add support for Emacs desktop files

lib/linguist/languages.yml

@@ -810,9 +810,11 @@ Emacs Lisp:
   - emacs
   filenames:
   - .emacs
+  - .emacs.desktop
   extensions:
   - .el
   - .emacs
+  - .emacs.desktop
   ace_mode: lisp
 
 EmberScript:

samples/Emacs Lisp/.emacs.desktop

@@ -0,0 +1,29 @@
+;; -*- mode: emacs-lisp; coding: emacs-mule; -*-
+;; --------------------------------------------------------------------------
+;; Desktop File for Emacs
+;; --------------------------------------------------------------------------
+;; Created Sat Jan  3 12:46:35 2015
+;; Desktop file format version 206
+;; Emacs version 24.3.1
+
+;; Global section:
+(setq desktop-missing-file-warning nil)
+(setq tags-file-name nil)
+(setq tags-table-list nil)
+(setq search-ring nil)
+(setq regexp-search-ring nil)
+(setq register-alist nil)
+(setq file-name-history nil)
+
+;; Buffer section -- buffers listed in same order as in buffer list:
+(desktop-create-buffer 206
+  "/home/foo/bar"
+  "bar"
+  'fundamental-mode
+  nil
+  11572
+  '(11554 nil)
+  nil
+  nil
+  '((buffer-file-coding-system . undecided-unix)))
+