diff options
Diffstat (limited to 'question.php')
| -rw-r--r-- | question.php | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/question.php b/question.php index ab024a7..10978a3 100644 --- a/question.php +++ b/question.php @@ -126,6 +126,7 @@ class qtype_algebra_question extends question_graded_by_strategy * @return top term of the parse tree or a string if an exception is thrown */ public function formated_expression($text) { + global $CFG; // Create an array of variable names for the parser from the question if defined. $varnames=array(); @@ -141,7 +142,12 @@ class qtype_algebra_question extends question_graded_by_strategy // can be caught and converted into errors. try { $exp = $p->parse($text, $varnames); - return '$$'.$exp->tex().'$$'; + if ($CFG->qtype_algebra_texdelimiters == 'old') { + return '$$'.$exp->tex().'$$'; + } else { + return '\['.$exp->tex().'\]'; + } + } catch (Exception $e) { return ''; } @@ -216,6 +222,7 @@ class qtype_algebra_question extends question_graded_by_strategy * @return boolean true if the response matches the answer, false otherwise */ public function test_response_by_sage($response, $answer) { + global $CFG; $request=array( 'host' => $CFG->qtype_algebra_host, 'port' => $CFG->qtype_algebra_port, |