[PATCH 2 of 3 stable V2] ancestor.deepest: decrement ninteresting correctly (issue3984)

[Siddharth Agarwal]

On 07/25/2013 03:50 PM, Siddharth Agarwal wrote:

> interesting[nsp] will be
> incremented soon, so if it was previously 0, it shouldn't be decremented.

This can be a bit clearer --

"interesting[nsp] is incremented at the same time as interesting[sp] is 
decremented. So if interesting[nsp] was previously 0, ninteresting 
shouldn't be decremented".