gnu: Add emacs-iedit.

* gnu/packages/emacs.scm (emacs-iedit): New variable.

gnu/packages/emacs.scm

@@ -1825,6 +1825,32 @@ (define-public emacs-ace-window
 highlighted.  Pressing that character will switch to that window.")
     (license license:gpl3+)))
 
+(define-public emacs-iedit
+  (package
+    (name "emacs-iedit")
+    (version "0.9.9")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://github.com/victorhge/iedit/archive/v"
+                           version ".tar.gz"))
+       (file-name (string-append name "-" version ".tar.gz"))
+       (sha256
+        (base32
+         "00v86zllcsivmiibigbr91qij2zdf1lr9db8z8again1sn63wkdj"))))
+    (build-system emacs-build-system)
+    (home-page "http://www.emacswiki.org/emacs/Iedit")
+    (synopsis "Edit multiple regions in the same way simultaneously")
+    (description
+     "This package is an Emacs minor mode and allows you to edit one
+occurrence of some text in a buffer (possibly narrowed) or region, and
+simultaneously have other occurrences edited in the same way.
+
+You can also use Iedit mode as a quick way to temporarily show only the buffer
+lines that match the current text being edited.  This gives you the effect of
+a temporary @code{keep-lines} or @code{occur}.")
+    (license license:gpl3+)))
+
 (define-public emacs-clojure-mode
   (package
     (name "emacs-clojure-mode")