Diff for /loncom/homework/default_homework.lcpm between versions 1.142 and 1.143

version 1.142, 2008/11/26 18:11:52 version 1.143, 2009/02/06 10:43:48
Line 220  sub caparesponse_check { Line 220  sub caparesponse_check {
     if (($type eq '9') || ($type eq '8')) {      if (($type eq '9') || ($type eq '8')) {
         if ($response=~/\=/) {          if ($response=~/\=/) {
             return ('BAD_FORMULA','Please submit just an expression, not an equation.');              return ('BAD_FORMULA','Please submit just an expression, not an equation.');
         } elsif ($response =~ /\,/) {          } elsif ($response =~ /\,/ and $response !~ /^\s*\{.*\}\s*$/) {
             return ('BAD_FORMULA');              return ('BAD_FORMULA');
         }          }
     }      }

Removed from v.1.142  
changed lines
  Added in v.1.143


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