When we make a copy of a revision because customer for example wants to have other prices or other units, there is some features missing:

• ability to have a link to the past proposals

• ability to automatic create names of proposals based in a reference, like ProposalV1, ProposalV2

• and very important, when copy a proposal, software should ask if we want to copy also the conversation and discussions.

We need to know what conversations lead to that particular revision.