Subject: bug#34506: 27.0.50: push-button bug with basic text-property button

From: Eli Zaretskii <[email-masked]>
Date: Mon, 18 Feb 2019 19:36:52 +0200

> From: Robert Weiner <[email-masked]>
> Date: Mon, 18 Feb 2019 11:56:49 -0500
> Cc: [email-masked]
> 
> Your last paragraph indicates that the button API by itself could use some improvement.

Possibly.

> How does one obtain a button to send to button-type if not button-at?

Looks like you need to use text-properties-at, and then look at the
result: the type is stored in the 'category' property there.