[bug#28210] [PATCH] gnu: Add emacs-sr-speedbar.

[Oleg Pykhalov <go.wigust@gmail.com>]

diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index ccc8c6db5..49bcc8a8a 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -5865,3 +5865,30 @@ displaying a tooltip at mouse position which allows users to easily show it.
 However, locating tooltip at arbitrary buffer position in window is not easy.
 This program provides such function to be used by other frontend programs.")
     (license license:gpl2+)))
+
+(define-public emacs-sr-speedbar
+  (package
+    (name "emacs-sr-speedbar")
+    (version "20161025")
+    (source
+     (origin
+       (method url-fetch)
+       (uri "https://www.emacswiki.org/emacs/download/sr-speedbar.el")
+       (file-name (string-append "sr-speedbar-" version ".el"))
+       (sha256
+        (base32
+         "15kvl270a5xx1w5fjlrawslnpwyks2x17356xcr0idhv5xw2wn30"))))
+    (build-system emacs-build-system)
+    (home-page "https://www.emacswiki.org/emacs/download/sr-speedbar.el")
+    (synopsis "Same frame speedbar")
+    (description "Speedbar in same Emacs frame.  Below are commands you can use:
+@itemize
+@item @code{sr-speedbar-open} Open sr-speedbar window.
+@item @code{sr-speedbar-close} Close sr-speedbar window.
+@item @code{sr-speedbar-toggle} Toggle sr-speedbar window.
+@item @code{sr-speedbar-select-window} Select sr-speedbar window.
+@item @code{sr-speedbar-refresh-turn-on} Turn on refresh speedbar content.
+@item @code{sr-speedbar-refresh-turn-off} Turn off refresh speedbar content.
+@item @code{sr-speedbar-refresh-toggle} Toggle refresh speedbar content.
+@end itemize\n")
+    (license license:gpl3+)))