Annotation of loncom/homework/caparesponse/caparesponse.pm, revision 1.96
1.3 albertel 1: # The LearningOnline Network with CAPA
2: # caparesponse definition
1.47 albertel 3: #
1.96 ! albertel 4: # $Id: caparesponse.pm,v 1.95 2003/04/21 20:59:02 albertel 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: #
1.3 albertel 28:
29: package Apache::caparesponse;
30: use strict;
1.4 albertel 31: use capa;
1.3 albertel 32:
1.50 harris41 33: BEGIN {
1.89 albertel 34: &Apache::lonxml::register('Apache::caparesponse',('caparesponse','numericalresponse','stringresponse','formularesponse'));
1.3 albertel 35: }
36:
1.89 albertel 37: sub start_numericalresponse {
38: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
39: my $id = &Apache::response::start_response($parstack,$safeeval);
40: my $result;
41: if ($target eq 'edit') {
42: $result.=&Apache::edit::tag_start($target,$token);
43: $result.=&Apache::edit::text_arg('Answer:','answer',$token);
44: if ($token->[1] eq 'numericalresponse') {
45: $result.=&Apache::edit::text_arg('Unit:','unit',$token,5).
46: &Apache::loncommon::help_open_topic('Physical_Units');
47: $result.=&Apache::edit::text_arg('Format:','format',$token,4).
48: &Apache::loncommon::help_open_topic('Numerical_Response_Format');
49: } elsif ($token->[1] eq 'stringresponse') {
50: $result.=&Apache::edit::select_arg('Type:','type',
51: [['cs','Case Sensitive'],['ci','Case Insensitive'],
52: ['mc','Case Insensitive, Any Order']],$token);
53: } elsif ($token->[1] eq 'formularesponse') {
54: $result.=&Apache::edit::text_arg('Sample Points:','samples',
55: $token,40).
56: &Apache::loncommon::help_open_topic('Formula_Response_Sampling');
57: }
58: $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
59: } elsif ($target eq 'modified') {
60: my $constructtag;
61: if ($token->[1] eq 'numericalresponse') {
62: $constructtag=&Apache::edit::get_new_args($token,$parstack,
63: $safeeval,'answer',
64: 'unit','format');
65: } elsif ($token->[1] eq 'stringresponse') {
66: $constructtag=&Apache::edit::get_new_args($token,$parstack,
67: $safeeval,'answer',
68: 'type');
69: } elsif ($token->[1] eq 'formularesponse') {
70: $constructtag=&Apache::edit::get_new_args($token,$parstack,
71: $safeeval,'answer',
72: 'samples');
73: }
74: if ($constructtag) {
75: $result = &Apache::edit::rebuild_tag($token);
76: $result.=&Apache::edit::handle_insert();
1.22 albertel 77: }
1.89 albertel 78: } elsif ($target eq 'meta') {
79: $result=&Apache::response::meta_package_write('numericalresponse');
80: } elsif ($target eq 'answer' || $target eq 'grade') {
81: &Apache::response::reset_params();
1.96 ! albertel 82: } elsif ($target eq 'web') {
! 83: my $partid = $Apache::inputtags::part;
! 84: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
! 85: &Apache::lonxml::debug("Got unit $hideunit for $partid $id");
! 86: #no way to enter units, with radio buttons
! 87: if (lc($hideunit) eq "yes") {
! 88: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
! 89: $safeeval);
! 90: if ($unit =~ /\S/) { $result.=" (in $unit) "; }
! 91: }
1.16 albertel 92: }
1.89 albertel 93: return $result;
1.21 albertel 94: }
95:
1.89 albertel 96: sub end_numericalresponse {
97: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
1.90 albertel 98: my $increment=1;
1.89 albertel 99: my $result = '';
100: if (!$Apache::lonxml::default_homework_loaded) {
101: &Apache::lonxml::default_homework_load($safeeval);
1.34 albertel 102: }
1.95 albertel 103: if ( $target eq 'grade' && defined($ENV{'form.submitted'})) {
1.90 albertel 104: &Apache::response::setup_params($$tagstack[-1]);
105: $safeeval->share_from('capa',['&caparesponse_capa_check_answer']);
106: my $partid = $Apache::inputtags::part;
107: my $id = $Apache::inputtags::response['-1'];
1.95 albertel 108: if ($Apache::lonhomework::type eq 'exam' &&
109: ($$tagstack[-1] eq 'formularesponse' ||
110: $$tagstack[-1] eq 'stringresponse')) {
111: $increment=&Apache::response::scored_response($partid,$id);
112: } else {
113: my $response = &Apache::response::getresponse();
114: if ( $response =~ /[^\s]/) {
115: my $ad;
116: my %previous = &Apache::response::check_for_previous($response,$partid,$id);
117: $Apache::lonhomework::results{"resource.$partid.$id.submission"}=$response;
118: &Apache::lonxml::debug("submitted a $response<br>\n");
119: &Apache::lonxml::debug($$parstack[-1] . "\n<br>");
120:
121: if ($ENV{'form.submitted'} eq 'scantron') {
122: my $number_of_bubbles = 8;#default values for number of bubbles
123: my (@formats)=&Apache::lonxml::get_param_var('format',
124: $parstack,$safeeval);
125: my (@answers)=&Apache::lonxml::get_param_var('answer',
126: $parstack,$safeeval);
127: my @values=&make_numerical_bubbles($number_of_bubbles,$target,
128: $answers[0],$formats[0]);
129: $response=$values[$response];
130: } else {
131: $response =~ s/\\/\\\\/g;
132: $response =~ s/\'/\\\'/g;
133: }
134: &Apache::lonxml::debug("current $response");
135: my $expression="&caparesponse_check_list('".$response."','".
136: $$parstack[-1];
1.96 ! albertel 137: my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffunit');
1.95 albertel 138: #no way to enter units, with radio buttons
1.96 ! albertel 139: if ($Apache::lonhomework::type eq 'exam' ||
! 140: lc($hideunit) eq "yes") {
1.95 albertel 141: $expression.=';my $unit=undef;';
142: }
143: foreach my $key (keys(%Apache::inputtags::params)) {
144: $expression.= ';my $'. #'
145: $key.'="'.$Apache::inputtags::params{$key}.'"';
146: }
147: if ($$tagstack[-1] eq 'formularesponse') {
148: $expression.=';my $type="fml";';
149: } elsif ($$tagstack[-1] eq 'numericalresponse') {
150: $expression.=';my $type="float";';
151: }
152: $expression.="');";
153: $result = &Apache::run::run($expression,$safeeval);
154: my ($awards) = split /:/ , $result;
155: ($ad) = &Apache::inputtags::finalizeawards(split /,/ , $awards);
156: &Apache::lonxml::debug("$expression");
157: &Apache::lonxml::debug("\n<br>result:$result:$Apache::lonxml::curdepth<br>\n");
158: &Apache::response::handle_previous(\%previous,$ad);
159: $Apache::lonhomework::results{"resource.$partid.$id.awarddetail"}=$ad;
160: $result='';
1.90 albertel 161: }
1.89 albertel 162: }
163: } elsif ($target eq 'web' || $target eq 'tex') {
1.90 albertel 164: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,
165: $safeeval);
1.89 albertel 166: my $award = $Apache::lonhomework::history{"resource.$Apache::inputtags::part.solved"};
167: my $status = $Apache::inputtags::status['-1'];
1.94 sakharuk 168: if ($award =~ /^correct/ || $status eq "SHOW_ANSWER" || $ENV{'form.texaward'} eq 'SHOW_ANSWER') {
1.89 albertel 169: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
170: $safeeval);
171: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
172: $safeeval);
173: if ($target eq 'web') {
174: $result="<br />The correct answer is ";
175: } elsif ($target eq 'tex') {
1.94 sakharuk 176: if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
177: $result='\vskip 0 mm The correct answer is \\texttt{ ';
178: }
1.89 albertel 179: }
180: for (my $i=0; $i <= $#answers; $i++) {
181: my $answer=$answers[$i];
182: my $format;
183: if ($#formats > 0) {
184: $format=$formats[$i];
185: } else {
186: $format=$formats[0];
187: }
188: my $formatted;
189: if ((defined($format)) && ($format ne '')) {
190: &Apache::lonxml::debug("formatting with :$format: answer :$answer:");
191: $formatted=sprintf('%.'.$format,$answer).',';
192: } else {
193: &Apache::lonxml::debug("no format answer :$answer:");
194: $formatted="$answer,";
195: }
1.94 sakharuk 196: if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
197: $result.=$formatted;
198: }
1.89 albertel 199: if ($target eq 'tex') {
200: $formatted='';
201: #$formatted=&Apache::lonxml::latex_special_symbols($formatted);
202: }
203: $result.=$formatted;
204: }
205: chop $result;
206: if ($target eq 'web') {
207: $result.=" $unit.<br />";
1.94 sakharuk 208: } elsif ($target eq 'tex') {
209: if ($ENV{'form.texaward'} eq 'SHOW_ANSWER') {
210: $result.=&Apache::lonxml::latex_special_symbols($unit);
211: $result.="}. \\vskip 0 mm ";
212: }
1.89 albertel 213: }
214: }
215: if ($Apache::lonhomework::type eq 'exam') {
1.90 albertel 216: my $number_of_bubbles = 8; #default values for number of bubbles
1.89 albertel 217: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,
218: $safeeval);
219: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,
220: $safeeval);
1.90 albertel 221: my @bubble_values=&make_numerical_bubbles($number_of_bubbles,
1.91 albertel 222: $target,$answers[0],
223: $formats[0]);
1.89 albertel 224: my @alphabet=('A'..'Z');
1.90 albertel 225: my $id=$Apache::inputtags::response[-1];
1.89 albertel 226: if ($target eq 'web') {
227: if ($$tagstack[-1] eq 'numericalresponse') {
228: if ($unit=~/\S/) {$result.=' (in '.$unit.')<br /><br />';}
229: $result.= '<table border="1"><tr>';
1.90 albertel 230: for (my $ind=0;$ind<$number_of_bubbles;$ind++) {
231: $result.='<td><input type="radio" name="HWVAL_'.$id.
1.91 albertel 232: '" value="'.$bubble_values[$ind].'"><b>'.
233: $alphabet[$ind].'</b>: '.
234: $bubble_values[$ind].'</td>';
1.89 albertel 235: }
236: $result.='</tr></table>';
237: } elsif ($$tagstack[-1] eq 'formularesponse') {
1.90 albertel 238: $result.= '<br /><br /><font color="red">
239: <textarea name="HWVAL_'.$id.'" rows="4" cols="50">
240: </textarea></font> <br /><br />';
1.89 albertel 241: }
242: } elsif ($target eq 'tex') {
243: if (defined $unit and $Apache::lonhomework::type eq 'exam') {
244: $result.=' \textit{(in} \verb|'.$unit.'|\textit{)} ';
245: }
246: if ($$tagstack[-1] eq 'numericalresponse') {
1.90 albertel 247: my ($celllength,$number_of_tables,@table_range)=
248: &get_table_sizes($formats[0],$number_of_bubbles);
1.89 albertel 249: my $j=0;
250: my $cou=0;
251: $result.='\vskip -1 mm \noindent \begin{enumerate}\item[\textbf{'.$Apache::lonxml::counter.'}.]';
252: for (my $i=0;$i<$number_of_tables;$i++) {
253: $result.='\vskip -1 mm \noindent \begin{tabular}{';
1.90 albertel 254: for (my $ind=0;$ind<$table_range[$j];$ind++) {
1.89 albertel 255: $result.='lp{'.$celllength.' mm}';
256: }
257: $result.='}';
1.90 albertel 258: for (my $ind=$cou;$ind<$cou+$table_range[$j];$ind++) {
1.91 albertel 259: $result.='\hskip -3 mm {\small \textbf{'.$alphabet[$ind].'}}$\bigcirc$\hskip -2 mm & {\small '.$bubble_values[$ind].'} ';
1.89 albertel 260: if ($ind != $cou+$table_range[$j]-1) {$result.=' & ';}
261: }
262: $cou += $table_range[$j];
263: $j++;
264: $result.='\\\\\end{tabular}\vskip 0 mm ';
265: }
266: $result.='\end{enumerate}';
267: } else {
268: $result.='\fbox{\fbox{\parbox{\textwidth-5mm}{\strut\\\\\strut\\\\\strut\\\\\strut\\\\}}}';
1.93 albertel 269: my $repetition = &Apache::response::repetition();
1.89 albertel 270: $result.='\begin{enumerate}';
271: for (my $i=0;$i<$repetition;$i++) {
1.93 albertel 272: $result.='\item[\textbf{'.($Apache::lonxml::counter+$i).'}.]\textit{Leave blank on scoring form}\vskip 0 mm';
1.89 albertel 273: }
1.90 albertel 274: $increment=$repetition;
1.89 albertel 275: $result.= '\end{enumerate}';
276: }
277: }
278: }
279: } elsif ($target eq 'edit') {
280: $result.='</td></tr>'.&Apache::edit::end_table;
281: } elsif ($target eq 'answer' || $target eq 'analyze') {
1.58 sakharuk 282:
1.89 albertel 283: my $part_id="$Apache::inputtags::part.$Apache::inputtags::response[-1]";
284: if ($target eq 'analyze') {
285: push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id);
286: $Apache::lonhomework::analyze{"$part_id.type"} = $$tagstack[-1];
287: }
288: &Apache::response::setup_params($$tagstack[-1]);
289: my (@answers)=&Apache::lonxml::get_param_var('answer',$parstack,$safeeval);
1.58 sakharuk 290: my (@formats)=&Apache::lonxml::get_param_var('format',$parstack,$safeeval);
291: my $unit=&Apache::lonxml::get_param_var('unit',$parstack,$safeeval);
1.89 albertel 292: my $type=&Apache::lonxml::get_param('type',$parstack,$safeeval);
293:
294: if ($target eq 'answer') {
295: $result.=&Apache::response::answer_header($$tagstack[-1]);
296: }
297: for(my $i=0;$i<=$#answers;$i++) {
298: my $ans=$answers[$i];
1.90 albertel 299: my $fmt=$formats[0];
300: if (@formats && $#formats) {$fmt=$formats[$i];}
1.89 albertel 301: my ($high,$low);
302: if ($Apache::inputtags::params{'tol'}) {
303: ($high,$low)=&get_tolrange($ans,$Apache::inputtags::params{'tol'});
304: }
305: my ($sighigh,$siglow);
306: if ($Apache::inputtags::params{'sig'}) {
307: ($sighigh,$siglow)=&get_sigrange($Apache::inputtags::params{'sig'});
308: }
309: if ($fmt) {
310: $ans = sprintf('%.'.$fmt,$ans);
311: if ($high) {
1.90 albertel 312: $high=sprintf('%.'.$fmt,$high);
313: $low =sprintf('%.'.$fmt,$low);
1.62 sakharuk 314: }
1.60 sakharuk 315: }
1.89 albertel 316: if ($target eq 'answer') {
317: if ($high) { $ans.=' ['.$low.','.$high.']'; }
318: if ($sighigh) { $ans.= " Sig <i>$siglow - $sighigh</i>"; }
319: $result.=&Apache::response::answer_part($$tagstack[-1],$ans);
320: } elsif ($target eq 'analyze') {
321: push (@{ $Apache::lonhomework::analyze{"$part_id.answer"} }, $ans);
322: if ($high) {
323: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_high"} }, $high);
324: push (@{ $Apache::lonhomework::analyze{"$part_id.ans_low"} }, $low);
1.58 sakharuk 325: }
1.79 sakharuk 326: }
1.36 albertel 327: }
1.89 albertel 328: if ($unit) {
329: if ($target eq 'answer') {
330: $result.=&Apache::response::answer_part($$tagstack[-1],
331: "Unit: <b>$unit</b>");
332: } elsif ($target eq 'analyze') {
333: push (@{ $Apache::lonhomework::analyze{"$part_id.unit"} },
334: $unit);
335: }
336: }
337: if ($type || $token->[1] eq 'stringresponse') {
338: my $string='Case Insensitive';
339: if ($type eq 'mc') {
340: $string='Multiple Choice';
341: } elsif ($type eq 'cs') {
342: $string='Case Sensitive';
343: } elsif ($type eq 'ci') {
344: $string='Case Insensitive';
345: } elsif ($type eq 'fml') {
346: $string='Formula';
347: }
348: if ($target eq 'answer') {
349: $result.=&Apache::response::answer_part($$tagstack[-1],
350: '<b>'.$string.'</b>');
351: } elsif ($target eq 'analyze') {
352: push (@{ $Apache::lonhomework::analyze{"$part_id.type"} },
353: $type);
354: }
355: }
356: if ($$tagstack[-1] eq 'formularesponse' && $target eq 'answer') {
357: my $samples=&Apache::lonxml::get_param('samples',$parstack,$safeeval);
358: $result.=&Apache::response::answer_part($$tagstack[-1],$samples);
359: }
360: if ($target eq 'answer') {
361: $result.=&Apache::response::answer_footer($$tagstack[-1]);
362: }
1.69 sakharuk 363: }
1.90 albertel 364: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
365: $target eq 'tex' || $target eq 'analyze') {
366: &Apache::lonxml::increment_counter($increment);
367: }
1.89 albertel 368: &Apache::response::end_response;
369: return $result;
1.90 albertel 370: }
371:
372: sub get_table_sizes {
373: my ($format,$number_of_bubbles)=@_;
374: my $max_val = 0;
375: if ($format=~m/^(\d+)E([^\d]*)(\d*)$/) {
376: $max_val=$1+$2+4;
377: } else {
378: $max_val=4;
379: }
380: $max_val = int(0.9*$ENV{'form.textwidth'}/(($max_val+6)*2));
381: my $celllength = 0.9*$ENV{'form.textwidth'}/$max_val-10;
382: my @table_range = ();
383: my $number_of_tables = int($number_of_bubbles/$max_val);
384: for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$max_val;}
385: if ($number_of_bubbles % $max_val != 0) {
386: $number_of_tables++;
387: push @table_range,($number_of_bubbles % $max_val);
388: }
389: return ($celllength,$number_of_tables,@table_range);
390: }
391:
392: sub format_number {
393: my ($number,$format,$target)=@_;
394: my $ans;
395: if ($format ne '') {
396: $ans = sprintf('%.'.$format,$number);
397: } else {
398: my $format = '';
399: #What is the number? (integer,decimal,floating point)
400: if ($number=~/^(\d*\.?\d*)(E|e)(\d*)$/) {
401: $format = 'e'.$2;
402: } elsif ($number=~/^(\d*)\.(\d*)$/) {
403: $format = '4f';
404: } elsif ($number=~/^(\d*)$/) {
405: $format = 'd';
406: }
407: $ans = sprintf('%.'.$format,$number);
408: }
409: if ($target eq 'tex') {
410: if ($ans =~ m/([0-9\.\-\+]+)E([0-9\-\+]+)/ ) {
411: my $number = $1;
412: my $power = $2;
413: $power=~s/^\+//;
414: $power=~s/^(-?)0+(\d+)//;
415: $ans=$number.'$\times 10^{'.$1.$2.'}$'; #'stupidemacs
416: }
417: }
418: return $ans;
419: }
420:
421: sub make_numerical_bubbles {
1.91 albertel 422: my ($number_of_bubbles,$target,$answer,$format) =@_;
423: my @bubble_values = ();
1.90 albertel 424: my @factors = (1.13,1.17,1.25,1.33,1.45); #default values of factors
425: my @powers = (1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0); #default values for powers
426: &Apache::response::setrandomnumber();
427: my $ind=&Math::Random::random_uniform_integer(1,0,$#powers);
428: my $power = $powers[$ind];
429: $ind=&Math::Random::random_uniform_integer(1,0,$#factors);
430: my $factor = $factors[$ind];
431: for ($ind=0;$ind<$number_of_bubbles;$ind++) {
1.91 albertel 432: $bubble_values[$ind] = $answer*($factor**($power-$powers[$#powers-$ind]));
433: $bubble_values[$ind] = &format_number($bubble_values[$ind],
434: $format,$target);
435:
1.90 albertel 436: }
1.91 albertel 437: return @bubble_values;
1.51 albertel 438: }
439:
440: sub get_tolrange {
1.89 albertel 441: my ($ans,$tol)=@_;
442: my ($high,$low);
443: if ($tol =~ /%$/) {
444: chop($tol);
445: my $change=$ans*($tol/100.0);
446: $high=$ans+$change;
447: $low=$ans-$change;
448: } else {
449: $high=$ans+$tol;
450: $low=$ans-$tol;
451: }
452: return ($high,$low);
1.52 albertel 453: }
454:
455: sub get_sigrange {
1.89 albertel 456: my ($sig)=@_;
457: &Apache::lonxml::debug("Got a sig of :$sig:");
458: my $sig_lbound;
459: my $sig_ubound;
460: if ($sig eq '') {
461: $sig_lbound = 0; #SIG_LB_DEFAULT
462: $sig_ubound =15; #SIG_UB_DEFAULT
463: } else {
464: ($sig_lbound,$sig_ubound) = split(/,/,$sig);
465: if (!$sig_lbound) {
466: $sig_lbound = 0; #SIG_LB_DEFAULT
467: $sig_ubound =15; #SIG_UB_DEFAULT
468: }
469: if (!$sig_ubound) { $sig_ubound=$sig_lbound; }
1.52 albertel 470: }
1.89 albertel 471: return ($sig_ubound,$sig_lbound);
1.34 albertel 472: }
473:
474: sub start_stringresponse {
1.89 albertel 475: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
476: my $result;
477: if ($target eq 'meta') {
478: $result=&Apache::response::meta_package_write('stringresponse');
479: } else {
480: $result.=&start_numericalresponse(@_);
481: }
482: return $result;
1.34 albertel 483: }
484:
485: sub end_stringresponse {
1.89 albertel 486: return end_numericalresponse(@_);
1.44 albertel 487: }
488:
489: sub start_formularesponse {
1.89 albertel 490: my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
491: my $result;
492: if ($target eq 'meta') {
493: $result=&Apache::response::meta_package_write('formularesponse');
494: } else {
495: $result.=&start_numericalresponse(@_);
496: }
497: return $result;
1.44 albertel 498: }
499:
500: sub end_formularesponse {
1.89 albertel 501: return end_numericalresponse(@_);
1.3 albertel 502: }
503:
1.1 albertel 504: 1;
1.3 albertel 505: __END__
1.89 albertel 506:
FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>
![[BACK]](/icons/back.gif){kind=icon}
Return to caparesponse.pm CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [LON-CAPA] / loncom / homework / caparesponse