Multiple heads?

[Doug Philips]

 On Friday, June 06, 2008, at 01:20PM, "Trygve Laugstøl" indited:
>Running just "hg merge" will give you the info you need. Since you have 
>more that two heads, you will need tell mercurial which heads you want 
>to merge. Running "hg heads" will show all the heads and their revisions.

It might (or might not) matter which order you merge and which heads are the first and second parents of the committed merge.
I thought that this very parental ordering topic was in the wiki but I can't remember where and my search-fu has failed to find it.

    --Doug