[PATCH 2/4] Introduce a generic tree-like abstraction for MIME traversal.

[Austin Clements]

Quoth Daniel Kahn Gillmor on Dec 27 at  9:27 am:
> On 12/23/2011 10:45 PM, Austin Clements wrote:
> > Quoth Dmitry Kurochkin on Dec 10 at  3:25 am:
> >> +           /* For some reason the GMimeSignatureValidity returned
> >> +            * here is not a const (inconsistent with that
> >> +            * returned by
> >> +            * g_mime_multipart_encrypted_get_signature_validity,
> >> +            * and therefore needs to be properly disposed of.
> >> +            * Hopefully the API will become more consistent. */
> >>
> >> Ouch.  In gmime 2.6 this API has changed, but looks like the
> >> issue is still there.  Is there a bug for it?  If yes, we should
> >> add a reference to the comment.  Otherwise, we should file the
> >> bug and then add a reference to the comment :)
> > 
> > It looks like they're both non-const in 2.6 (which makes more sense to
> > me).  I updated the comment to mention this.
> 
> Here's the bug report where this was discussed with upstream, fwiw:
> 
>   https://bugzilla.gnome.org/show_bug.cgi?id=640911

Oh, are we not supposed to be disposing of the GMimeSignatureValidity
returned by g_mime_multipart_encrypted_get_signature_validity
ourselves?  Comment 1 on that bug report suggests that we shouldn't.
The old show code did, so I ported that behavior over to the new code.