[PATCH] emacs: Fix applying stickiness to the :notmuch-part property

[David Bremner]

Austin Clements <amdragon at MIT.EDU> writes:

> Previously, we simply called pushnew to add :notmuch-part to the
> front-sticky and rear-nonsticky text property lists.  This works if
> these are nil or lists, but they can also have the value t, meaning
> that all properties are front-sticky/rear-nonsticky.  In this case,
> pushnew will signal an error because t is not a list.  We never set
> these properties to t ourselves, but since we apply these property
> changes over arbitrary renderer output, we have to deal with this
> possibility.

Pushed,

d