[ Thanks to SilverWave for this link.
]
“Taming ubuntu-mozilla-daily with Pin-Priority: 400
“I regularly use a package from the Ubuntu Daily Mozilla PPA.
Unfortunately the PPA also contains snapshot builds of Firefox 3.5
and XulRunner 1.9.1, which I want to keep at their standard Ubuntu
versions”.“The Pinning Solution
“To make apt-get upgrading as painless as possible set a lower
Pin-Priority on the PPA, this will stop unwanted package versions
from installing. Once set, packages from the ubuntu-mozilla-daily
PPA will always lose in any contest with packages from other
repositories, even if they have a higher version.”