Budget Question

[Jason York]

I'm a new gnucash user and I've been playing around with the budget 
feature.  Is there any way to copy values across columns?  For example, 
I've set up a budget with a period of 1 month  with 12 periods.
I would like to be able to fill in all my budget values for the first 
month.  Then have the option to copy them to the next month. Then I can 
just modify the few that change for that month.  It seems quite tedious 
to manually re-enter those values for every month.  Is there something 
I'm missing?

If not, I would be willing to submit a patch if someone could at least 
point me in the right direction of what you think would need to be done 
to implement.  I'm capable of coding it up, but I am not familiar with 
the gnucash source.

I've looked at the "Estimate" feature, and this is not particularly 
useful for me.

Thanks,
  -- Jason