in reply to Re^2: cannot view png file from Graph::GD module
in thread cannot view png file from Graph::GD module

From the CGI documentation:
If you use the -w switch, you will be warned that some CGI.pm argument names conflict with built-in Perl functions. The most frequent of these is the -values argument, used to create multi-valued menus, radio button clusters and the like. To get around this warning, you have several choices:
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