text'};
        !           270: 	    $result.='<br />'.$optionlist.$text."\n";
        !           271: 	    $temp++;
        !           272: 	}
        !           273:     }
        !           274:     $result.="<br />";
        !           275:     return $result;
        !           276: }
        !           277: 
        !           278: sub getfoilcounts {
        !           279:     my ($max)=@_;
        !           280:     # +1 since instructors will count from 1
        !           281:     my $count = $#{ $Apache::response::foilgroup{'names'} }+1;
        !           282:     if (&Apache::response::showallfoils()) { $max=$count; }
        !           283:     if ($count>$max) { $count=$max } 
        !           284:     &Apache::lonxml::debug("Count is $count from $max");
        !           285:     return $count;
        !           286: }
        !           287: 
        !           288: sub whichfoils {
        !           289:     my ($max,$randomize)=@_;
        !           290:     $max = &getfoilcounts($max);
        !           291:  #   &Apache::lonxml::debug("man $max randomize $randomize");
        !           292:     if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; }
        !           293:     my @names = @{ $Apache::response::foilgroup{'names'} };
        !           294:     my @whichopt =();
        !           295:     my (%top,@toplist,%bottom,@bottomlist);
        !           296:     if (!(&Apache::response::showallfoils() || ($randomize eq 'no'))) {
        !           297: 	my $current=0;
        !           298: 	foreach my $name (@names) {
        !           299: 	    $current++;
        !           300: 	    if ($Apache::response::foilgroup{"$name.location"} eq 'top') {
        !           301: 		$top{$name}=$current;
        !           302: 	    } elsif ($Apache::response::foilgroup{"$name.location"} eq
        !           303: 		     'bottom') {
        !           304: 		$bottom{$name}=$current;
        !           305: 	    }
        !           306: 	}
        !           307:     }
        !           308:     while ((($#whichopt+1) < $max) && ($#names > -1)) {
        !           309: #	&Apache::lonxml::debug("Have $#whichopt max is $max");
        !           310: 	my $aopt;
        !           311: 	if (&Apache::response::showallfoils() || ($randomize eq 'no')) {
        !           312: 	    $aopt=0;
        !           313: 	} else {
        !           314: 	    $aopt=int(&Math::Random::random_uniform() * ($#names+1));
        !           315: 	}
        !           316: #	&Apache::lonxml::debug("From $#whichopt $max $#names elms, picking $aopt");
        !           317: 	$aopt=splice(@names,$aopt,1);
        !           318: #	&Apache::lonxml::debug("Picked $aopt");
        !           319: 	if ($top{$aopt}) {
        !           320: 	    $toplist[$top{$aopt}]=$aopt;
        !           321: 	} elsif ($bottom{$aopt}) {
        !           322: 	    $bottomlist[$bottom{$aopt}]=$aopt;
        !           323: 	} else {
        !           324: 	    push (@whichopt,$aopt);
        !           325: 	}
        !           326:     }
        !           327: #    &Apache::lonxml::debug("Grr, ".$#whichopt.":".$#toplist.':'.$#bottomlist);
        !           328:     for (my $i=0;$i<=$#toplist;$i++) {
        !           329: 	if ($toplist[$i]) { unshift(@whichopt,$toplist[$i]) }
        !           330:     }
        !           331:     for (my $i=0;$i<=$#bottomlist;$i++) {
        !           332: 	if ($bottomlist[$i]) { push(@whichopt,$bottomlist[$i]) }
        !           333:     }
        !           334:     &Apache::lonxml::debug("Grr, ".$#whichopt.":".$#toplist.':'.$#bottomlist);
        !           335:     return @whichopt;
        !           336: }
        !           337: 
        !           338: sub start_conceptgroup {
        !           339:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !           340:     $Apache::rankresponse::conceptgroup=1;
        !           341:     %Apache::response::conceptgroup=();
        !           342:     my $result;
        !           343:     if ($target eq 'edit') {
        !           344: 	$result.=&Apache::edit::tag_start($target,$token,
        !           345: 					  "Concept Grouped Foils");
        !           346: 	$result.=&Apache::edit::text_arg('Concept:','concept',$token,'50').
        !           347: 	    &Apache::edit::end_row().&Apache::edit::start_spanning_row();
        !           348:     }
        !           349:     if ($target eq 'modified') {
        !           350: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
        !           351: 						     $safeeval,'concept');
        !           352: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
        !           353:     }
        !           354:     return $result;
        !           355: }
        !           356: 
        !           357: sub end_conceptgroup {
        !           358:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !           359:     $Apache::rankresponse::conceptgroup=0;
        !           360:     my $result='';
        !           361:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer' ) {
        !           362: 	#if not there aren't any foils to display and thus no question
        !           363: 	if (defined(@{ $Apache::response::conceptgroup{'names'} })) {
        !           364: 	    my @names = @{ $Apache::response::conceptgroup{'names'} };
        !           365: 	    my $pick=int(&Math::Random::random_uniform() * ($#names+1));
        !           366: 	    my $name=$names[$pick];
        !           367: 	    push @{ $Apache::response::foilgroup{'names'} }, $name;
        !           368: 	    $Apache::response::foilgroup{"$name.value"} =
        !           369: 		$Apache::response::conceptgroup{"$name.value"};
        !           370: 	    $Apache::response::foilgroup{"$name.text"} =
        !           371: 		$Apache::response::conceptgroup{"$name.text"};
        !           372: 	    $Apache::response::foilgroup{"$name.location"} =
        !           373: 		$Apache::response::conceptgroup{"$name.location"};
        !           374: 	    my $concept = &Apache::lonxml::get_param('concept',$parstack,
        !           375: 						     $safeeval);
        !           376: 	    $Apache::response::foilgroup{"$name.concept"} = $concept;
        !           377: 	    &Apache::lonxml::debug("Selecting $name in $concept");
        !           378: 	    if ($target eq 'web') {
        !           379: 		my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
        !           380: 		push(@{ $Apache::hint::rank{"$part_id.concepts"} },
        !           381: 		     $concept);
        !           382: 		$Apache::hint::rank{"$part_id.concept.$concept"}=
        !           383: 		    $Apache::response::conceptgroup{'names'};
        !           384: 	    }
        !           385: 	}
        !           386:     } elsif ($target eq 'edit') {
        !           387: 	$result=&Apache::edit::end_table();
        !           388:     }
        !           389:     return $result;
        !           390: }
        !           391: 
        !           392: sub insert_conceptgroup {
        !           393:     my $result="\n\t\t<conceptgroup concept=\"\">".&insert_foil()."\n\t\t</conceptgroup>\n";
        !           394:     return $result;
        !           395: }
        !           396: 
        !           397: sub start_foil {
        !           398:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !           399:     my $result='';
        !           400:     if ($target eq 'web' ) {
        !           401: 	&Apache::lonxml::startredirection;
        !           402:     } elsif ($target eq 'edit') {
        !           403: 	$result=&Apache::edit::tag_start($target,$token,"Foil");
        !           404: 	my $level='-2';
        !           405: 	if ($$tagstack[-2] eq 'conceptgroup') { $level = '-3'; }
        !           406: 	$result.=&Apache::edit::text_arg('Name:','name',$token);
        !           407: 	$result.= &Apache::edit::text_arg('Rank Value:','value',$token,'15');
        !           408: 	my $randomize=&Apache::lonxml::get_param('randomize',$parstack,
        !           409: 						 $safeeval,'-3');
        !           410: 	if ($randomize ne 'no') {
        !           411: 	    $result.=&Apache::edit::select_arg('Location:','location',
        !           412: 					     ['random','top','bottom'],$token);
        !           413: 	}
        !           414: 	$result .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
        !           415:     } elsif ($target eq 'modified') {
        !           416: 	my $constructtag=&Apache::edit::get_new_args($token,$parstack,
        !           417: 						     $safeeval,'value',
        !           418: 						     'name','location');
        !           419: 	if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
        !           420:     }
        !           421:     return $result;
        !           422: }
        !           423: 
        !           424: sub end_foil {
        !           425:     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
        !           426:     my $text ='';
        !           427:     my $result = '';
        !           428:     if ($target eq 'web') {
        !           429: 	$text=&Apache::lonxml::endredirection;
        !           430:     }
        !           431:     if ($target eq 'web' || $target eq 'grade' || $target eq 'answer') {
        !           432: 	my $value = &Apache::lonxml::get_param('value',$parstack,$safeeval);
        !           433: 	if ($value ne 'unused') {
        !           434: 	    my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval);
        !           435: 	    my $location =&Apache::lonxml::get_param('location',$parstack,$safeeval);
        !           436: 	    &Apache::lonxml::debug("Got a name of :$name:");
        !           437: 	    if (!$name) { $name=$Apache::lonxml::curdepth; }
        !           438: 	    &Apache::lonxml::debug("Using a name of :$name:");
        !           439: 	    if ( $Apache::rankresponse::conceptgroup
        !           440: 		 && !&Apache::response::showallfoils() ) {
        !           441: 		push @{ $Apache::response::conceptgroup{'names'} }, $name;
        !           442: 		$Apache::response::conceptgroup{"$name.value"} = $value;
        !           443: 		$Apache::response::conceptgroup{"$name.text"} = $text;
        !           444: 		$Apache::response::conceptgroup{"$name.location"} = $location;
        !           445: 	    } else {
        !           446: 		push @{ $Apache::response::foilgroup{'names'} }, $name;
        !           447: 		$Apache::response::foilgroup{"$name.value"} = $value;
        !           448: 		$Apache::response::foilgroup{"$name.text"} = $text;
        !           449: 		$Apache::response::foilgroup{"$name.location"} = $location;
        !           450: 	    }
        !           451: 	}
        !           452:     }
        !           453:     if ($target eq 'edit') {
        !           454: 	$result.= &Apache::edit::tag_end($target,$token,'');
        !           455:     }
        !           456:     return $result;
        !           457: }
        !           458: 
        !           459: sub insert_foil {
        !           460:     return '
        !           461: <foil name="" value="unused">
        !           462: <startouttext />
        !           463: <endouttext />
        !           464: </foil>';
        !           465: }
        !           466: 1;
        !           467: __END__

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