Pear channel broken

[Fraser Thompson]

I can no longer download this package from the pear channel. This is my code:

```

pear clear-cache

pear channel-discover htmlpurifier.org

pear -vvv  install hp/HTMLPurifier

```

And this is the response:

```

Adding Channel "htmlpurifier.org" succeeded

Discovery of channel "htmlpurifier.org" succeeded

No releases available for package "htmlpurifier.org/HTMLPurifier"

Cannot initialize 'channel://htmlpurifier.org/HTMLPurifier', invalid or missing package file

Package "channel://htmlpurifier.org/HTMLPurifier" is not valid

install failed

```