[WWcvs] pg: Fixed documentation for $graph->size()

[Mike G. v. a. <we...@ma...>]

Log Message:
-----------
Fixed documentation for $graph->size()

Modified Files:
--------------
    pg/lib:
        WWPlot.pm

Revision Data
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Index: WWPlot.pm
===================================================================
RCS file: /webwork/cvs/system/pg/lib/WWPlot.pm,v
retrieving revision 1.2
retrieving revision 1.3
diff -Llib/WWPlot.pm -Llib/WWPlot.pm -u -r1.2 -r1.3
--- lib/WWPlot.pm
+++ lib/WWPlot.pm
@@ -116,10 +116,10 @@
 
 =item size
 
-	($horizontal_pixels, $vertical_pixels) = $graph ->size();
+	($horizontal_pixels, $vertical_pixels)  = @{$graph ->size()};
 
 Reads the size of the graph image in pixels.  This cannot be reset. It is defined by
-the new constructor and cannot be changed.
+the new constructor and cannot be changed. 
 
 =item colors