오래전 이야기/Server
You are using a PEAR version lower than 1.4.0.
To install the package, you have to update PEAR via:
$ pear upgrade PEAR
This will install the latest available version of PEAR which is capable of installing packages that have only a package.xml version 2.0.
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<출처: http://docs.huihoo.com/php/pear/manual/en/faq.no-handlers.html >