gnu: Add emacs-mini-frame.

* gnu/packages/emacs-xyz.scm (emacs-mini-frame): New variable.

Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>

gnu/packages/emacs-xyz.scm

@@ -14962,6 +14962,31 @@ letter of Pinyin to Simplified/Traditional Chinese characters.")
 methods from a given list.")
     (license license:gpl3+)))
 
+(define-public emacs-mini-frame
+  (let ((commit "60838f3cab438dcbda8eaa15ab3e5d1af88910e9")
+        (revision "0"))
+    (package
+      (name "emacs-mini-frame")
+      (version (git-version "1.19" revision commit))
+      (source
+       (origin
+         (uri (git-reference
+               (url "https://github.com/muffinmad/emacs-mini-frame.git")
+               (commit commit)))
+         (method git-fetch)
+         (sha256
+          (base32 "0q01iymz657bg3mcmq7vcl8r0ypsa1pqj1p6gxs7ywx1d33lan4d"))
+         (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/muffinmad/emacs-mini-frame")
+      (synopsis "Show minibuffer in child frame")
+      (description
+       "@dfn{mini-frame-mode} adds an advice around @code{read-from-minibuffer}
+to show the minibuffer as a child frame on top of the current frame.
+@code{find-file} and similar functions associated mini-buffers may appear at
+the center of the screen and not at the bottom.")
+      (license license:gpl3+))))
+
 (define-public emacs-posframe
   (package
     (name "emacs-posframe")