git merge vs git commit

Hi,

Using git 1.5.4.5, I notice that the result from git merge and git commit are different in an unexpected way.

Take the following tree:

     B---C---D---E2
    /
  -A1
    \
     F---G---H---I3

(letters represent commits, numbers represent where the references are).

Your current head is '1', and you want to merge branches '2' and '3', so you use:

	git merge 2 3

If there aren't any conflicts, you get a nice clean merge, resulting in:

     B---C---D---E2
    /             \
  -A               J1
    \             /
     F---G---H---I3

However, if you have a conflict that needs resolving, you fix it up as normal, and then use git commit. This results in:

     B---C---D---E2
    /             \
  -A---------------K1
    \             /
     F---G---H---I3

instead - an additional reference from commit 'K' back to commit 'A' which isn't present in the clean merge case.

Is this intentional, or is it a bug?