Log Message:
-----------
Adjusted the parentheses slightly so that matrices will only be formed
in Matrix context, not Point or Vector context (this produced
confusing messages for students in some circumstances where they didn't
balence their parentheses correctly).
Modified Files:
--------------
pg/lib/Parser/Context:
Default.pm
Revision Data
-------------
Index: Default.pm
===================================================================
RCS file: /webwork/cvs/system/pg/lib/Parser/Context/Default.pm,v
retrieving revision 1.33
retrieving revision 1.34
diff -Llib/Parser/Context/Default.pm -Llib/Parser/Context/Default.pm -u -r1.33 -r1.34
--- lib/Parser/Context/Default.pm
+++ lib/Parser/Context/Default.pm
@@ -77,7 +77,7 @@
'(' => {close => ')', type => 'Point', formMatrix => 1, formInterval => ']',
formList => 1, removable => 1, emptyOK => 1, function => 1},
'[' => {close => ']', type => 'Point', formMatrix => 1, formInterval => ')', removable => 1},
- '<' => {close => '>', type => 'Vector', formMatrix => 1},
+ '<' => {close => '>', type => 'Vector'},
'{' => {close => '}', type => 'Point', removable => 1},
'|' => {close => '|', type => 'AbsoluteValue'},
'start' => {close => 'start', type => 'List', formList => 1,
@@ -280,6 +280,7 @@
$vectorContext->functions->undefine('arg','mod','Re','Im','conj');
$vectorContext->constants->replace(i=>Value::Vector->new(1,0,0));
$vectorContext->constants->set(i=>{TeX=>'\boldsymbol{i}', perl=>'i'});
+$vectorContext->parens->set('(' => {formMatrix => 0});
#
# Point context (for symmetry)
@@ -290,7 +291,10 @@
# Matrix context (square brackets make matrices in preference to points or intervals)
#
$matrixContext = $vectorContext->copy;
-$matrixContext->parens->set('[' => {type => 'Matrix', removable => 0});
+$matrixContext->parens->set(
+ '(' => {formMatrix => 1},
+ '[' => {type => 'Matrix', removable => 0},
+);
#
# Interval context (make intervals rather than lists)
|
