gnu: Add emacs-csv-mode.

* gnu/packages/emacs.scm (emacs-csv-mode): New public variable.

gnu/packages/emacs.scm

@@ -9288,3 +9288,23 @@ buffer.")
       (description "@code{download-region} provides in buffer
 downloading manager for Emacs.")
       (license license:gpl3+))))
+
+(define-public emacs-csv-mode
+  (package
+    (name "emacs-csv-mode")
+    (version "1.7")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "http://elpa.gnu.org/packages/csv-mode-"
+                           version ".el"))
+       (sha256
+        (base32
+         "0r4bip0w3h55i8h6sxh06czf294mrhavybz0zypzrjw91m1bi7z6"))))
+    (build-system emacs-build-system)
+    (home-page "http://elpa.gnu.org/packages/csv-mode.html")
+    (synopsis "Major mode for editing comma or char separated values")
+    (description
+     "This package provides an Emacs CSV mode, a major mode for editing
+records in a generalized CSV (character-separated values) format.")
+    (license license:gpl3+)))