Spell "backend" and "frontend" without hyphens

That spelling is easier, and Emacs's own manual uses it (e.g. "font backends").
It also uses "back end" in other places, which is a bit inconsistent, but never
uses the version with a hyphen.

company-abbrev.el

@@ -1,4 +1,4 @@
-;;; company-abbrev.el --- company-mode completion back-end for abbrev
+;;; company-abbrev.el --- company-mode completion backend for abbrev
 
 ;; Copyright (C) 2009-2011, 2015  Free Software Foundation, Inc.
 
@@ -35,7 +35,7 @@
 
 ;;;###autoload
 (defun company-abbrev (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for abbrev."
+  "`company-mode' completion backend for abbrev."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-abbrev

company-bbdb.el

@@ -1,4 +1,4 @@
-;;; company-bbdb.el --- company-mode completion back-end for BBDB in message-mode
+;;; company-bbdb.el --- company-mode completion backend for BBDB in message-mode
 
 ;; Copyright (C) 2013-2014  Free Software Foundation, Inc.
 
@@ -28,7 +28,7 @@
 (declare-function bbdb-search "bbdb-com")
 
 (defgroup company-bbdb nil
-  "Completion back-end for BBDB."
+  "Completion backend for BBDB."
   :group 'company)
 
 (defcustom company-bbdb-modes '(message-mode)
@@ -44,7 +44,7 @@
 
 ;;;###autoload
 (defun company-bbdb (command &optional arg &rest ignore)
-  "`company-mode' completion back-end for BBDB."
+  "`company-mode' completion backend for BBDB."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-bbdb))

company-capf.el

@@ -1,4 +1,4 @@
-;;; company-capf.el --- company-mode completion-at-point-functions back-end -*- lexical-binding: t -*-
+;;; company-capf.el --- company-mode completion-at-point-functions backend -*- lexical-binding: t -*-
 
 ;; Copyright (C) 2013-2015  Free Software Foundation, Inc.
 
@@ -54,7 +54,7 @@
     (when (and (consp (cdr data)) (integer-or-marker-p (nth 1 data))) data)))
 
 (defun company-capf (command &optional arg &rest _args)
-  "`company-mode' back-end using `completion-at-point-functions'."
+  "`company-mode' backend using `completion-at-point-functions'."
   (interactive (list 'interactive))
   (pcase command
     (`interactive (company-begin-backend 'company-capf))

company-clang.el

@@ -1,4 +1,4 @@
-;;; company-clang.el --- company-mode completion back-end for Clang  -*- lexical-binding: t -*-
+;;; company-clang.el --- company-mode completion backend for Clang  -*- lexical-binding: t -*-
 
 ;; Copyright (C) 2009, 2011, 2013-2015  Free Software Foundation, Inc.
 
@@ -30,7 +30,7 @@
 (require 'cl-lib)
 
 (defgroup company-clang nil
-  "Completion back-end for Clang."
+  "Completion backend for Clang."
   :group 'company)
 
 (defcustom company-clang-executable
@@ -290,7 +290,7 @@ or automatically through a custom `company-clang-prefix-guesser'."
       0)))
 
 (defun company-clang (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for Clang.
+  "`company-mode' completion backend for Clang.
 Clang is a parser for C and ObjC.  Clang version 1.1 or newer is required.
 
 Additional command line arguments can be specified in

company-cmake.el

@@ -1,4 +1,4 @@
-;;; company-cmake.el --- company-mode completion back-end for CMake
+;;; company-cmake.el --- company-mode completion backend for CMake
 
 ;; Copyright (C) 2013-2014  Free Software Foundation, Inc.
 
@@ -29,7 +29,7 @@
 (require 'cl-lib)
 
 (defgroup company-cmake nil
-  "Completion back-end for CMake."
+  "Completion backend for CMake."
   :group 'company)
 
 (defcustom company-cmake-executable
@@ -178,7 +178,7 @@ They affect which types of symbols we get completion candidates for.")
                                        (point-max))))))
 
 (defun company-cmake (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for CMake.
+  "`company-mode' completion backend for CMake.
 CMake is a cross-platform, open-source make system."
   (interactive (list 'interactive))
   (cl-case command

company-css.el

@@ -1,4 +1,4 @@
-;;; company-css.el --- company-mode completion back-end for css-mode  -*- lexical-binding: t -*-
+;;; company-css.el --- company-mode completion backend for css-mode  -*- lexical-binding: t -*-
 
 ;; Copyright (C) 2009, 2011, 2014  Free Software Foundation, Inc.
 
@@ -413,7 +413,7 @@ Returns \"\" if no property found, but feasible at this position."
 
 ;;;###autoload
 (defun company-css (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for `css-mode'."
+  "`company-mode' completion backend for `css-mode'."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-css))

company-dabbrev-code.el

@@ -1,4 +1,4 @@
-;;; company-dabbrev-code.el --- dabbrev-like company-mode back-end for code  -*- lexical-binding: t -*-
+;;; company-dabbrev-code.el --- dabbrev-like company-mode backend for code  -*- lexical-binding: t -*-
 
 ;; Copyright (C) 2009, 2011, 2014  Free Software Foundation, Inc.
 
@@ -30,7 +30,7 @@
 (require 'cl-lib)
 
 (defgroup company-dabbrev-code nil
-  "dabbrev-like completion back-end for code."
+  "dabbrev-like completion backend for code."
   :group 'company)
 
 (defcustom company-dabbrev-code-modes
@@ -40,7 +40,7 @@
   "Modes that use `company-dabbrev-code'.
 In all these modes (and their derivatives) `company-dabbrev-code' will
 complete only symbols, not text in comments or strings.  In other modes
-`company-dabbrev-code' will pass control to other back-ends
+`company-dabbrev-code' will pass control to other backends
 \(e.g. `company-dabbrev'\).  Value t means complete in all modes."
   :type '(choice (repeat (symbol :tag "Major mode"))
                  (const tag "All modes" t)))
@@ -77,8 +77,8 @@ also `company-dabbrev-code-time-limit'."
 
 ;;;###autoload
 (defun company-dabbrev-code (command &optional arg &rest ignored)
-  "dabbrev-like `company-mode' back-end for code.
-The back-end looks for all symbols in the current buffer that aren't in
+  "dabbrev-like `company-mode' backend for code.
+The backend looks for all symbols in the current buffer that aren't in
 comments or strings."
   (interactive (list 'interactive))
   (cl-case command

company-dabbrev.el

@@ -1,4 +1,4 @@
-;;; company-dabbrev.el --- dabbrev-like company-mode completion back-end  -*- lexical-binding: t -*-
+;;; company-dabbrev.el --- dabbrev-like company-mode completion backend  -*- lexical-binding: t -*-
 
 ;; Copyright (C) 2009, 2011, 2014, 2015  Free Software Foundation, Inc.
 
@@ -29,7 +29,7 @@
 (require 'cl-lib)
 
 (defgroup company-dabbrev nil
-  "dabbrev-like completion back-end."
+  "dabbrev-like completion backend."
   :group 'company)
 
 (defcustom company-dabbrev-other-buffers 'all
@@ -145,7 +145,7 @@ This variable affects both `company-dabbrev' and `company-dabbrev-code'."
 
 ;;;###autoload
 (defun company-dabbrev (command &optional arg &rest ignored)
-  "dabbrev-like `company-mode' completion back-end."
+  "dabbrev-like `company-mode' completion backend."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-dabbrev))

company-eclim.el

@@ -1,4 +1,4 @@
-;;; company-eclim.el --- company-mode completion back-end for Eclim
+;;; company-eclim.el --- company-mode completion backend for Eclim
 
 ;; Copyright (C) 2009, 2011, 2013, 2015  Free Software Foundation, Inc.
 
@@ -21,10 +21,10 @@
 
 ;;; Commentary:
 ;;
-;; Using `emacs-eclim' together with (or instead of) this back-end is
+;; Using `emacs-eclim' together with (or instead of) this backend is
 ;; recommended, as it allows you to use other Eclim features.
 ;;
-;; The alternative back-end provided by `emacs-eclim' uses `yasnippet'
+;; The alternative backend provided by `emacs-eclim' uses `yasnippet'
 ;; instead of `company-template' to expand function calls, and it supports
 ;; some languages other than Java.
 
@@ -35,7 +35,7 @@
 (require 'cl-lib)
 
 (defgroup company-eclim nil
-  "Completion back-end for Eclim."
+  "Completion backend for Eclim."
   :group 'company)
 
 (defun company-eclim-executable-find ()
@@ -155,7 +155,7 @@ eclim can only complete correctly when the buffer has been saved."
       prefix)))
 
 (defun company-eclim (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for Eclim.
+  "`company-mode' completion backend for Eclim.
 Eclim provides access to Eclipse Java IDE features for other editors.
 
 Eclim version 1.7.13 or newer (?) is required.

company-elisp.el

@@ -1,4 +1,4 @@
-;;; company-elisp.el --- company-mode completion back-end for Emacs Lisp -*- lexical-binding: t -*-
+;;; company-elisp.el --- company-mode completion backend for Emacs Lisp -*- lexical-binding: t -*-
 
 ;; Copyright (C) 2009, 2011-2013  Free Software Foundation, Inc.
 
@@ -31,7 +31,7 @@
 (require 'find-func)
 
 (defgroup company-elisp nil
-  "Completion back-end for Emacs Lisp."
+  "Completion backend for Emacs Lisp."
   :group 'company)
 
 (defcustom company-elisp-detect-function-context t
@@ -193,7 +193,7 @@ first in the candidates list."
 
 ;;;###autoload
 (defun company-elisp (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for Emacs Lisp."
+  "`company-mode' completion backend for Emacs Lisp."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-elisp))

company-etags.el

@@ -1,4 +1,4 @@
-;;; company-etags.el --- company-mode completion back-end for etags
+;;; company-etags.el --- company-mode completion backend for etags
 
 ;; Copyright (C) 2009-2011, 2014  Free Software Foundation, Inc.
 
@@ -30,7 +30,7 @@
 (require 'etags)
 
 (defgroup company-etags nil
-  "Completion back-end for etags."
+  "Completion backend for etags."
   :group 'company)
 
 (defcustom company-etags-use-main-table-list t
@@ -76,7 +76,7 @@ buffer automatically."
 
 ;;;###autoload
 (defun company-etags (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for etags."
+  "`company-mode' completion backend for etags."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-etags))

company-files.el

@@ -1,4 +1,4 @@
-;;; company-files.el --- company-mode completion back-end for file paths
+;;; company-files.el --- company-mode completion backend for file paths
 
 ;; Copyright (C) 2009-2011, 2014-2015  Free Software Foundation, Inc.
 
@@ -94,7 +94,7 @@
 
 ;;;###autoload
 (defun company-files (command &optional arg &rest ignored)
-  "`company-mode' completion back-end existing file names.
+  "`company-mode' completion backend existing file names.
 Completions works for proper absolute and relative files paths.
 File paths with spaces are only supported inside strings."
   (interactive (list 'interactive))

company-gtags.el

@@ -1,4 +1,4 @@
-;;; company-gtags.el --- company-mode completion back-end for GNU Global
+;;; company-gtags.el --- company-mode completion backend for GNU Global
 
 ;; Copyright (C) 2009-2011, 2014  Free Software Foundation, Inc.
 
@@ -30,7 +30,7 @@
 (require 'cl-lib)
 
 (defgroup company-gtags nil
-  "Completion back-end for GNU Global."
+  "Completion backend for GNU Global."
   :group 'company)
 
 (defcustom company-gtags-executable
@@ -91,7 +91,7 @@ completion."
 
 ;;;###autoload
 (defun company-gtags (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for GNU Global."
+  "`company-mode' completion backend for GNU Global."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-gtags))

company-ispell.el

@@ -1,4 +1,4 @@
-;;; company-ispell.el --- company-mode completion back-end using Ispell
+;;; company-ispell.el --- company-mode completion backend using Ispell
 
 ;; Copyright (C) 2009-2011, 2013-2015  Free Software Foundation, Inc.
 
@@ -30,7 +30,7 @@
 (require 'ispell)
 
 (defgroup company-ispell nil
-  "Completion back-end using Ispell."
+  "Completion backend using Ispell."
   :group 'company)
 
 (defcustom company-ispell-dictionary nil
@@ -54,7 +54,7 @@ If nil, use `ispell-complete-word-dict'."
 
 ;;;###autoload
 (defun company-ispell (command &optional arg &rest ignored)
-  "`company-mode' completion back-end using Ispell."
+  "`company-mode' completion backend using Ispell."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-ispell))

company-keywords.el

@@ -1,4 +1,4 @@
-;;; company-keywords.el --- A company back-end for programming language keywords
+;;; company-keywords.el --- A company backend for programming language keywords
 
 ;; Copyright (C) 2009-2011  Free Software Foundation, Inc.
 
@@ -223,7 +223,7 @@
 
 ;;;###autoload
 (defun company-keywords (command &optional arg &rest ignored)
-  "`company-mode' back-end for programming language keywords."
+  "`company-mode' backend for programming language keywords."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-keywords))

company-nxml.el

@@ -1,4 +1,4 @@
-;;; company-nxml.el --- company-mode completion back-end for nxml-mode
+;;; company-nxml.el --- company-mode completion backend for nxml-mode
 
 ;; Copyright (C) 2009-2011, 2013  Free Software Foundation, Inc.
 
@@ -121,7 +121,7 @@
 
 ;;;###autoload
 (defun company-nxml (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for `nxml-mode'."
+  "`company-mode' completion backend for `nxml-mode'."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-nxml))

company-oddmuse.el

@@ -1,4 +1,4 @@
-;;; company-oddmuse.el --- company-mode completion back-end for oddmuse-mode
+;;; company-oddmuse.el --- company-mode completion backend for oddmuse-mode
 
 ;; Copyright (C) 2009-2011, 2014  Free Software Foundation, Inc.
 
@@ -42,7 +42,7 @@
 
 ;;;###autoload
 (defun company-oddmuse (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for `oddmuse-mode'."
+  "`company-mode' completion backend for `oddmuse-mode'."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-oddmuse))

company-semantic.el

@@ -1,4 +1,4 @@
-;;; company-semantic.el --- company-mode completion back-end using Semantic
+;;; company-semantic.el --- company-mode completion backend using Semantic
 
 ;; Copyright (C) 2009-2011, 2013  Free Software Foundation, Inc.
 
@@ -40,7 +40,7 @@
 (declare-function semantic-active-p "semantic")
 
 (defgroup company-semantic nil
-  "Completion back-end using Semantic."
+  "Completion backend using Semantic."
   :group 'company)
 
 (defcustom company-semantic-metadata-function 'company-semantic-summary-and-doc
@@ -126,7 +126,7 @@ Symbols are chained by \".\" or \"->\"."
 
 ;;;###autoload
 (defun company-semantic (command &optional arg &rest ignored)
-  "`company-mode' completion back-end using CEDET Semantic."
+  "`company-mode' completion backend using CEDET Semantic."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-semantic))