or for errors
$UserInputBgColor ='#CCCCCC'  ; # background color for user input commands
</pre>
Note the use of dollar signs at the beginning
of the variables, the quotation marks around string values and the
semicolons at the end of lines. The comments starting with # are optional.
The customization file has to have correct Perl language syntax to work 
properly.
<p>
Other then changing colors and width of table columns, 
the configuration file can be used to work around a bug in the Safari
browser. The bu