Merge with kiln (mercurial )

Question

What are the best way to merge in kiln with another repository.

we have 3 repositories

• 1.7.5
• 1.7.6
• main-dev

So I fix a bug in an older version (1.7.5). That fix I would like to merge with version 1.7.6, repository and in our main-dev repository..

How would I do this with mercurial (kiln)