gnu: Add emacs-wordnut.

* gnu/packages/patches/emacs-wordnut-require-adaptive-wrap.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add previous file.
* gnu/packages/emacs.scm (emacs-wordnut): New package.

gnu/local.mk

@@ -674,6 +674,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/emacs-scheme-complete-scheme-r5rs-info.patch	\
   %D%/packages/patches/emacs-source-date-epoch.patch		\
   %D%/packages/patches/emacs-realgud-fix-configure-ac.patch	\
+  %D%/packages/patches/emacs-wordnut-require-adaptive-wrap.patch	\
   %D%/packages/patches/enlightenment-fix-setuid-path.patch	\
   %D%/packages/patches/erlang-man-path.patch			\
   %D%/packages/patches/eudev-rules-directory.patch		\

gnu/packages/emacs.scm

@@ -12828,3 +12828,29 @@ (define-public emacs-buttercup
 common set-up and tear-down code, and allows the programmer to \"spy\" on
 functions to ensure they are called with the right arguments during testing.")
     (license license:gpl3+)))
+
+(define-public emacs-wordnut
+  (let ((commit "feac531404041855312c1a046bde7ea18c674915")
+        (revision "0"))
+    (package
+      (name "emacs-wordnut")
+      (version (git-version "0.1" revision commit))
+      (home-page "https://github.com/gromnitsky/wordnut")
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference (url home-page) (commit commit)))
+                (sha256
+                 (base32
+                  "1jl0b6g64a9w0q7bfvwha67vgws5xd15b7mkfyb5gkz3pymqhfxn"))
+                (patches
+                 (search-patches "emacs-wordnut-require-adaptive-wrap.patch"))
+                (file-name (git-file-name name version))))
+      (build-system emacs-build-system)
+      (propagated-inputs
+       `(("wordnet" ,wordnet)
+         ("emacs-adaptive-wrap" ,emacs-adaptive-wrap)))
+      (synopsis "Major mode for WordNet")
+      (description "This Emacs package provides an interface for
+@code{wordnet}.  Features include completion, if the query is not found
+too ambiguous and navigation in the result buffer.")
+      (license license:gpl3+))))

gnu/packages/patches/emacs-wordnut-require-adaptive-wrap.patch

@@ -0,0 +1,20 @@
+Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
+
+This patch forces the use of adaptive-wrap. This feature is optional but we
+prefer to enable it by default.
+
+diff --git a/wordnut.el b/wordnut.el
+index 0ae86ad..72f9221 100644
+--- a/wordnut.el
++++ b/wordnut.el
+@@ -4,6 +4,7 @@
+ (require 'subr-x)
+ (require 'outline)
+ (require 'imenu)
++(require 'adaptive-wrap)
+ 
+ (require 'wordnut-history)
+ 
+-- 
+2.17.1
+