While this book aims to cover everything you'll need to start programming with Perl and XML, modules change, new standards emerge, and you may think of some oddball situation that we haven't anticipated. Here's are two other resources you can pursue.
0.3.1. The perl-xml Mailing List
The perl-xml mailing list is the first place to go for finding fellow programmers suffering from the same issues as you. In fact, if you plan to work with Perl and XML in any nontrivial way, you should first subscribe to this list. To subscribe to the list or browse archives of past discussions, visit http://aspn.activestate.com/ASPN/Mail/Browse/Threaded/perl-xml.
You might also want to check out http://www.xmlperl.com, a fairly new web site devoted to the Perl/XML community.
Most modules discussed in this book are not distributed with Perl and need to be downloaded from CPAN.
If you've worked in Perl at all, you're familiar with CPAN and how to download and install modules. If you aren't, head over to http://www.cpan.org. Check out the FAQ first. Get the CPAN module if you don't already have it (it probably came with your standard Perl distribution).
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