Subject: bug#72795: 31.0.50; Make speedbar-add-supported-extension autoloaded

From: "Mark A. Hershberger" <[email-masked]>
Date: Sat, 24 Aug 2024 15:20:13 -0400

Example where this would be handy:

https://github.com/jschaf/powershell.el/pull/39/commits/3744d8c2ab99ef9f6dc58cdffec7d3770201713b