From the list of changes not to make to a package from Debian ...

[Scott Kitterman]

https://launchpad.net/ubuntu/jaunty/+source/transmission/1.40-2ubuntu1

transmission (1.40-2ubuntu1) jaunty; urgency=low

  * Merge from debian unstable (LP: #305298), remaining changes:
    - debian/control:
      - Don't just build-depend on libcurl-dev, which is
        a virtual package.
      - Added replaces & provides clutch (now included as part of 
transmission).
      - Build-depends on quilt.
    - debian/rules:
      - Uncommented "include /usr/share/quilt/quilt.make".
      - Added patch/unpatch targets for Quilt.
      - Create a PO template during package build.
    - debian/transmission-daemon.postinst: Corrected dpkg-statoverride call
    - 20_add_X-Ubuntu-Gettext-Domain.diff: Add X-Ubuntu-Gettext-Domain
      to .desktop file.
  * Converted patch system from dpatch to quilt.

Converting from one patch system to another is the kind of thing that should 
be avoided.  We strive for a minimal difference from Debian.  

I looked and didn't see this listed in Ubuntu Policy, but I guess it ought to 
be (along with not changing build systems).  I'd appreciate suggestions on 
where in Ubuntu Policy this ought to go.

Scott K