>>>>> In <b4mmyzg0zps.fsf@jpl.org> Katsumi Yamaoka wrote:
>>>>>> In <87hcpreb4c.fsf@poczta.po.opole.pl> Seweryn Kokot wrote:

>> I have an email with 6 parts (text/plain). In Article buffer I type K b
>> to distinguish them and have button for each file. Then I type RET on a
>> button which hides the text and after typing again RET I get the text
>> but with different foreground face of the text, namely
>> boldface. Preferably this action should not change the face of the
>> text. Is it a bug? I'm using Gnus v5.11 under Debian Unstable

>> Any idea?

[...]

> I don't know why the `widget-button' face is not inherited to
> the inserted text part.

Because `widget-specify-button' sets the fourth argument of
`make-overlay' when making a button.

,----
| (make-overlay beg end &optional buffer front-advance rear-advance)
|
| [...]
| The fourth arg front-advance, if non-nil, makes the marker
| for the front of the overlay advance when text is inserted there
| (which means the text *is not* included in the overlay).
`----

I've made a change in the trunk so that `gnus-insert-mime-button'
may do the same.  Probably I've solved the problem.

If you are hard to update Gnus everyday ;-p, you can use the
following instead temporarily in your ~/.gnus.el file: