How can I use a `pdf-viewer'?

[Adrian Bunk]

Hi,

if a package needs to view pdf-files it has to depend on the virtual
package `pdf-viewer'. Is there a better possibility to view pdfs from the
package then making a dependency on `mime-support' and to use `see'?

Thanks,
Adrian

-- 
A "No" uttered from deepest conviction is better and greater than a
"Yes" merely uttered to please, or what is worse, to avoid trouble.
                -- Mahatma Ghandi