Log Message:
-----------
Fixed some typos and updated a couple of examples.
Tags:
----
rel-2-4-patches
Modified Files:
--------------
webwork2/doc/parser/docs:
UsingParser.pod
Revision Data
-------------
Index: UsingParser.pod
===================================================================
RCS file: /webwork/cvs/system/webwork2/doc/parser/docs/UsingParser.pod,v
retrieving revision 1.1.2.1
retrieving revision 1.1.2.2
diff -Ldoc/parser/docs/UsingParser.pod -Ldoc/parser/docs/UsingParser.pod -u -r1.1.2.1 -r1.1.2.2
--- doc/parser/docs/UsingParser.pod
+++ doc/parser/docs/UsingParser.pod
@@ -49,7 +49,9 @@
variable by another formula, if you wish. To make
this easier, substitute will apply Formula() to
any string values automatically. E.g.,
+
Formula("x-1")->substitute(x=>"y")
+
returns "y-1" as a formula.
=item $f->string
@@ -353,7 +355,7 @@
and can change, remove or list the constants via methods like those
used for variables above. The command
- $M = $constant->constants->get('M');
+ $M = $context->constants->get('M');
will return the value of the consant M. (See the
pg/lib/Value/Context/Data.pm file for more information on the methods
@@ -362,16 +364,23 @@
To add new predefined words (like 'NONE' and 'DNE'), use something
like
- $constant->strings->add(TRUE=>{},FALSE=>{});
+ $context->strings->add(TRUE=>{},FALSE=>{});
+
+Strings are case-insensitive, unless you say otherwise. To mark a
+string as being case-senstive, use
+
+ $context->strings->add(TRUE => {caseSensitive=>1});
-Note that strings are case-sensitive, so you might want to add
+You may want to privide several forms for the same word; to do so,
+make the additional words into aliases:
- $constant->strings->add(
- true => {alias=>'TRUE'},
- false => {alias=>'FALSE'},
+ $context->strings->add(
+ T => {alias=>'TRUE'},
+ F => {alias=>'FALSE'},
);
-so that either "TRUE" or "true" will be interpreted as TRUE.
+so that either "TRUE" or "T" will be interpreted as TRUE, and
+similarly for "FALSE" and "F";
There are a number of values stored in the context that control things
like the tolerance used when comparing numbers, and so on. You
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