Annotation of loncom/homework/inputtags.pm, revision 1.79
1.43 albertel 1: # The LearningOnline Network with CAPA
2: # input definitons
1.47 albertel 3: #
1.79 ! albertel 4: # $Id: inputtags.pm,v 1.78 2003/01/13 21:22:43 sakharuk Exp $
1.47 albertel 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: #
1.43 albertel 28: # 2/19 Guy
1.1 albertel 29:
30: package Apache::inputtags;
1.55 albertel 31: use HTML::Entities();
1.1 albertel 32: use strict;
33:
1.50 harris41 34: BEGIN {
1.65 bowersj2 35: &Apache::lonxml::register('Apache::inputtags',('textfield','textline'));
1.1 albertel 36: }
37:
1.43 albertel 38:
1.1 albertel 39: sub initialize_inputtags {
1.43 albertel 40: # list of current input ids
41: @Apache::inputtags::input=();
42: # list of all input ids seen in this problem
43: @Apache::inputtags::inputlist=();
44: # list of all current response ids
45: @Apache::inputtags::response=();
46: # list of all response ids seen in this problem
47: @Apache::inputtags::responselist=();
48: # list of whether or not a specific response was previously used
49: @Apache::inputtags::previous=();
1.75 albertel 50: # submission it was used in
51: @Apache::inputtags::previous_version=();
1.43 albertel 52: # id of current part, 0 means that no part is current (inside <problem> only
53: $Apache::inputtags::part='';
1.46 albertel 54: # list of problem date statuses, the first element is for <problem>
55: # if there is a second element it is for the current <part>
1.43 albertel 56: @Apache::inputtags::status=();
1.46 albertel 57: # hash of defined params for the current response
1.43 albertel 58: %Apache::inputtags::params=();
1.46 albertel 59: # list of all ids, for <import>, these get join()ed and prepended
60: @Apache::inputtags::import=();
1.1 albertel 61: }
62:
1.14 albertel 63: sub start_input {
1.43 albertel 64: my ($parstack,$safeeval)=@_;
65: my $id = &Apache::lonxml::get_param('id',$parstack,$safeeval);
66: if ($id eq '') { $id = $Apache::lonxml::curdepth; }
67: push (@Apache::inputtags::input,$id);
68: push (@Apache::inputtags::inputlist,$id);
69: return $id;
1.14 albertel 70: }
71:
72: sub end_input {
1.43 albertel 73: pop @Apache::inputtags::input;
74: return '';
1.14 albertel 75: }
76:
1.48 albertel 77: sub start_textfield {
1.43 albertel 78: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
79: my $result = "";
80: my $id = &start_input($parstack,$safeeval);
1.55 albertel 81: my $resid=$Apache::inputtags::response[-1];
1.43 albertel 82: if ($target eq 'web') {
1.57 albertel 83: $Apache::lonxml::evaluate--;
1.45 albertel 84: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.61 albertel 85: my $partid=$Apache::inputtags::part;
86: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$resid.submission"});
87: my $cols = &Apache::lonxml::get_param('cols',$parstack,$safeeval);
88: if ( $cols eq '') { $cols = 80; }
89: my $rows = &Apache::lonxml::get_param('rows',$parstack,$safeeval);
90: if ( $rows eq '') { $rows = 10; }
91: $result= '<textarea name="HWVAL'.$resid.'" '.
92: "rows=\"$rows\" cols=\"$cols\">".$oldresponse;
93: if ($oldresponse ne '') {
94: #get rid of any startup text if the user has already responded
95: &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
96: }
1.45 albertel 97: } else {
1.61 albertel 98: #right or wrong don't show it
99: #$result='<table border="1"><tr><td><i>'.$oldresponse.'</i></td></tr></table>';
100: $result='';
101: #get rid of any startup text
102: &Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.51 albertel 103: }
1.60 albertel 104: } elsif ($target eq 'grade') {
1.51 albertel 105: my $seedtext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.55 albertel 106: if ($seedtext eq $ENV{'form.HWVAL'.$resid}) {
1.51 albertel 107: # if the seed text is still there it wasn't a real submission
1.55 albertel 108: $ENV{'form.HWVAL'.$resid}='';
1.30 albertel 109: }
1.60 albertel 110: } elsif ($target eq 'edit') {
111: $result.=&Apache::edit::tag_start($target,$token);
112: $result.=&Apache::edit::text_arg('Rows:','rows',$token,4);
113: $result.=&Apache::edit::text_arg('Columns:','cols',$token,4);
114: my $bodytext=&Apache::lonxml::get_all_text("/textfield",$$parser[-1]);
1.62 albertel 115: $result.=&Apache::edit::editfield($token->[1],$bodytext,'Text you want to appear by default:',80,2);
1.60 albertel 116: } elsif ($target eq 'modified') {
117: my $constructtag=&Apache::edit::get_new_args($token,$parstack,
118: $safeeval,'rows','cols');
119: if ($constructtag) {
120: $result = &Apache::edit::rebuild_tag($token);
121: } else {
122: $result=$token->[4];
123: }
124: $result.=&Apache::edit::modifiedfield();
1.78 sakharuk 125: } elsif ($target eq 'tex') {
126: if ($$tagstack[-2] eq 'essayresponse' and $Apache::lonhomework::type eq 'exam') {
127: my $number_of_lines= &Apache::lonxml::get_param('rows',$parstack,$safeeval);
128: $result = '\fbox{\fbox{\parbox{\textwidth-5mm}{';
129: for (my $i=0;$i<int $number_of_lines*2;$i++) {$result.='\strut \\\\ ';}
130: $result.='\strut \\\\\strut \\\\\strut \\\\\strut \\\\}}}';
131: }
1.43 albertel 132: }
133: return $result;
1.6 albertel 134: }
135:
1.48 albertel 136: sub end_textfield {
1.43 albertel 137: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.60 albertel 138: my $result;
1.43 albertel 139: if ($target eq 'web') {
1.57 albertel 140: $Apache::lonxml::evaluate++;
1.45 albertel 141: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
142: return "</textarea>";
143: }
1.60 albertel 144: } elsif ($target eq 'edit') {
145: $result=&Apache::edit::end_table();
1.45 albertel 146: }
1.43 albertel 147: &end_input;
1.60 albertel 148: return $result;
1.6 albertel 149: }
150:
1.1 albertel 151: sub start_textline {
1.43 albertel 152: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
153: my $result = "";
154: if ($target eq 'web') {
1.57 albertel 155: $Apache::lonxml::evaluate--;
1.45 albertel 156: if ($Apache::inputtags::status[-1] eq 'CAN_ANSWER') {
1.61 albertel 157: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
1.72 albertel 158: my $maxlength;
159: if ($size eq '') { $size=20; } else {
160: if ($size < 20) { $maxlength=$size; }
161: }
1.61 albertel 162: my $partid=$Apache::inputtags::part;
163: my $id=$Apache::inputtags::response[-1];
164: my $oldresponse = &HTML::Entities::encode($Apache::lonhomework::history{"resource.$partid.$id.submission"});
1.73 sakharuk 165: if ($Apache::lonhomework::type ne 'exam') {
166: $result= '<input type="text" name="HWVAL'.$id.'" value="'.
167: $oldresponse.'" size="'.$size.'" maxlength="'.$maxlength.'" />';
168: }
1.45 albertel 169: } else {
1.61 albertel 170: #right or wrong don't show what was last typed in.
171: #$result='<i>'.$oldresponse.'</i>';
172: $result='';
1.45 albertel 173: }
1.44 albertel 174: } elsif ($target eq 'edit') {
1.49 matthew 175: $result=&Apache::edit::tag_start($target,$token);
1.43 albertel 176: $result.=&Apache::edit::text_arg('Size:','size',$token,'5')."</td></tr>";
177: $result.=&Apache::edit::end_table;
1.44 albertel 178: } elsif ($target eq 'modified') {
1.43 albertel 179: my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval,'size');
180: if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); }
1.78 sakharuk 181: } elsif ($target eq 'tex' and $Apache::lonhomework::type ne 'exam') {
1.76 sakharuk 182: my $size = &Apache::lonxml::get_param('size',$parstack,$safeeval);
183: if ($size != 0) {$size=$size*2; $size.=' mm';} else {$size='40 mm';}
184: $result='\framebox['.$size.'][s]{\tiny\strut}';
1.43 albertel 185: }
186: return $result;
1.1 albertel 187: }
188:
189: sub end_textline {
1.43 albertel 190: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1.57 albertel 191: if ($target eq 'web') { $Apache::lonxml::evaluate++; }
192: elsif ($target eq 'edit') { return ('','no'); }
1.43 albertel 193: return "";
1.9 albertel 194: }
195:
196: sub finalizeawards {
1.43 albertel 197: my $result='';
198: my $award;
199: if ($#_ == '-1') { $result = "NO_RESPONSE"; }
200: if ($result eq '' ) {
1.54 albertel 201: my $blankcount;
202: foreach $award (@_) {
203: if ($award eq '') {
204: $result='MISSING_ANSWER';
205: $blankcount++;
206: }
207: }
208: if ($blankcount == ($#_ + 1)) { $result = 'NO_RESPONSE'; }
1.56 albertel 209: }
210: if ($result eq '' ) {
211: foreach $award (@_) { if ($award eq 'MISSING_ANSWER') {$result='MISSING_ANSWER'; last;}}
1.43 albertel 212: }
213: if ($result eq '' ) {
214: foreach $award (@_) { if ($award eq 'ERROR') {$result='ERROR'; last;}}
215: }
216: if ($result eq '' ) {
217: foreach $award (@_) { if ($award eq 'NO_RESPONSE') {$result='NO_RESPONSE'; last;} }
218: }
219:
220: if ($result eq '' ) {
221: foreach $award (@_) {
222: if ($award eq 'UNIT_FAIL' ||
223: $award eq 'NO_UNIT' ||
224: $award eq 'UNIT_NOTNEEDED') {
225: $result=$award; last;
226: }
227: }
228: }
229: if ($result eq '' ) {
230: foreach $award (@_) {
231: if ($award eq 'WANTED_NUMERIC' ||
232: $award eq 'BAD_FORMULA') {$result=$award; last;}
233: }
234: }
235: if ($result eq '' ) {
236: foreach $award (@_) { if ($award eq 'SIG_FAIL') {$result=$award; last;} }
237: }
238: if ($result eq '' ) {
239: foreach $award (@_) { if ($award eq 'INCORRECT') {$result=$award; last;} }
240: }
241: if ($result eq '' ) {
1.79 ! albertel 242: foreach $award (@_) { if ($award eq 'MISORDERED_RANK') {$result=$award; last;} }
! 243: }
! 244: if ($result eq '' ) {
1.59 ng 245: foreach $award (@_) { if ($award eq 'DRAFT') {$result=$award; last;} }
246: }
247: if ($result eq '' ) {
1.43 albertel 248: foreach $award (@_) { if ($award eq 'SUBMITTED') {$result=$award; last;} }
249: }
250: if ($result eq '' ) {
251: foreach $award (@_) { if ($award eq 'APPROX_ANS') {$result=$award; last;} }
252: }
253: if ($result eq '' ) { $result='EXACT_ANS'; }
254: return $result
1.9 albertel 255: }
256:
1.10 albertel 257: sub decideoutput {
1.68 sakharuk 258: my ($award,$solved,$previous,$target)=@_;
1.43 albertel 259: my $message='';
260: my $button=0;
261: my $previousmsg;
262:
263: if ($previous) { $previousmsg='You have entered that answer before'; }
264:
265: if ($solved =~ /^correct/) {
1.68 sakharuk 266: if ($target eq 'tex') {
267: $message = '\textbf{You are correct}. Your receipt is '.
1.43 albertel 268: &Apache::lonnet::receipt;
1.68 sakharuk 269: } else {
270: $message = "<b>You are correct.</b> Your receipt is ".
271: &Apache::lonnet::receipt;
272: }
1.43 albertel 273: $button=0;
274: $previousmsg='';
275: } elsif ($solved =~ /^excused/) {
276: $message = "<b>You are excused from the problem.</b>";
277: $button=0;
278: $previousmsg='';
279: } elsif ($award eq 'EXACT_ANS' || $award eq 'APPROX_ANS' ) {
280: if ($solved =~ /^incorrect/ || $solved eq '') {
281: $message = "Incorrect";
282: $button=1;
1.37 albertel 283: } else {
1.43 albertel 284: $message = "<b>You are correct.</b> Your receipt is ".
285: &Apache::lonnet::receipt;
286: $button=0;
287: $previousmsg='';
288: }
289: } elsif ($award eq 'NO_RESPONSE') {
290: $message = '';
291: $button=1;
292: } elsif ($award eq 'MISSING_ANSWER') {
293: $message = 'Some parts were not submitted';
294: $button = 1;
295: } elsif ($award eq 'WANTED_NUMERIC') {
296: $message = "This question expects a numeric answer";
1.79 ! albertel 297: $button=1;
! 298: } elsif ($award eq 'MISORDERED_RANK') {
! 299: $message = 'You have provided an invalid ranking, look '.
! 300: '<a href="/adm/pages/misordered_rank.html">here</a> for more information.';
1.43 albertel 301: $button=1;
302: } elsif ($award eq 'SIG_FAIL') {
303: $message = "Please adjust significant figures.";# you provided %s significant figures";
304: $button=1;
305: } elsif ($award eq 'UNIT_FAIL') {
306: $message = "Units incorrect."; #Computer reads units as %s";
307: $button=1;
308: } elsif ($award eq 'UNIT_NOTNEEDED') {
309: $message = "Only a number required.";# Computer reads units of %s";
310: $button=1;
311: } elsif ($award eq 'NO_UNIT') {
312: $message = "Units required";
313: $button=1;
314: } elsif ($award eq 'BAD_FORMULA') {
315: $message = "Unable to understand formula";
316: $button=1;
317: } elsif ($award eq 'INCORRECT') {
318: $message = "Incorrect";
319: $button=1;
320: } elsif ($award eq 'SUBMITTED') {
321: $message = "Your submission has been recorded.";
322: $button=1;
1.59 ng 323: } elsif ($award eq 'DRAFT') {
324: $message = "A draft copy has been saved.";
325: $button=1;
1.43 albertel 326: } else {
327: $message = "Unknown message: $award";
328: $button=1;
329: }
330: return ($button,$message,$previousmsg);
1.12 albertel 331: }
332:
333: sub setgradedata {
1.43 albertel 334: my ($award,$id,$previously_used) = @_;
335: # if the student already has it correct, don't modify the status
1.71 albertel 336: if ($Apache::inputtags::status['-1'] ne 'CAN_ANSWER' &&
337: $Apache::inputtags::status['-1'] ne 'CANNOT_ANSWER') {
1.53 albertel 338: $Apache::lonhomework::results{"resource.$id.afterduedate"}=$award;
339: return '';
340: } elsif ( $Apache::lonhomework::history{"resource.$id.solved"} !~
1.43 albertel 341: /^correct/ ) {
342: #handle assignment of tries and solved status
1.53 albertel 343: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
344: $Apache::lonhomework::results{"resource.$id.afterduedate"}='';
345: }
1.43 albertel 346: if ( $award eq 'APPROX_ANS' || $award eq 'EXACT_ANS' ) {
347: $Apache::lonhomework::results{"resource.$id.tries"} =
348: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
349: $Apache::lonhomework::results{"resource.$id.solved"} =
350: 'correct_by_student';
351: $Apache::lonhomework::results{"resource.$id.awarded"} = '1';
352: } elsif ( $award eq 'INCORRECT' ) {
353: $Apache::lonhomework::results{"resource.$id.tries"} =
354: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
355: $Apache::lonhomework::results{"resource.$id.solved"} =
1.59 ng 356: 'incorrect_attempted'
1.43 albertel 357: } elsif ( $award eq 'SUBMITTED' ) {
358: $Apache::lonhomework::results{"resource.$id.tries"} =
359: $Apache::lonhomework::history{"resource.$id.tries"} + 1;
360: $Apache::lonhomework::results{"resource.$id.solved"} =
361: 'ungraded_attempted';
1.59 ng 362: } elsif ( $award eq 'DRAFT' ) {
363: $Apache::lonhomework::results{"resource.$id.solved"} = '';
1.43 albertel 364: } elsif ( $award eq 'NO_RESPONSE' ) {
365: return '';
366: } else {
367: $Apache::lonhomework::results{"resource.$id.solved"} =
368: 'incorrect_attempted';
369: }
370:
371: # check if this was a previous submission if it was delete the
372: # unneeded data and update the previously_used attribute
373: if ( $previously_used eq 'PREVIOUSLY_USED') {
374: delete($Apache::lonhomework::results{"resource.$id.tries"});
375: $Apache::lonhomework::results{"resource.$id.previous"} = '1';
376: } elsif ( $previously_used eq 'PREVIOUSLY_LAST') {
1.58 ng 377: #delete all data as they student didn't do anything, but save
378: #the list of collaborators.
1.43 albertel 379: foreach my $key (keys(%Apache::lonhomework::results)) {
1.58 ng 380: if (($key =~ /^resource\.$id\./) && ($key !~ /\.collaborators$/)) {
1.43 albertel 381: &Apache::lonxml::debug("Removing $key");
1.63 sakharuk 382: delete($Apache::lonhomework::results{$key});
1.43 albertel 383: }
384: }
385: #and since they didn't do anything we were never here
386: return '';
387: } else {
388: $Apache::lonhomework::results{"resource.$id.previous"} = '0';
1.40 albertel 389: }
1.43 albertel 390: }
391: $Apache::lonhomework::results{"resource.$id.award"} = $award;
1.10 albertel 392: }
393:
1.9 albertel 394: sub grade {
1.43 albertel 395: my ($target) = @_;
396: my $id = $Apache::inputtags::part;
397: my $response='';
398: if ( defined $ENV{'form.submitted'}) {
399: my @awards = ();
400: foreach $response (@Apache::inputtags::responselist) {
401: &Apache::lonxml::debug("looking for response.$id.$response.awarddetail");
402: my $value=$Apache::lonhomework::results{"resource.$id.$response.awarddetail"};
1.54 albertel 403: &Apache::lonxml::debug("keeping $value from $response for $id");
404: push (@awards,$value);
1.43 albertel 405: }
406: my $finalaward = &finalizeawards(@awards);
407: my $previously_used;
408: if ( $#Apache::inputtags::previous eq $#awards ) {
1.75 albertel 409: my $match=0;
410: my @matches;
411: foreach my $versionar (@Apache::inputtags::previous_version) {
412: foreach my $version (@$versionar) {
413: $matches[$version]++;
414: }
415: }
416: foreach my $elem (@matches) {if ($elem eq ($#awards+1)) {$match=1;}}
417: if ($match) {
418: $previously_used = 'PREVIOUSLY_LAST';
419: foreach my $value (@Apache::inputtags::previous) {
420: if ($value eq 'PREVIOUSLY_USED' ) {
421: $previously_used = $value;
422: last;
423: }
424: }
1.43 albertel 425: }
426: }
427: &Apache::lonxml::debug("final award $finalaward, $previously_used");
428: &setgradedata($finalaward,$id,$previously_used);
429: }
430: return '';
1.1 albertel 431: }
432:
1.11 albertel 433: sub gradestatus {
1.63 sakharuk 434: my ($id,$target) = @_;
1.43 albertel 435: my $showbutton = 1;
436: my $message = '';
1.53 albertel 437: my $latemessage = '';
1.43 albertel 438: my $trystr='';
439: my $button='';
440: my $previousmsg='';
441:
442: my $status = $Apache::inputtags::status['-1'];
443: &Apache::lonxml::debug("gradestatus has :$status:");
1.77 albertel 444: if ( $status ne 'CLOSED' && $status ne 'UNAVAILABLE') {
1.43 albertel 445: my $award = $Apache::lonhomework::history{"resource.$id.award"};
446: my $solved = $Apache::lonhomework::history{"resource.$id.solved"};
447: my $previous = $Apache::lonhomework::history{"resource.$id.previous"};
448: &Apache::lonxml::debug("Found Award |$award|$solved|");
449: if ( $award ne '' ) {
450: &Apache::lonxml::debug('Getting message');
451: ($showbutton,$message,$previousmsg) =
1.68 sakharuk 452: &decideoutput($award,$solved,$previous,$target);
1.63 sakharuk 453: if ($target eq 'tex') {
454: $message=' '.$message.' ';
455: } else {
456: $message="<td bgcolor=\"#aaffaa\">$message</td>";
457: if ($previousmsg) {
458: $previousmsg="<td bgcolor=\"#ffaaaa\">$previousmsg</td>";
459: }
1.43 albertel 460: }
461: }
462: my $tries = $Apache::lonhomework::history{"resource.$id.tries"};
463: my $maxtries = &Apache::lonnet::EXT("resource.$id.maxtries");
464: &Apache::lonxml::debug("got maxtries of :$maxtries:");
465: if ( $tries eq '' ) { $tries = '0'; }
466: if ( $maxtries eq '' ) { $maxtries = '2'; }
467: if ( $maxtries eq 'con_lost' ) { $maxtries = '0'; }
468: if ( $showbutton ) {
1.63 sakharuk 469: if ($target eq 'tex') {
1.69 sakharuk 470: if ($ENV{'request.state'} ne "construct") {
1.70 sakharuk 471: $trystr = ' {\small \textit{Tries} '.$tries.'/'.$maxtries.'} \vskip 0 mm ';
1.67 sakharuk 472: }
1.63 sakharuk 473: } else {
474: $trystr = "<td>Tries $tries/$maxtries</td>";
475: }
1.43 albertel 476: }
477: if ( $status eq 'SHOW_ANSWER' || $status eq 'CANNOT_ANSWER') {$showbutton = 0;}
478: if ( $showbutton ) {
1.63 sakharuk 479: if ($target ne 'tex') {
480: $button = '<br /><input type="submit" name="submit" value="Submit Answer" />';
481: }
1.43 albertel 482: }
1.53 albertel 483: if ($Apache::lonhomework::history{"resource.$id.afterduedate"}) {
484: #last submissions was after due date
1.63 sakharuk 485: if ($target eq 'tex') {
486: $latemessage=' The last submission was after the Due Date ';
487: } else {
488: $latemessage="<td bgcolor=\"#ffaaaa\">The last submission was after the Due Date</td>";
489: }
1.53 albertel 490: }
1.43 albertel 491: }
1.53 albertel 492: my $output= $previousmsg.$latemessage.$message.$trystr;
1.43 albertel 493: if ($output =~ /^\s*$/) {
494: return $button;
495: } else {
1.63 sakharuk 496: if ($target eq 'tex') {
497: return $button.' \vskip 0 mm '.$output.' ';
498: } else {
499: return $button.'<table><tr>'.$output.'</tr></table>';
500: }
1.43 albertel 501: }
1.11 albertel 502: }
1.1 albertel 503: 1;
504: __END__
1.43 albertel 505:
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