Hi Ansgar, Thanks for your reply.
I think this situation meets the condition. The case of two programs having the same functionality but different > implementations is handled via "alternatives" or the "Conflicts" mechanism. These two programs having the same functionality - implementation of RFC6570; but they aren't compatible with each other. -- Sun-Ze Lin (林上智) 2016-10-18 15:57 GMT+08:00 Ansgar Burchardt <ans...@debian.org>: > "SZ Lin (林上智)" <sz...@cs.nctu.edu.tw> writes: > > Although these packages are not API-compatible, they are using the > > same installation path and file name; therefore, I think "Conflict:" > > section is needed. > > Note that Policy explicitly forbids using "Conflicts" in this case, see > the first paragraph in [1]. > > [1] <https://www.debian.org/doc/debian-policy/ch-files.html#s-binaries> > > Ansgar > >