Torsten Werner wrote: > This package is the experimental version 6 of grace. You should use > the grace package (version 5) if you are not sure which is the right > one. > > The upstream author recommends packaging version 6 as a separate > package because development of both version are happening in > parallel.
Then you should keep the package name the same and upload the package of grace 6 to experimental. When 6 becomes the released version, you upload the package of grace 6 to Debian unstable.