Activate lexical binding in some libraries

* lisp/ob-C.el (org-babel-prep-session:C):
(org-babel-load-session:C):
* lisp/ob-J.el:
(org-babel-expand-body:J):
(org-babel-execute:J):
* lisp/ob-R.el:
(org-babel-expand-body:R):
* lisp/ob-abc.el:
(org-babel-execute:abc):
(org-babel-prep-session:abc):
* lisp/ob-asymptote.el:
(org-babel-execute:asymptote):
(org-babel-prep-session:asymptote):
* lisp/ob-awk.el:
(org-babel-expand-body:awk):
* lisp/ob-calc.el:
(org-babel-expand-body:calc):
* lisp/ob-clojure.el:
* lisp/ob-comint.el:
(org-babel-comint-in-buffer):
(org-babel-comint-with-output):
(org-babel-comint-eval-invisibly-and-wait-for-file):
* lisp/ob-coq.el:
* lisp/ob-css.el:
(org-babel-execute:css):
(org-babel-prep-session:css):
* lisp/ob-ditaa.el:
(org-babel-execute:ditaa):
(org-babel-prep-session:ditaa):
* lisp/ob-dot.el:
(org-babel-execute:dot):
(org-babel-prep-session:dot):
* lisp/ob-ebnf.el:
* lisp/ob-emacs-lisp.el:
* lisp/ob-eval.el:
* lisp/ob-forth.el:
* lisp/ob-fortran.el:
(org-babel-execute:fortran):
(org-babel-prep-session:fortran):
(org-babel-load-session:fortran):
* lisp/ob-gnuplot.el:
(org-babel-expand-body:gnuplot):
(org-babel-prep-session:gnuplot):
(org-babel-gnuplot-initiate-session):
* lisp/ob-groovy.el:
(org-babel-prep-session:groovy):
(org-babel-groovy-initiate-session):
* lisp/ob-haskell.el:
(org-babel-haskell-initiate-session):
* lisp/ob-io.el:
(org-babel-prep-session:io):
(org-babel-io-initiate-session):
* lisp/ob-java.el:
(org-babel-execute:java):
* lisp/ob-js.el:
* lisp/ob-keys.el:
* lisp/ob-latex.el:
(org-babel-prep-session:latex):
* lisp/ob-ledger.el:
(org-babel-execute:ledger):
(org-babel-prep-session:ledger):
* lisp/ob-lilypond.el:
(org-babel-lilypond-commands):
(org-babel-lilypond-process-basic):
(org-babel-prep-session:lilypond):
(org-babel-lilypond-parse-line-num):
* lisp/ob-lisp.el:
* lisp/ob-makefile.el:
(org-babel-execute:makefile):
(org-babel-prep-session:makefile):
* lisp/ob-matlab.el:
* lisp/ob-maxima.el:
(org-babel-prep-session:maxima):
* lisp/ob-mscgen.el:
(org-babel-prep-session:mscgen):
* lisp/ob-ocaml.el:
(org-babel-execute:ocaml):
(org-babel-prep-session:ocaml):
* lisp/ob-octave.el:
(org-babel-execute:octave):
(org-babel-octave-initiate-session):
* lisp/ob-org.el:
(org-babel-prep-session:org):
* lisp/ob-perl.el:
(org-babel-prep-session:perl):
(org-babel-perl--var-to-perl):
(org-babel-perl-initiate-session):
* lisp/ob-picolisp.el:
(org-babel-expand-body:picolisp):
(org-babel-execute:picolisp):
* lisp/ob-plantuml.el:
(org-babel-execute:plantuml):
(org-babel-prep-session:plantuml):
* lisp/ob-processing.el:
(org-babel-prep-session:processing):
* lisp/ob-python.el:
(org-babel-python-initiate-session):
* lisp/ob-ref.el:
(org-babel-ref-resolve):
* lisp/ob-ruby.el:
(org-babel-ruby-initiate-session):
* lisp/ob-sass.el:
(org-babel-execute:sass):
(org-babel-prep-session:sass):
* lisp/ob-scala.el:
(org-babel-execute:scala):
(org-babel-prep-session:scala):
(org-babel-scala-initiate-session):
* lisp/ob-scheme.el:
* lisp/ob-screen.el:
(org-babel-prep-session:screen):
(org-babel-screen-session-write-temp-file):
(org-babel-screen-test):
* lisp/ob.el:
* lisp/org-colview.el:
(org-columns-todo):
(org-columns-set-tags-or-toggle):
(org-columns-new):
(org-columns-uncompile-format):
(org-agenda-colview-summarize):
* lisp/org-footnote.el:
(electric-indent-mode):
* lisp/org-indent.el:
(org-indent-refresh-maybe):
* lisp/org-list.el:
* lisp/org-macro.el:
(org-macro--collect-macros):
* lisp/org-src.el:
* lisp/org-table.el:
(sort-fold-case):
(org-table-create):
(org-table-field-info):
(org-table-transpose-table-at-point):
(org-table-remove-rectangle-highlight):
(orgtbl-create-or-convert-from-region):
(org-define-lookup-function):
* lisp/ox-ascii.el:
(org-ascii-format-drawer-function):
(org-ascii--has-caption-p):
(org-ascii-bold):
(org-ascii-center-block):
(org-ascii-clock):
(org-ascii-code):
(org-ascii-dynamic-block):
(org-ascii-entity):
(org-ascii-example-block):
(org-ascii-export-snippet):
(org-ascii-export-block):
(org-ascii-fixed-width):
(org-ascii-footnote-reference):
(org-ascii-horizontal-rule):
(org-ascii-inline-src-block):
(org-ascii-format-inlinetask-default):
(org-ascii-italic):
(org-ascii-keyword):
(org-ascii-latex-environment):
(org-ascii-latex-fragment):
(org-ascii-line-break):
(org-ascii-node-property):
(org-ascii-planning):
(org-ascii-quote-block):
(org-ascii-radio-target):
(org-ascii-special-block):
(org-ascii-src-block):
(org-ascii-statistics-cookie):
(org-ascii-subscript):
(org-ascii-superscript):
(org-ascii-strike-through):
(org-ascii-timestamp):
(org-ascii-underline):
(org-ascii-verbatim):
(org-ascii-verse-block):
(org-ascii-filter-headline-blank-lines):
(org-ascii-filter-paragraph-spacing):
(org-ascii-filter-comment-spacing): Use lexical binding.

lisp/ob-C.el

@@ -1,4 +1,4 @@
-;;; ob-C.el --- org-babel functions for C and similar languages
+;;; ob-C.el --- Babel Functions for C and Similar Languages -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 
@@ -265,12 +265,12 @@ it's header arguments."
       body
     (format "int main() {\n%s\nreturn 0;\n}\n" body)))
 
-(defun org-babel-prep-session:C (session params)
+(defun org-babel-prep-session:C (_session _params)
   "This function does nothing as C is a compiled language with no
 support for sessions"
   (error "C is a compiled languages -- no support for sessions"))
 
-(defun org-babel-load-session:C (session body params)
+(defun org-babel-load-session:C (_session _body _params)
   "This function does nothing as C is a compiled language with no
 support for sessions"
   (error "C is a compiled languages -- no support for sessions"))

lisp/ob-J.el

@@ -1,4 +1,4 @@
-;;; ob-J.el --- org-babel functions for J evaluation
+;;; ob-J.el --- Babel Functions for J                -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2011-2013 Free Software Foundation, Inc.
 
@@ -34,7 +34,7 @@
 (declare-function org-trim "org" (S))
 (declare-function j-console-ensure-session "ext:j-console" ())
 
-(defun org-babel-expand-body:J (body params &optional processed-params)
+(defun org-babel-expand-body:J (body _params &optional _processed-params)
   "Expand BODY according to PARAMS, return the expanded body.
 PROCESSED-PARAMS isn't used yet."
   (org-babel-J-interleave-echos-except-functions body))
@@ -66,13 +66,10 @@ This function is called by `org-babel-execute-src-block'"
   (message "executing J source code block")
   (let* ((processed-params (org-babel-process-params params))
 	 (sessionp (cdr (assoc :session params)))
-         (session (org-babel-j-initiate-session sessionp))
-         (vars (nth 2 processed-params))
-         (result-params (nth 3 processed-params))
-         (result-type (nth 4 processed-params))
          (full-body (org-babel-expand-body:J
                      body params processed-params))
 	 (tmp-script-file (org-babel-temp-file "J-src")))
+    (org-babel-j-initiate-session sessionp)
     (org-babel-J-strip-whitespace
      (if (string= sessionp "none")
 	 (progn

lisp/ob-R.el

@@ -1,4 +1,4 @@
-;;; ob-R.el --- org-babel functions for R code evaluation
+;;; ob-R.el --- Babel Functions for R                -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -139,7 +139,7 @@ This function is used when the table contains a header.")
 
 This function is used when the table does not contain a header.")
 
-(defun org-babel-expand-body:R (body params &optional graphics-file)
+(defun org-babel-expand-body:R (body params &optional &graphics-file)
   "Expand BODY according to PARAMS, return the expanded body."
   (mapconcat 'identity
 	     (append

lisp/ob-abc.el

@@ -1,4 +1,4 @@
-;;; ob-abc.el --- org-babel functions for template evaluation
+;;; ob-abc.el --- Org Babel Functions for ABC -*- lexical-binding: t; -*-
 
 ;; Copyright (C) Free Software Foundation
 
@@ -59,12 +59,10 @@
   "Execute a block of ABC code with org-babel.  This function is
    called by `org-babel-execute-src-block'"
   (message "executing Abc source code block")
-  (let* ((result-params (split-string (or (cdr (assoc :results params)))))
-	 (cmdline (cdr (assoc :cmdline params)))
-	 (out-file ((lambda (el)
-		      (or el
-			  (error "abc code block requires :file header argument")))
-		    (replace-regexp-in-string "\.pdf$" ".ps" (cdr (assoc :file params)))))
+  (let* ((cmdline (cdr (assoc :cmdline params)))
+	 (out-file (let ((file (cdr (assq :file params))))
+		     (if file (replace-regexp-in-string "\.pdf$" ".ps" file)
+		       (error "abc code block requires :file header argument"))))
 	 (in-file (org-babel-temp-file "abc-"))
 	 (render (concat "abcm2ps" " " cmdline
 		      " -O " (org-babel-process-file-name out-file)
@@ -86,7 +84,7 @@
 
 ;; This function should be used to assign any variables in params in
 ;; the context of the session environment.
-(defun org-babel-prep-session:abc (session params)
+(defun org-babel-prep-session:abc (_session _params)
   "Return an error because abc does not support sessions."
   (error "ABC does not support sessions"))
 

lisp/ob-asymptote.el

@@ -1,4 +1,4 @@
-;;; ob-asymptote.el --- org-babel functions for asymptote evaluation
+;;; ob-asymptote.el --- Babel Functions for Asymptote -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -55,8 +55,7 @@
 (defun org-babel-execute:asymptote (body params)
   "Execute a block of Asymptote code.
 This function is called by `org-babel-execute-src-block'."
-  (let* ((result-params (split-string (or (cdr (assoc :results params)) "")))
-         (out-file (cdr (assoc :file params)))
+  (let* ((out-file (cdr (assoc :file params)))
          (format (or (and out-file
                           (string-match ".+\\.\\(.+\\)" out-file)
                           (match-string 1 out-file))
@@ -79,7 +78,7 @@ This function is called by `org-babel-execute-src-block'."
     (message cmd) (shell-command cmd)
     nil)) ;; signal that output has already been written to file
 
-(defun org-babel-prep-session:asymptote (session params)
+(defun org-babel-prep-session:asymptote (_session _params)
   "Return an error if the :session header argument is set.
 Asymptote does not support sessions"
   (error "Asymptote does not support sessions"))

lisp/ob-awk.el

@@ -1,4 +1,4 @@
-;;; ob-awk.el --- org-babel functions for awk evaluation
+;;; ob-awk.el --- Babel Functions for Awk            -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2011-2015 Free Software Foundation, Inc.
 
@@ -44,7 +44,7 @@
 (defvar org-babel-awk-command "awk"
   "Name of the awk executable command.")
 
-(defun org-babel-expand-body:awk (body params)
+(defun org-babel-expand-body:awk (body _params)
   "Expand BODY according to PARAMS, return the expanded body."
   body)
 

lisp/ob-calc.el

@@ -1,4 +1,4 @@
-;;; ob-calc.el --- org-babel functions for calc code evaluation
+;;; ob-calc.el --- Babel Functions for Calc          -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 
@@ -39,7 +39,7 @@
 (defvar org-babel-default-header-args:calc nil
   "Default arguments for evaluating an calc source block.")
 
-(defun org-babel-expand-body:calc (body params)
+(defun org-babel-expand-body:calc (body _params)
   "Expand BODY according to PARAMS, return the expanded body." body)
 
 (defvar org--var-syms) ; Dynamically scoped from org-babel-execute:calc

lisp/ob-clojure.el

@@ -1,4 +1,4 @@
-;;; ob-clojure.el --- org-babel functions for clojure evaluation
+;;; ob-clojure.el --- Babel Functions for Clojure    -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 

lisp/ob-comint.el

@@ -1,4 +1,4 @@
-;;; ob-comint.el --- org-babel functions for interaction with comint buffers
+;;; ob-comint.el --- Babel Functions for Interaction with Comint Buffers -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -53,7 +53,7 @@ executed inside the protection of `save-excursion' and
        (error "Buffer %s does not exist or has no process" ,buffer))
      (save-match-data
        (with-current-buffer ,buffer
-	 (let ((comint-input-filter (lambda (input) nil)))
+	 (let ((comint-input-filter (lambda (_input) nil)))
 	   ,@body)))))
 (def-edebug-spec org-babel-comint-in-buffer (form body))
 
@@ -79,7 +79,7 @@ or user `keyboard-quit' during execution of body."
 	      (comint-output-filter-functions
 	       (cons (lambda (text) (setq string-buffer (concat string-buffer text)))
 		     comint-output-filter-functions))
-	      dangling-text raw)
+	      dangling-text)
 	 ;; got located, and save dangling text
 	 (goto-char (process-mark (get-buffer-process (current-buffer))))
 	 (let ((start (point))
@@ -107,12 +107,12 @@ or user `keyboard-quit' during execution of body."
 	 (insert dangling-text)
 
 	 ;; remove echo'd FULL-BODY from input
-	 (if (and ,remove-echo ,full-body
-		  (string-match
-		   (replace-regexp-in-string
-		    "\n" "[\r\n]+" (regexp-quote (or ,full-body "")))
-		   string-buffer))
-	     (setq raw (substring string-buffer (match-end 0))))
+	 (when (and ,remove-echo ,full-body
+		    (string-match
+		     (replace-regexp-in-string
+		      "\n" "[\r\n]+" (regexp-quote (or ,full-body "")))
+		     string-buffer))
+	   (setq string-buffer (substring string-buffer (match-end 0))))
 	 (split-string string-buffer comint-prompt-regexp)))))
 (def-edebug-spec org-babel-comint-with-output (sexp body))
 
@@ -153,7 +153,7 @@ FILE exists at end of evaluation."
   (if (file-remote-p default-directory)
       (let (v)
 	(with-parsed-tramp-file-name default-directory nil
-				     (tramp-flush-directory-property v ""))))
+	  (tramp-flush-directory-property v ""))))
   (while (not (file-exists-p file)) (sit-for (or period 0.25))))
 
 (provide 'ob-comint)

lisp/ob-coq.el

@@ -1,4 +1,4 @@
-;;; ob-coq.el --- org-babel functions for Coq
+;;; ob-coq.el --- Babel Functions for Coq            -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 

lisp/ob-css.el

@@ -1,4 +1,4 @@
-;;; ob-css.el --- org-babel functions for css evaluation
+;;; ob-css.el --- Babel Functions for CSS            -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -31,12 +31,12 @@
 
 (defvar org-babel-default-header-args:css '())
 
-(defun org-babel-execute:css (body params)
+(defun org-babel-execute:css (body _params)
   "Execute a block of CSS code.
 This function is called by `org-babel-execute-src-block'."
   body)
 
-(defun org-babel-prep-session:css (session params)
+(defun org-babel-prep-session:css (_session _params)
   "Return an error if the :session header argument is set.
 CSS does not support sessions."
   (error "CSS sessions are nonsensical"))

lisp/ob-ditaa.el

@@ -1,4 +1,4 @@
-;;; ob-ditaa.el --- org-babel functions for ditaa evaluation
+;;; ob-ditaa.el --- Babel Functions for ditaa        -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -81,11 +81,9 @@ Do not leave leading or trailing spaces in this string."
 (defun org-babel-execute:ditaa (body params)
   "Execute a block of Ditaa code with org-babel.
 This function is called by `org-babel-execute-src-block'."
-  (let* ((result-params (split-string (or (cdr (assoc :results params)) "")))
-	 (out-file (let ((el (cdr (assoc :file params))))
-                     (or el
-                         (error
-                          "ditaa code block requires :file header argument"))))
+  (let* ((out-file (or (cdr (assoc :file params))
+		       (error
+			"ditaa code block requires :file header argument")))
 	 (cmdline (cdr (assoc :cmdline params)))
 	 (java (cdr (assoc :java params)))
 	 (in-file (org-babel-temp-file "ditaa-"))
@@ -115,7 +113,7 @@ This function is called by `org-babel-execute-src-block'."
     (when pdf-cmd (message pdf-cmd) (shell-command pdf-cmd))
     nil)) ;; signal that output has already been written to file
 
-(defun org-babel-prep-session:ditaa (session params)
+(defun org-babel-prep-session:ditaa (_session _params)
   "Return an error because ditaa does not support sessions."
   (error "Ditaa does not support sessions"))
 

lisp/ob-dot.el

@@ -1,4 +1,4 @@
-;;; ob-dot.el --- org-babel functions for dot evaluation
+;;; ob-dot.el --- Babel Functions for dot            -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -64,8 +64,7 @@
 (defun org-babel-execute:dot (body params)
   "Execute a block of Dot code with org-babel.
 This function is called by `org-babel-execute-src-block'."
-  (let* ((result-params (cdr (assoc :result-params params)))
-	 (out-file (cdr (or (assoc :file params)
+  (let* ((out-file (cdr (or (assoc :file params)
 			    (error "You need to specify a :file parameter"))))
 	 (cmdline (or (cdr (assoc :cmdline params))
 		      (format "-T%s" (file-name-extension out-file))))
@@ -80,7 +79,7 @@ This function is called by `org-babel-execute-src-block'."
 	     " -o " (org-babel-process-file-name out-file)) "")
     nil)) ;; signal that output has already been written to file
 
-(defun org-babel-prep-session:dot (session params)
+(defun org-babel-prep-session:dot (_session _params)
   "Return an error because Dot does not support sessions."
   (error "Dot does not support sessions"))
 

lisp/ob-ebnf.el

@@ -1,4 +1,4 @@
-;;; ob-ebnf.el --- org-babel functions for ebnf evaluation
+;;; ob-ebnf.el --- Babel Functions for EBNF          -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2013 Free Software Foundation, Inc.
 
@@ -58,9 +58,7 @@ called by `org-babel-execute-src-block'"
 	   (dest-dir (file-name-directory dest-file))
 	   (dest-root (file-name-sans-extension
 		       (file-name-nondirectory dest-file)))
-           (dest-ext  (file-name-extension dest-file))
 	   (style (cdr (assoc :style params)))
-	   (current-dir default-directory)
 	   (result nil))
       (with-temp-buffer
 	(when style (ebnf-push-style style))

lisp/ob-emacs-lisp.el

@@ -1,4 +1,4 @@
-;;; ob-emacs-lisp.el --- org-babel functions for emacs-lisp code evaluation
+;;; ob-emacs-lisp.el --- Babel Functions for Emacs-lisp Code -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 

lisp/ob-eval.el

@@ -1,4 +1,4 @@
-;;; ob-eval.el --- org-babel functions for external code evaluation
+;;; ob-eval.el --- Babel Functions for External Code Evaluation -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 

lisp/ob-forth.el

@@ -1,4 +1,4 @@
-;;; ob-forth.el --- org-babel functions for Forth
+;;; ob-forth.el --- Babel Functions for Forth        -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2014 Free Software Foundation, Inc.
 

lisp/ob-fortran.el

@@ -1,4 +1,4 @@
-;;; ob-fortran.el --- org-babel functions for fortran
+;;; ob-fortran.el --- Babel Functions for Fortran    -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2011-2015 Free Software Foundation, Inc.
 
@@ -50,17 +50,15 @@
          (tmp-bin-file (org-babel-temp-file "fortran-bin-" org-babel-exeext))
          (cmdline (cdr (assoc :cmdline params)))
          (flags (cdr (assoc :flags params)))
-         (full-body (org-babel-expand-body:fortran body params))
-         (compile
-	  (progn
-	    (with-temp-file tmp-src-file (insert full-body))
-	    (org-babel-eval
-	     (format "%s -o %s %s %s"
-		     org-babel-fortran-compiler
-		     (org-babel-process-file-name tmp-bin-file)
-		     (mapconcat 'identity
-				(if (listp flags) flags (list flags)) " ")
-		     (org-babel-process-file-name tmp-src-file)) ""))))
+         (full-body (org-babel-expand-body:fortran body params)))
+    (with-temp-file tmp-src-file (insert full-body))
+    (org-babel-eval
+     (format "%s -o %s %s %s"
+	     org-babel-fortran-compiler
+	     (org-babel-process-file-name tmp-bin-file)
+	     (mapconcat 'identity
+			(if (listp flags) flags (list flags)) " ")
+	     (org-babel-process-file-name tmp-src-file)) "")
     (let ((results
            (org-babel-trim
             (org-remove-indentation
@@ -114,12 +112,12 @@ it's header arguments."
 	body)
     (format "program main\n%s\nend program main\n" body)))
 
-(defun org-babel-prep-session:fortran (session params)
+(defun org-babel-prep-session:fortran (_session _params)
   "This function does nothing as fortran is a compiled language with no
 support for sessions"
   (error "Fortran is a compiled languages -- no support for sessions"))
 
-(defun org-babel-load-session:fortran (session body params)
+(defun org-babel-load-session:fortran (_session _body _params)
   "This function does nothing as fortran is a compiled language with no
 support for sessions"
   (error "Fortran is a compiled languages -- no support for sessions"))

lisp/ob-gnuplot.el

@@ -1,4 +1,4 @@
-;;; ob-gnuplot.el --- org-babel functions for gnuplot evaluation
+;;; ob-gnuplot.el --- Babel Functions for Gnuplot    -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -109,7 +109,6 @@ code."
 			 (or (cdr (assoc (intern (downcase ext))
 					 *org-babel-gnuplot-terms*))
 			     ext)))))
-           (cmdline (cdr (assoc :cmdline params)))
            (title (cdr (assoc :title params)))
            (lines (cdr (assoc :line params)))
            (sets (cdr (assoc :set params)))
@@ -118,8 +117,7 @@ code."
            (timefmt (cdr (assoc :timefmt params)))
            (time-ind (or (cdr (assoc :timeind params))
                          (when timefmt 1)))
-	   (add-to-body (lambda (text) (setq body (concat text "\n" body))))
-           output)
+	   (add-to-body (lambda (text) (setq body (concat text "\n" body)))))
       ;; append header argument settings to body
       (when title (funcall add-to-body (format "set title '%s'" title)))
       (when lines (mapc (lambda (el) (funcall add-to-body el)) lines))
@@ -173,7 +171,6 @@ This function is called by `org-babel-execute-src-block'."
   (require 'gnuplot)
   (let ((session (cdr (assoc :session params)))
         (result-type (cdr (assoc :results params)))
-        (out-file (cdr (assoc :file params)))
         (body (org-babel-expand-body:gnuplot body params))
 	output)
     (save-window-excursion
@@ -206,10 +203,12 @@ This function is called by `org-babel-execute-src-block'."
          (var-lines (org-babel-variable-assignments:gnuplot params)))
     (message "%S" session)
     (org-babel-comint-in-buffer session
-      (mapc (lambda (var-line)
-              (insert var-line) (comint-send-input nil t)
-              (org-babel-comint-wait-for-output session)
-              (sit-for .1) (goto-char (point-max))) var-lines))
+      (dolist (var-line  var-lines)
+	(insert var-line)
+	(comint-send-input nil t)
+	(org-babel-comint-wait-for-output session)
+	(sit-for .1)
+	(goto-char (point-max))))
     session))
 
 (defun org-babel-load-session:gnuplot (session body params)
@@ -228,7 +227,7 @@ This function is called by `org-babel-execute-src-block'."
    (org-babel-gnuplot-process-vars params)))
 
 (defvar gnuplot-buffer)
-(defun org-babel-gnuplot-initiate-session (&optional session params)
+(defun org-babel-gnuplot-initiate-session (&optional session _params)
   "Initiate a gnuplot session.
 If there is not a current inferior-process-buffer in SESSION
 then create one.  Return the initialized session.  The current

lisp/ob-groovy.el

@@ -1,4 +1,4 @@
-;;; ob-groovy.el --- org-babel functions for Groovy evaluation
+;;; ob-groovy.el --- Babel Functions for Groovy      -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2013-2015 Free Software Foundation, Inc.
 
@@ -51,7 +51,6 @@ called by `org-babel-execute-src-block'"
   (message "executing Groovy source code block")
   (let* ((processed-params (org-babel-process-params params))
          (session (org-babel-groovy-initiate-session (nth 0 processed-params)))
-         (vars (nth 1 processed-params))
          (result-params (nth 2 processed-params))
          (result-type (cdr (assoc :result-type params)))
          (full-body (org-babel-expand-body:generic
@@ -101,11 +100,11 @@ in BODY as elisp."
            (org-babel-script-escape raw)))))))
 
 
-(defun org-babel-prep-session:groovy (session params)
+(defun org-babel-prep-session:groovy (_session _params)
   "Prepare SESSION according to the header arguments specified in PARAMS."
   (error "Sessions are not (yet) supported for Groovy"))
 
-(defun org-babel-groovy-initiate-session (&optional session)
+(defun org-babel-groovy-initiate-session (&optional _session)
   "If there is not a current inferior-process-buffer in SESSION
 then create.  Return the initialized session.  Sessions are not
 supported in Groovy."

lisp/ob-haskell.el

@@ -1,4 +1,4 @@
-;;; ob-haskell.el --- org-babel functions for haskell evaluation
+;;; ob-haskell.el --- Babel Functions for Haskell    -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -62,7 +62,6 @@
 (defun org-babel-execute:haskell (body params)
   "Execute a block of Haskell code."
   (let* ((session (cdr (assoc :session params)))
-         (vars (mapcar #'cdr (org-babel-get-header params :var)))
          (result-type (cdr (assoc :result-type params)))
          (full-body (org-babel-expand-body:generic
 		     body params
@@ -96,7 +95,7 @@
       (match-string 1 string)
     string))
 
-(defun org-babel-haskell-initiate-session (&optional session params)
+(defun org-babel-haskell-initiate-session (&optional _session _params)
   "Initiate a haskell session.
 If there is not a current inferior-process-buffer in SESSION
 then create one.  Return the initialized session."

lisp/ob-io.el

@@ -1,4 +1,4 @@
-;;; ob-io.el --- org-babel functions for Io evaluation
+;;; ob-io.el --- Babel Functions for Io              -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2012-2015 Free Software Foundation, Inc.
 
@@ -47,7 +47,6 @@ called by `org-babel-execute-src-block'"
   (message "executing Io source code block")
   (let* ((processed-params (org-babel-process-params params))
          (session (org-babel-io-initiate-session (nth 0 processed-params)))
-         (vars (nth 1 processed-params))
          (result-params (nth 2 processed-params))
          (result-type (cdr (assoc :result-type params)))
          (full-body (org-babel-expand-body:generic
@@ -93,11 +92,11 @@ in BODY as elisp."
                  (org-babel-script-escape raw)))))))
 
 
-(defun org-babel-prep-session:io (session params)
+(defun org-babel-prep-session:io (_session _params)
   "Prepare SESSION according to the header arguments specified in PARAMS."
   (error "Sessions are not (yet) supported for Io"))
 
-(defun org-babel-io-initiate-session (&optional session)
+(defun org-babel-io-initiate-session (&optional _session)
   "If there is not a current inferior-process-buffer in SESSION
 then create.  Return the initialized session.  Sessions are not
 supported in Io."

lisp/ob-java.el

@@ -1,4 +1,4 @@
-;;; ob-java.el --- org-babel functions for java evaluation
+;;; ob-java.el --- Babel Functions for Java          -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2011-2015 Free Software Foundation, Inc.
 
@@ -58,12 +58,10 @@ parameters may be used, like javac -verbose"
 	 (src-file (concat classname ".java"))
 	 (cmpflag (or (cdr (assoc :cmpflag params)) ""))
 	 (cmdline (or (cdr (assoc :cmdline params)) ""))
-	 (full-body (org-babel-expand-body:generic body params))
-	 (compile
-	  (progn (with-temp-file src-file (insert full-body))
-		 (org-babel-eval
-		  (concat org-babel-java-compiler
-			  " " cmpflag " " src-file) ""))))
+	 (full-body (org-babel-expand-body:generic body params)))
+    (with-temp-file src-file (insert full-body))
+    (org-babel-eval
+     (concat org-babel-java-compiler " " cmpflag " " src-file) "")
     ;; created package-name directories if missing
     (unless (or (not packagename) (file-exists-p packagename))
       (make-directory packagename 'parents))

lisp/ob-js.el

@@ -1,4 +1,4 @@
-;;; ob-js.el --- org-babel functions for Javascript
+;;; ob-js.el --- Babel Functions for Javascript      -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 

lisp/ob-keys.el

@@ -1,4 +1,4 @@
-;;; ob-keys.el --- key bindings for org-babel
+;;; ob-keys.el --- Key Bindings for Babel            -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 

lisp/ob-latex.el

@@ -1,4 +1,4 @@
-;;; ob-latex.el --- org-babel functions for latex "evaluation"
+;;; ob-latex.el --- Babel Functions for LaTeX        -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -94,7 +94,6 @@ This function is called by `org-babel-execute-src-block'."
 	     (imagemagick (cdr (assoc :imagemagick params)))
 	     (im-in-options (cdr (assoc :iminoptions params)))
 	     (im-out-options (cdr (assoc :imoutoptions params)))
-	     (pdfpng (cdr (assoc :pdfpng params)))
 	     (fit (or (cdr (assoc :fit params)) border))
 	     (height (and fit (cdr (assoc :pdfheight params))))
 	     (width (and fit (cdr (assoc :pdfwidth params))))
@@ -213,7 +212,7 @@ This function is called by `org-babel-execute-src-block'."
   (require 'ox-latex)
   (org-latex-compile file))
 
-(defun org-babel-prep-session:latex (session params)
+(defun org-babel-prep-session:latex (_session _params)
   "Return an error because LaTeX doesn't support sessions."
   (error "LaTeX does not support sessions"))
 

lisp/ob-ledger.el

@@ -1,4 +1,4 @@
-;;; ob-ledger.el --- org-babel functions for ledger evaluation
+;;; ob-ledger.el --- Babel Functions for Ledger      -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 
@@ -46,8 +46,7 @@
   "Execute a block of Ledger entries with org-babel.  This function is
 called by `org-babel-execute-src-block'."
   (message "executing Ledger source code block")
-  (let ((result-params (split-string (or (cdr (assoc :results params)) "")))
-	(cmdline (cdr (assoc :cmdline params)))
+  (let ((cmdline (cdr (assoc :cmdline params)))
         (in-file (org-babel-temp-file "ledger-"))
 	(out-file (org-babel-temp-file "ledger-output-")))
     (with-temp-file in-file (insert body))
@@ -61,7 +60,7 @@ called by `org-babel-execute-src-block'."
 			     " > " (org-babel-process-file-name out-file))))
     (with-temp-buffer (insert-file-contents out-file) (buffer-string))))
 
-(defun org-babel-prep-session:ledger (session params)
+(defun org-babel-prep-session:ledger (_session _params)
   (error "Ledger does not support sessions"))
 
 (provide 'ob-ledger)

lisp/ob-lilypond.el

@@ -1,4 +1,4 @@
-;;; ob-lilypond.el --- org-babel functions for lilypond evaluation
+;;; ob-lilypond.el --- Babel Functions for Lilypond  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 
@@ -92,7 +92,7 @@ you can leave the string empty on this case."
   :version "24.3"
   :package-version '(Org . "8.2.7")
   :set
-  (lambda (symbol value)
+  (lambda (_symbol value)
     (setq
      org-babel-lilypond-ly-command   (nth 0 value)
      org-babel-lilypond-pdf-command  (nth 1 value)
@@ -157,8 +157,7 @@ specific arguments to =org-babel-tangle="
 
 (defun org-babel-lilypond-process-basic (body params)
   "Execute a lilypond block in basic mode."
-  (let* ((result-params (cdr (assoc :result-params params)))
-	 (out-file (cdr (assoc :file params)))
+  (let* ((out-file (cdr (assoc :file params)))
 	 (cmdline (or (cdr (assoc :cmdline params))
 		      ""))
 	 (in-file (org-babel-temp-file "lilypond-")))
@@ -182,7 +181,7 @@ specific arguments to =org-babel-tangle="
       cmdline
       in-file) "")) nil)
 
-(defun org-babel-prep-session:lilypond (session params)
+(defun org-babel-prep-session:lilypond (_session _params)
   "Return an error because LilyPond exporter does not support sessions."
   (error "Sorry, LilyPond does not currently support sessions!"))
 
@@ -272,25 +271,19 @@ LINE is the erroneous line"
 
 (defun org-babel-lilypond-parse-line-num (&optional buffer)
   "Extract error line number."
-  (when buffer
-    (set-buffer buffer))
+  (when buffer (set-buffer buffer))
   (let ((start
          (and (search-backward ":" nil t)
               (search-backward ":" nil t)
               (search-backward ":" nil t)
-              (search-backward ":" nil t)))
-        (num nil))
-    (if start
-        (progn
-          (forward-char)
-          (let ((num (buffer-substring
-                      (+ 1 start)
-                      (- (search-forward ":" nil t) 1))))
-            (setq num (string-to-number num))
-            (if (numberp num)
-                num
-              nil)))
-      nil)))
+              (search-backward ":" nil t))))
+    (when start
+      (forward-char)
+      (let ((num (string-to-number
+		  (buffer-substring
+		   (+ 1 start)
+		   (- (search-forward ":" nil t) 1)))))
+	(and (numberp num) num)))))
 
 (defun org-babel-lilypond-parse-error-line (file-name lineNo)
   "Extract the erroneous line from the tangled .ly file

lisp/ob-lisp.el

@@ -1,4 +1,4 @@
-;;; ob-lisp.el --- org-babel functions for common lisp evaluation
+;;; ob-lisp.el --- Babel Functions for Common Lisp   -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 

lisp/ob-makefile.el

@@ -1,4 +1,4 @@
-;;; ob-makefile.el --- org-babel functions for makefile evaluation
+;;; ob-makefile.el --- Babel Functions for Makefile  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -24,19 +24,19 @@
 
 ;;; Commentary:
 
-;; This file exists solely for tangling a Makefile from org-mode files.
+;; This file exists solely for tangling a Makefile from Org files.
 
 ;;; Code:
 (require 'ob)
 
 (defvar org-babel-default-header-args:makefile '())
 
-(defun org-babel-execute:makefile (body params)
+(defun org-babel-execute:makefile (body _params)
   "Execute a block of makefile code.
 This function is called by `org-babel-execute-src-block'."
   body)
 
-(defun org-babel-prep-session:makefile (session params)
+(defun org-babel-prep-session:makefile (_session _params)
   "Return an error if the :session header argument is set.  Make
 does not support sessions."
   (error "Makefile sessions are nonsensical"))

lisp/ob-matlab.el

@@ -1,4 +1,4 @@
-;;; ob-matlab.el --- org-babel support for matlab evaluation
+;;; ob-matlab.el --- Babel support for Matlab        -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 

lisp/ob-maxima.el

@@ -1,4 +1,4 @@
-;;; ob-maxima.el --- org-babel functions for maxima evaluation
+;;; ob-maxima.el --- Babel Functions for Maxima      -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -98,7 +98,7 @@ This function is called by `org-babel-execute-src-block'."
 	  (org-babel-import-elisp-from-file tmp-file))))))
 
 
-(defun org-babel-prep-session:maxima (session params)
+(defun org-babel-prep-session:maxima (_session _params)
   (error "Maxima does not support sessions"))
 
 (defun org-babel-maxima-var-to-maxima (pair)

lisp/ob-mscgen.el

@@ -1,4 +1,4 @@
-;;; ob-msc.el --- org-babel functions for mscgen evaluation
+;;; ob-msc.el --- Babel Functions for Mscgen         -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 
@@ -73,7 +73,7 @@ ERROR: no output file specified.  Add \":file name.png\" to the src header"))
     (org-babel-eval (concat "mscgen -T " filetype " -o " out-file) body)
     nil)) ;; signal that output has already been written to file
 
-(defun org-babel-prep-session:mscgen (session params)
+(defun org-babel-prep-session:mscgen (_session _params)
   "Raise an error because Mscgen doesn't support sessions."
   (error "Mscgen does not support sessions"))
 

lisp/ob-ocaml.el

@@ -1,4 +1,4 @@
-;;; ob-ocaml.el --- org-babel functions for ocaml evaluation
+;;; ob-ocaml.el --- Babel Functions for Ocaml        -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -60,8 +60,7 @@
 
 (defun org-babel-execute:ocaml (body params)
   "Execute a block of Ocaml code with Babel."
-  (let* ((vars (mapcar #'cdr (org-babel-get-header params :var)))
-         (full-body (org-babel-expand-body:generic
+  (let* ((full-body (org-babel-expand-body:generic
 		     body params
 		     (org-babel-variable-assignments:ocaml params)))
          (session (org-babel-prep-session:ocaml
@@ -82,30 +81,29 @@
 					 (progn (setq out t) nil))))
 				   (mapcar #'org-babel-trim (reverse raw)))))))
 	 (raw (org-babel-trim clean))
-	 (result-params (cdr (assoc :result-params params)))
-	 (parsed
-	  (string-match
-	   "\\(\\(.*\n\\)*\\)[^:\n]+ : \\([^=\n]+\\) =\\(\n\\| \\)\\(.+\\)$"
+	 (result-params (cdr (assoc :result-params params))))
+    (string-match
+     "\\(\\(.*\n\\)*\\)[^:\n]+ : \\([^=\n]+\\) =\\(\n\\| \\)\\(.+\\)$"
+     raw)
+    (let ((output (match-string 1 raw))
+	  (type (match-string 3 raw))
+	  (value (match-string 5 raw)))
+      (org-babel-reassemble-table
+       (org-babel-result-cond result-params
+	 (cond
+	  ((member "verbatim" result-params) raw)
+	  ((member "output" result-params) output)
+	  (t raw))
+	 (if (and value type)
+	     (org-babel-ocaml-parse-output value type)
 	   raw))
-	 (output (match-string 1 raw))
-	 (type (match-string 3 raw))
-	 (value (match-string 5 raw)))
-    (org-babel-reassemble-table
-     (org-babel-result-cond result-params
-       (cond
-	((member "verbatim" result-params) raw)
-	((member "output" result-params) output)
-	(t raw))
-       (if (and value type)
-	   (org-babel-ocaml-parse-output value type)
-	 raw))
-     (org-babel-pick-name
-      (cdr (assoc :colname-names params)) (cdr (assoc :colnames params)))
-     (org-babel-pick-name
-      (cdr (assoc :rowname-names params)) (cdr (assoc :rownames params))))))
+       (org-babel-pick-name
+	(cdr (assoc :colname-names params)) (cdr (assoc :colnames params)))
+       (org-babel-pick-name
+	(cdr (assoc :rowname-names params)) (cdr (assoc :rownames params)))))))
 
 (defvar tuareg-interactive-buffer-name)
-(defun org-babel-prep-session:ocaml (session params)
+(defun org-babel-prep-session:ocaml (session _params)
   "Prepare SESSION according to the header arguments in PARAMS."
   (require 'tuareg)
   (let ((tuareg-interactive-buffer-name (if (and (not (string= session "none"))

lisp/ob-octave.el

@@ -1,4 +1,4 @@
-;;; ob-octave.el --- org-babel functions for octave and matlab evaluation
+;;; ob-octave.el --- Babel Functions for Octave and Matlab -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 
@@ -75,10 +75,7 @@ end")
 	  (funcall (intern (format "org-babel-%s-initiate-session"
 				   (if matlabp "matlab" "octave")))
 		   (cdr (assoc :session params)) params))
-         (vars (mapcar #'cdr (org-babel-get-header params :var)))
-         (result-params (cdr (assoc :result-params params)))
          (result-type (cdr (assoc :result-type params)))
-	 (out-file (cdr (assoc :file params)))
 	 (full-body
 	  (org-babel-expand-body:generic
 	   body params (org-babel-variable-assignments:octave params)))
@@ -148,7 +145,7 @@ If there is not a current inferior-process-buffer in SESSION then
 create.  Return the initialized session."
   (org-babel-octave-initiate-session session params 'matlab))
 
-(defun org-babel-octave-initiate-session (&optional session params matlabp)
+(defun org-babel-octave-initiate-session (&optional session _params matlabp)
   "Create an octave inferior process buffer.
 If there is not a current inferior-process-buffer in SESSION then
 create.  Return the initialized session."

lisp/ob-org.el

@@ -1,4 +1,4 @@
-;;; ob-org.el --- org-babel functions for org code block evaluation
+;;; ob-org.el --- Babel Functions for Org Code Blocks -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 
@@ -61,7 +61,7 @@ This function is called by `org-babel-execute-src-block'."
      ((member "ascii" result-params) (org-export-string-as body 'ascii t))
      (t body))))
 
-(defun org-babel-prep-session:org (session params)
+(defun org-babel-prep-session:org (_session _params)
   "Return an error because org does not support sessions."
   (error "Org does not support sessions"))
 

lisp/ob-perl.el

@@ -1,4 +1,4 @@
-;;; ob-perl.el --- org-babel functions for perl evaluation
+;;; ob-perl.el --- Babel Functions for Perl          -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -54,7 +54,7 @@ This function is called by `org-babel-execute-src-block'."
      (org-babel-pick-name
       (cdr (assoc :rowname-names params)) (cdr (assoc :rownames params))))))
 
-(defun org-babel-prep-session:perl (session params)
+(defun org-babel-prep-session:perl (_session _params)
   "Prepare SESSION according to the header arguments in PARAMS."
   (error "Sessions are not supported for Perl"))
 
@@ -76,7 +76,7 @@ This function is called by `org-babel-execute-src-block'."
 The elisp value, VAR, is converted to a string of perl source code
 specifying a var of the same value."
   (if varn
-      (let ((org-babel-perl--lvl 0) (lvar (listp var)) prefix)
+      (let ((org-babel-perl--lvl 0) (lvar (listp var)))
 	(concat "my $" (symbol-name varn) "=" (when lvar "\n")
 		(org-babel-perl--var-to-perl var)
 		";\n"))
@@ -92,7 +92,7 @@ specifying a var of the same value."
 
 (defvar org-babel-perl-buffers '(:default . nil))
 
-(defun org-babel-perl-initiate-session (&optional session params)
+(defun org-babel-perl-initiate-session (&optional _session _params)
   "Return nil because sessions are not supported by perl."
   nil)
 

lisp/ob-picolisp.el

@@ -1,4 +1,4 @@
-;;; ob-picolisp.el --- org-babel functions for picolisp evaluation
+;;; ob-picolisp.el --- Babel Functions for Picolisp  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 
@@ -81,8 +81,8 @@
 (defun org-babel-expand-body:picolisp (body params)
   "Expand BODY according to PARAMS, return the expanded body."
   (let ((vars (mapcar #'cdr (org-babel-get-header params :var)))
-        (result-params (cdr (assoc :result-params params)))
-        (print-level nil) (print-length nil))
+        (print-level nil)
+	(print-length nil))
     (if (> (length vars) 0)
         (concat "(prog (let ("
                 (mapconcat
@@ -104,7 +104,6 @@
 	 ;; Set the session if the session variable is non-nil.
 	 (session (org-babel-picolisp-initiate-session session-name))
 	 ;; Either OUTPUT or VALUE which should behave as described above.
-	 (result-type (cdr (assoc :result-type params)))
 	 (result-params (cdr (assoc :result-params params)))
 	 ;; Expand the body with `org-babel-expand-body:picolisp'.
 	 (full-body (org-babel-expand-body:picolisp body params))

lisp/ob-plantuml.el

@@ -1,4 +1,4 @@
-;;; ob-plantuml.el --- org-babel functions for plantuml evaluation
+;;; ob-plantuml.el --- Babel Functions for Plantuml  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 
@@ -49,8 +49,7 @@
 (defun org-babel-execute:plantuml (body params)
   "Execute a block of plantuml code with org-babel.
 This function is called by `org-babel-execute-src-block'."
-  (let* ((result-params (split-string (or (cdr (assoc :results params)) "")))
-	 (out-file (or (cdr (assoc :file params))
+  (let* ((out-file (or (cdr (assoc :file params))
 		       (error "PlantUML requires a \":file\" header argument")))
 	 (cmdline (cdr (assoc :cmdline params)))
 	 (in-file (org-babel-temp-file "plantuml-"))
@@ -74,7 +73,7 @@ This function is called by `org-babel-execute-src-block'."
     (message "%s" cmd) (org-babel-eval cmd "")
     nil)) ;; signal that output has already been written to file
 
-(defun org-babel-prep-session:plantuml (session params)
+(defun org-babel-prep-session:plantuml (_session _params)
   "Return an error because plantuml does not support sessions."
   (error "Plantuml does not support sessions"))
 

lisp/ob-processing.el

@@ -1,4 +1,4 @@
-;;; ob-processing.el --- Babel functions for evaluation of processing
+;;; ob-processing.el --- Babel functions for processing -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2015 Free Software Foundation, Inc.
 
@@ -134,7 +134,7 @@ This function is called by `org-babel-execute-src-block'."
 	      sketch-canvas-id
 	      "\"></canvas>"))))
 
-(defun org-babel-prep-session:processing (session params)
+(defun org-babel-prep-session:processing (_session _params)
   "Return an error if the :session header argument is set.
 Processing does not support sessions"
   (error "Processing does not support sessions"))

lisp/ob-python.el

@@ -1,4 +1,4 @@
-;;; ob-python.el --- org-babel functions for python evaluation
+;;; ob-python.el --- Babel Functions for Python      -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -216,7 +216,7 @@ then create.  Return the initialized session."
 		  (assq-delete-all session org-babel-python-buffers)))
       session)))
 
-(defun org-babel-python-initiate-session (&optional session params)
+(defun org-babel-python-initiate-session (&optional session _params)
   "Create a session named SESSION according to PARAMS."
   (unless (string= session "none")
     (org-babel-python-session-buffer

lisp/ob-ref.el

@@ -1,4 +1,4 @@
-;;; ob-ref.el --- org-babel functions for referencing external data
+;;; ob-ref.el --- Babel Functions for Referencing External Data -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -130,7 +130,7 @@ the variable."
       (save-excursion
 	(let ((case-fold-search t)
 	      type args new-refere new-header-args new-referent result
-	      lob-info split-file split-ref index index-row index-col id)
+	      lob-info split-file split-ref index id)
 	  ;; if ref is indexed grab the indices -- beware nested indices
 	  (when (and (string-match "\\[\\([^\\[]+\\)\\]$" ref)
 		     (let ((str (substring ref 0 (match-beginning 0))))

lisp/ob-ruby.el

@@ -1,4 +1,4 @@
-;;; ob-ruby.el --- org-babel functions for ruby evaluation
+;;; ob-ruby.el --- Babel Functions for Ruby          -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -144,7 +144,7 @@ Emacs-lisp table, otherwise return the results as a string."
                 res)
       res)))
 
-(defun org-babel-ruby-initiate-session (&optional session params)
+(defun org-babel-ruby-initiate-session (&optional session _params)
   "Initiate a ruby session.
 If there is not a current inferior-process-buffer in SESSION
 then create one.  Return the initialized session."

lisp/ob-sass.el

@@ -1,4 +1,4 @@
-;;; ob-sass.el --- org-babel functions for the sass css generation language
+;;; ob-sass.el --- Babel Functions for the Sass CSS generation language -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -45,8 +45,7 @@
 (defun org-babel-execute:sass (body params)
   "Execute a block of Sass code with Babel.
 This function is called by `org-babel-execute-src-block'."
-  (let* ((result-params (split-string (or (cdr (assoc :results params)) "")))
-         (file (cdr (assoc :file params)))
+  (let* ((file (cdr (assoc :file params)))
          (out-file (or file (org-babel-temp-file "sass-out-")))
          (cmdline (cdr (assoc :cmdline params)))
          (in-file (org-babel-temp-file "sass-in-"))
@@ -60,7 +59,7 @@ This function is called by `org-babel-execute-src-block'."
 	nil ;; signal that output has already been written to file
       (with-temp-buffer (insert-file-contents out-file) (buffer-string)))))
 
-(defun org-babel-prep-session:sass (session params)
+(defun org-babel-prep-session:sass (_session _params)
   "Raise an error because sass does not support sessions."
   (error "Sass does not support sessions"))
 

lisp/ob-scala.el

@@ -1,4 +1,4 @@
-;;; ob-scala.el --- org-babel functions for Scala evaluation
+;;; ob-scala.el --- Babel Functions for Scala        -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2012-2015 Free Software Foundation, Inc.
 
@@ -45,7 +45,6 @@ called by `org-babel-execute-src-block'"
   (message "executing Scala source code block")
   (let* ((processed-params (org-babel-process-params params))
          (session (org-babel-scala-initiate-session (nth 0 processed-params)))
-         (vars (nth 1 processed-params))
          (result-params (nth 2 processed-params))
          (result-type (cdr (assoc :result-type params)))
          (full-body (org-babel-expand-body:generic
@@ -99,11 +98,11 @@ in BODY as elisp."
            (org-babel-script-escape raw)))))))
 
 
-(defun org-babel-prep-session:scala (session params)
+(defun org-babel-prep-session:scala (_session _params)
   "Prepare SESSION according to the header arguments specified in PARAMS."
   (error "Sessions are not (yet) supported for Scala"))
 
-(defun org-babel-scala-initiate-session (&optional session)
+(defun org-babel-scala-initiate-session (&optional _session)
   "If there is not a current inferior-process-buffer in SESSION
 then create.  Return the initialized session.  Sessions are not
 supported in Scala."

lisp/ob-scheme.el

@@ -1,4 +1,4 @@
-;;; ob-scheme.el --- org-babel functions for Scheme
+;;; ob-scheme.el --- Babel Functions for Scheme      -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2010-2015 Free Software Foundation, Inc.
 

lisp/ob-screen.el

@@ -1,4 +1,4 @@
-;;; ob-screen.el --- org-babel support for interactive terminal
+;;; ob-screen.el --- Babel Support for Interactive Terminal -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 
@@ -54,10 +54,9 @@ In case you want to use a different screen than one selected by your $PATH")
       (org-babel-screen-session-execute-string
        session (org-babel-expand-body:generic body params)))))
 
-(defun org-babel-prep-session:screen (session params)
+(defun org-babel-prep-session:screen (_session params)
   "Prepare SESSION according to the header arguments specified in PARAMS."
   (let* ((session (cdr (assoc :session params)))
-         (socket (org-babel-screen-session-socketname session))
          (cmd (cdr (assoc :cmd params)))
          (terminal (cdr (assoc :terminal params)))
          (process-name (concat "org-babel: terminal (" session ")")))
@@ -104,7 +103,7 @@ In case you want to use a different screen than one selected by your $PATH")
 			  sockets)))))
     (when match-socket (car (split-string match-socket)))))
 
-(defun org-babel-screen-session-write-temp-file (session body)
+(defun org-babel-screen-session-write-temp-file (_session body)
   "Save BODY in a temp file that is named after SESSION."
   (let ((tmpfile (org-babel-temp-file "screen-")))
     (with-temp-file tmpfile
@@ -119,11 +118,10 @@ In case you want to use a different screen than one selected by your $PATH")
   "Test if the default setup works.
 The terminal should shortly flicker."
   (interactive)
-  (let* ((session "org-babel-testing")
-         (random-string (format "%s" (random 99999)))
+  (let* ((random-string (format "%s" (random 99999)))
          (tmpfile (org-babel-temp-file "ob-screen-test-"))
          (body (concat "echo '" random-string "' > " tmpfile "\nexit\n"))
-         process tmp-string)
+         tmp-string)
     (org-babel-execute:screen body org-babel-default-header-args:screen)
     ;; XXX: need to find a better way to do the following
     (while (not (file-readable-p tmpfile))

lisp/ob.el

@@ -1,4 +1,4 @@
-;;; ob.el --- working with code blocks in org-mode
+;;; ob.el --- Working with Code Blocks in Org        -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 

lisp/org-colview.el

@@ -1,4 +1,4 @@
-;;; org-colview.el --- Column View in Org-mode
+;;; org-colview.el --- Column View in Org            -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2004-2015 Free Software Foundation, Inc.
 
@@ -43,6 +43,8 @@
 (defvar org-columns-overlays nil
   "Holds the list of current column overlays.")
 
+(defvar org-columns-time)
+
 (defvar org-columns-current-fmt nil
   "Local variable, holds the currently active column format.")
 (make-variable-buffer-local 'org-columns-current-fmt)
@@ -394,12 +396,12 @@ If yes, throw an error indicating that changing it does not make sense."
 	       (get-char-property 0 'org-computed val))
       (error "This value is computed from the entry's children"))))
 
-(defun org-columns-todo (&optional arg)
+(defun org-columns-todo (&optional _arg)
   "Change the TODO state during column view."
   (interactive "P")
   (org-columns-edit-value "TODO"))
 
-(defun org-columns-set-tags-or-toggle (&optional arg)
+(defun org-columns-set-tags-or-toggle (&optional _arg)
   "Toggle checkbox at point, or set tags for current headline."
   (interactive "P")
   (if (string-match "\\`\\[[ xX-]\\]\\'"
@@ -738,8 +740,6 @@ When COLUMNS-FMT-STRING is non-nil, use it as the column format."
 	    (goto-char (car x))
 	    (org-columns-display-here (cdr x))))))))
 
-(eval-when-compile (defvar org-columns-time))
-
 (defvar org-columns-compile-map
   '(("none" none +)
     (":" add_times +)
@@ -777,7 +777,7 @@ function    called with a list of values as argument to calculate
 calc        function called on every element before summarizing.  This is
 	    optional and should only be specified if needed")
 
-(defun org-columns-new (&optional prop title width op fmt fun &rest rest)
+(defun org-columns-new (&optional prop title width _op fmt fun &rest _rest)
   "Insert a new column, to the left of the current column."
   (interactive)
   (let ((editp (and prop
@@ -1125,16 +1125,14 @@ display, or in the #+COLUMNS line of the current buffer."
 
 (defun org-columns-uncompile-format (cfmt)
   "Turn the compiled columns format back into a string representation."
-  (let ((rtn "") e s prop title op op-match width fmt printf fun calc ee map)
+  (let ((rtn "") e s prop title op width fmt printf ee map)
     (while (setq e (pop cfmt))
       (setq prop (car e)
 	    title (nth 1 e)
 	    width (nth 2 e)
 	    op (nth 3 e)
 	    fmt (nth 4 e)
-	    printf (nth 5 e)
-	    fun (nth 6 e)
-	    calc (nth 7 e))
+	    printf (nth 5 e))
       (setq map (copy-sequence org-columns-compile-map))
       (while (setq ee (pop map))
 	(if (equal fmt (nth 1 ee))
@@ -1459,7 +1457,7 @@ This will add overlays to the date lines, to show the summary for each day."
 				  nil '+ nil)
 			  x))
 		      org-columns-current-fmt-compiled))
-	 line c c1 stype calc sumfunc props lsum entries prop v title)
+	 line c c1 stype calc sumfunc props lsum entries prop v)
     (catch 'exit
       (when (delq nil (mapcar 'cadr fmt))
 	;; OK, at least one summation column, it makes sense to try this
@@ -1483,7 +1481,6 @@ This will add overlays to the date lines, to show the summary for each day."
 		    (mapcar
 		     (lambda (f)
 		       (setq prop (car f)
-			     title (nth 1 f)
 			     stype (nth 4 f)
 			     sumfunc (nth 6 f)
 			     calc (or (nth 7 f) 'identity))

lisp/org-footnote.el

@@ -1,4 +1,4 @@
-;;; org-footnote.el --- Footnote support in Org and elsewhere
+;;; org-footnote.el --- Footnote support in Org      -*- lexical-binding: t; -*-
 ;;
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 ;;
@@ -566,6 +566,7 @@ or new, let the user edit the definition of the footnote."
 	       (org-footnote-auto-adjust-maybe)
 	       (org-edit-footnote-reference)))))))
 
+(defvar electric-indent-mode)
 (defvar org-blank-before-new-entry) ; Silence byte-compiler.
 (defun org-footnote-create-definition (label)
   "Start the definition of a footnote with label LABEL.

lisp/org-indent.el

@@ -1,4 +1,4 @@
-;;; org-indent.el --- Dynamic indentation for  Org-mode
+;;; org-indent.el --- Dynamic indentation for Org    -*- lexical-binding: t; -*-
 ;; Copyright (C) 2009-2015 Free Software Foundation, Inc.
 ;;
 ;; Author: Carsten Dominik <carsten at orgmode dot org>
@@ -348,7 +348,7 @@ headline."
 	      (or (and (org-at-heading-p) (< beg (match-end 0)))
 		  (re-search-forward org-outline-regexp-bol end t)))))))
 
-(defun org-indent-refresh-maybe (beg end dummy)
+(defun org-indent-refresh-maybe (beg end _)
   "Refresh indentation properties in an adequate portion of buffer.
 BEG and END are the positions of the beginning and end of the
 range of inserted text.  DUMMY is an unused argument.

lisp/org-list.el

@@ -1,4 +1,4 @@
-;;; org-list.el --- Plain lists for Org-mode
+;;; org-list.el --- Plain lists for Org-mode         -*- lexical-binding: t; -*-
 ;;
 ;; Copyright (C) 2004-2015 Free Software Foundation, Inc.
 ;;

lisp/org-macro.el

@@ -1,4 +1,4 @@
-;;; org-macro.el --- Macro Replacement Code for Org Mode
+;;; org-macro.el --- Macro Replacement Code for Org  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2013-2015 Free Software Foundation, Inc.
 
@@ -78,42 +78,42 @@ directly, use instead:
 (defun org-macro--collect-macros ()
   "Collect macro definitions in current buffer and setup files.
 Return an alist containing all macro templates found."
-  (let* (collect-macros			; For byte-compiler.
-	 (collect-macros
-	  (lambda (files templates)
-	    ;; Return an alist of macro templates.  FILES is a list of
-	    ;; setup files names read so far, used to avoid circular
-	    ;; dependencies.  TEMPLATES is the alist collected so far.
-	    (let ((case-fold-search t))
-	      (org-with-wide-buffer
-	       (goto-char (point-min))
-	       (while (re-search-forward
-		       "^[ \t]*#\\+\\(MACRO\\|SETUPFILE\\):" nil t)
-		 (let ((element (org-element-at-point)))
-		   (when (eq (org-element-type element) 'keyword)
-		     (let ((val (org-element-property :value element)))
-		       (if (equal (org-element-property :key element) "MACRO")
-			   ;; Install macro in TEMPLATES.
-			   (when (string-match
-				  "^\\(.*?\\)\\(?:\\s-+\\(.*\\)\\)?\\s-*$" val)
-			     (let* ((name (match-string 1 val))
-				    (template (or (match-string 2 val) ""))
-				    (old-cell (assoc name templates)))
-			       (if old-cell (setcdr old-cell template)
-				 (push (cons name template) templates))))
-			 ;; Enter setup file.
-			 (let ((file (expand-file-name
-				      (org-remove-double-quotes val))))
-			   (unless (member file files)
-			     (with-temp-buffer
-			       (setq default-directory
-				     (file-name-directory file))
-			       (org-mode)
-			       (insert (org-file-contents file 'noerror))
-			       (setq templates
-				     (funcall collect-macros (cons file files)
-					      templates)))))))))))
-	      templates))))
+  (letrec ((collect-macros
+	    (lambda (files templates)
+	      ;; Return an alist of macro templates.  FILES is a list
+	      ;; of setup files names read so far, used to avoid
+	      ;; circular dependencies.  TEMPLATES is the alist
+	      ;; collected so far.
+	      (let ((case-fold-search t))
+		(org-with-wide-buffer
+		 (goto-char (point-min))
+		 (while (re-search-forward
+			 "^[ \t]*#\\+\\(MACRO\\|SETUPFILE\\):" nil t)
+		   (let ((element (org-element-at-point)))
+		     (when (eq (org-element-type element) 'keyword)
+		       (let ((val (org-element-property :value element)))
+			 (if (equal (org-element-property :key element) "MACRO")
+			     ;; Install macro in TEMPLATES.
+			     (when (string-match
+				    "^\\(.*?\\)\\(?:\\s-+\\(.*\\)\\)?\\s-*$" val)
+			       (let* ((name (match-string 1 val))
+				      (template (or (match-string 2 val) ""))
+				      (old-cell (assoc name templates)))
+				 (if old-cell (setcdr old-cell template)
+				   (push (cons name template) templates))))
+			   ;; Enter setup file.
+			   (let ((file (expand-file-name
+					(org-remove-double-quotes val))))
+			     (unless (member file files)
+			       (with-temp-buffer
+				 (setq default-directory
+				       (file-name-directory file))
+				 (org-mode)
+				 (insert (org-file-contents file 'noerror))
+				 (setq templates
+				       (funcall collect-macros (cons file files)
+						templates)))))))))))
+		templates))))
     (funcall collect-macros nil nil)))
 
 (defun org-macro-initialize-templates ()

lisp/org-src.el

@@ -1,4 +1,4 @@
-;;; org-src.el --- Source code examples in Org
+;;; org-src.el --- Source code examples in Org       -*- lexical-binding: t; -*-
 ;;
 ;; Copyright (C) 2004-2015 Free Software Foundation, Inc.
 ;;

lisp/org-table.el

@@ -1,4 +1,4 @@
-;;; org-table.el --- The table editor for Org mode
+;;; org-table.el --- The Table Editor for Org        -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2004-2015 Free Software Foundation, Inc.
 
@@ -66,6 +66,7 @@
 (defvar orgtbl-mode-menu) ; defined when orgtbl mode get initialized
 (defvar constants-unit-system)
 (defvar org-table-follow-field-mode)
+(defvar sort-fold-case)
 
 (defvar orgtbl-after-send-table-hook nil
   "Hook for functions attaching to `C-c C-c', if the table is sent.
@@ -544,7 +545,7 @@ SIZE is a string Columns x Rows like for example \"3x2\"."
 	(beginning-of-line 1)
       (newline))
     ;; (mapcar (lambda (x) (insert line)) (make-list rows t))
-    (dotimes (i rows) (insert line))
+    (dotimes (_ rows) (insert line))
     (goto-char pos)
     (if (> rows 1)
 	;; Insert a hline after the first row.
@@ -1264,7 +1265,7 @@ is always the old value."
     (forward-char 1) ""))
 
 ;;;###autoload
-(defun org-table-field-info (arg)
+(defun org-table-field-info (_arg)
   "Show info about the current field, and highlight any reference at point."
   (interactive "P")
   (unless (org-at-table-p) (user-error "Not at a table"))
@@ -1891,10 +1892,10 @@ Note that horizontal lines disappear."
   (let* ((table (delete 'hline (org-table-to-lisp)))
 	 (dline_old (org-table-current-line))
 	 (col_old (org-table-current-column))
-	 (contents (mapcar (lambda (p)
+	 (contents (mapcar (lambda (_)
 			     (let ((tp table))
 			       (mapcar
-				(lambda (rown)
+				(lambda (_)
 				  (prog1
 				      (pop (car tp))
 				    (setq tp (cdr tp))))
@@ -2193,16 +2194,11 @@ When NAMED is non-nil, look for a named equation."
 			    org-table-named-field-locations)))
 	 (ref (format "@%d$%d" (org-table-current-dline)
 		      (org-table-current-column)))
-	 (refass (assoc ref stored-list))
-	 (nameass (assoc name stored-list))
 	 (scol (if named
 		   (if (and name (not (string-match "^LR[0-9]+$" name)))
 		       name
 		     ref)
 		 (int-to-string (org-table-current-column))))
-	 (dummy (and (or nameass refass) (not named)
-		     (not (y-or-n-p "Replace existing field formula with column formula? " ))
-		     (message "Formula not replaced")))
 	 (name (or name ref))
 	 (org-table-may-need-update nil)
 	 (stored (cdr (assoc scol stored-list)))
@@ -4107,7 +4103,7 @@ FACE, when non-nil, for the highlight."
     (goto-char (car start-coordinates)))
   (add-hook 'before-change-functions #'org-table-remove-rectangle-highlight))
 
-(defun org-table-remove-rectangle-highlight (&rest ignore)
+(defun org-table-remove-rectangle-highlight (&rest _ignore)
   "Remove the rectangle overlays."
   (unless org-inhibit-highlight-removal
     (remove-hook 'before-change-functions 'org-table-remove-rectangle-highlight)
@@ -4481,7 +4477,7 @@ With prefix arg, also recompute table."
      (t (let (orgtbl-mode)
 	  (call-interactively (key-binding "\C-c\C-c")))))))
 
-(defun orgtbl-create-or-convert-from-region (arg)
+(defun orgtbl-create-or-convert-from-region (_arg)
   "Create table or convert region to table, if no conflicting binding.
 This installs the table binding `C-c |', but only if there is no
 conflicting binding to this key outside orgtbl-mode."
@@ -5417,16 +5413,13 @@ This function is generated by a call to the macro `org-define-lookup-function'."
 			      (sl s-list)
 			      (rl (or r-list s-list))
 			      (ret nil))))
-		 (if first-p (add-to-list 'lvars '(match-p nil)))
-		 lvars)
+		 (if first-p (cons '(match-p nil) lvars) lvars))
 	   (while ,(if first-p '(and (not match-p) sl) 'sl)
-	     (progn
-	       (if (funcall p val (car sl))
-		   (progn
-		     ,(if first-p '(setq match-p t))
-		     (let ((rval (car rl)))
-		       (setq ret ,(if all-p '(append ret (list rval)) 'rval)))))
-	       (setq sl (cdr sl) rl (cdr rl))))
+	     (when (funcall p val (car sl))
+	       ,(when first-p '(setq match-p t))
+	       (let ((rval (car rl)))
+		 (setq ret ,(if all-p '(append ret (list rval)) 'rval))))
+	     (setq sl (cdr sl) rl (cdr rl)))
 	   ret)))))
 
 (org-define-lookup-function first)

lisp/ox-ascii.el

@@ -1,4 +1,4 @@
-;;; ox-ascii.el --- ASCII Back-End for Org Export Engine
+;;; ox-ascii.el --- ASCII Back-End for Org Export Engine -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2012-2015 Free Software Foundation, Inc.
 
@@ -370,7 +370,7 @@ Otherwise, place it right after it."
   :type 'string)
 
 (defcustom org-ascii-format-drawer-function
-  (lambda (name contents width) contents)
+  (lambda (_name contents _width) contents)
   "Function called to format a drawer in ASCII.
 
 The function must accept three parameters:
@@ -712,7 +712,7 @@ possible.  It doesn't apply to `inlinetask' elements."
 				      (char-width under-char))
 				   under-char))))))))
 
-(defun org-ascii--has-caption-p (element info)
+(defun org-ascii--has-caption-p (element _info)
   "Non-nil when ELEMENT has a caption affiliated keyword.
 INFO is a plist used as a communication channel.  This function
 is meant to be used as a predicate for `org-export-get-ordinal'."
@@ -1141,7 +1141,7 @@ INFO is a plist used as a communication channel."
 
 ;;;; Bold
 
-(defun org-ascii-bold (bold contents info)
+(defun org-ascii-bold (_bold contents _info)
   "Transcode BOLD from Org to ASCII.
 CONTENTS is the text with bold markup.  INFO is a plist holding
 contextual information."
@@ -1150,7 +1150,7 @@ contextual information."
 
 ;;;; Center Block
 
-(defun org-ascii-center-block (center-block contents info)
+(defun org-ascii-center-block (_center-block contents _info)
   "Transcode a CENTER-BLOCK element from Org to ASCII.
 CONTENTS holds the contents of the block.  INFO is a plist
 holding contextual information."
@@ -1161,7 +1161,7 @@ holding contextual information."
 
 ;;;; Clock
 
-(defun org-ascii-clock (clock contents info)
+(defun org-ascii-clock (clock _contents info)
   "Transcode a CLOCK object from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual
 information."
@@ -1179,7 +1179,7 @@ information."
 
 ;;;; Code
 
-(defun org-ascii-code (code contents info)
+(defun org-ascii-code (code _contents info)
   "Return a CODE object from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual
 information."
@@ -1201,7 +1201,7 @@ holding contextual information."
 
 ;;;; Dynamic Block
 
-(defun org-ascii-dynamic-block (dynamic-block contents info)
+(defun org-ascii-dynamic-block (_dynamic-block contents _info)
   "Transcode a DYNAMIC-BLOCK element from Org to ASCII.
 CONTENTS holds the contents of the block.  INFO is a plist
 holding contextual information."
@@ -1210,7 +1210,7 @@ holding contextual information."
 
 ;;;; Entity
 
-(defun org-ascii-entity (entity contents info)
+(defun org-ascii-entity (entity _contents info)
   "Transcode an ENTITY object from Org to ASCII.
 CONTENTS are the definition itself.  INFO is a plist holding
 contextual information."
@@ -1221,7 +1221,7 @@ contextual information."
 
 ;;;; Example Block
 
-(defun org-ascii-example-block (example-block contents info)
+(defun org-ascii-example-block (example-block _contents info)
   "Transcode a EXAMPLE-BLOCK element from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual information."
   (org-ascii--justify-element
@@ -1232,7 +1232,7 @@ CONTENTS is nil.  INFO is a plist holding contextual information."
 
 ;;;; Export Snippet
 
-(defun org-ascii-export-snippet (export-snippet contents info)
+(defun org-ascii-export-snippet (export-snippet _contents _info)
   "Transcode a EXPORT-SNIPPET object from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual information."
   (when (eq (org-export-snippet-backend export-snippet) 'ascii)
@@ -1241,7 +1241,7 @@ CONTENTS is nil.  INFO is a plist holding contextual information."
 
 ;;;; Export Block
 
-(defun org-ascii-export-block (export-block contents info)
+(defun org-ascii-export-block (export-block _contents info)
   "Transcode a EXPORT-BLOCK element from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual information."
   (when (string= (org-element-property :type export-block) "ASCII")
@@ -1251,7 +1251,7 @@ CONTENTS is nil.  INFO is a plist holding contextual information."
 
 ;;;; Fixed Width
 
-(defun org-ascii-fixed-width (fixed-width contents info)
+(defun org-ascii-fixed-width (fixed-width _contents info)
   "Transcode a FIXED-WIDTH element from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual information."
   (org-ascii--justify-element
@@ -1269,7 +1269,7 @@ CONTENTS is nil.  INFO is a plist holding contextual information."
 
 ;;;; Footnote Reference
 
-(defun org-ascii-footnote-reference (footnote-reference contents info)
+(defun org-ascii-footnote-reference (footnote-reference _contents info)
   "Transcode a FOOTNOTE-REFERENCE element from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual information."
   (format "[%s]" (org-export-get-footnote-number footnote-reference info)))
@@ -1328,7 +1328,7 @@ holding contextual information."
 
 ;;;; Horizontal Rule
 
-(defun org-ascii-horizontal-rule (horizontal-rule contents info)
+(defun org-ascii-horizontal-rule (horizontal-rule _contents info)
   "Transcode an HORIZONTAL-RULE object from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual
 information."
@@ -1345,7 +1345,7 @@ information."
 
 ;;;; Inline Src Block
 
-(defun org-ascii-inline-src-block (inline-src-block contents info)
+(defun org-ascii-inline-src-block (inline-src-block _contents info)
   "Transcode an INLINE-SRC-BLOCK element from Org to ASCII.
 CONTENTS holds the contents of the item.  INFO is a plist holding
 contextual information."
@@ -1356,7 +1356,7 @@ contextual information."
 ;;;; Inlinetask
 
 (defun org-ascii-format-inlinetask-default
-  (todo type priority name tags contents width inlinetask info)
+  (_todo _type _priority _name _tags contents width inlinetask info)
   "Format an inline task element for ASCII export.
 See `org-ascii-format-inlinetask-function' for a description
 of the parameters."
@@ -1411,7 +1411,7 @@ holding contextual information."
 
 ;;;; Italic
 
-(defun org-ascii-italic (italic contents info)
+(defun org-ascii-italic (_italic contents _info)
   "Transcode italic from Org to ASCII.
 CONTENTS is the text with italic markup.  INFO is a plist holding
 contextual information."
@@ -1470,7 +1470,7 @@ contextual information."
 
 ;;;; Keyword
 
-(defun org-ascii-keyword (keyword contents info)
+(defun org-ascii-keyword (keyword _contents info)
   "Transcode a KEYWORD element from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual
 information."
@@ -1496,7 +1496,7 @@ information."
 
 ;;;; Latex Environment
 
-(defun org-ascii-latex-environment (latex-environment contents info)
+(defun org-ascii-latex-environment (latex-environment _contents info)
   "Transcode a LATEX-ENVIRONMENT element from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual
 information."
@@ -1508,7 +1508,7 @@ information."
 
 ;;;; Latex Fragment
 
-(defun org-ascii-latex-fragment (latex-fragment contents info)
+(defun org-ascii-latex-fragment (latex-fragment _contents info)
   "Transcode a LATEX-FRAGMENT object from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual
 information."
@@ -1518,7 +1518,7 @@ information."
 
 ;;;; Line Break
 
-(defun org-ascii-line-break (line-break contents info)
+(defun org-ascii-line-break (_line-break _contents _info)
   "Transcode a LINE-BREAK object from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual
   information."  hard-newline)
@@ -1569,7 +1569,7 @@ INFO is a plist holding contextual information."
 
 ;;;; Node Properties
 
-(defun org-ascii-node-property (node-property contents info)
+(defun org-ascii-node-property (node-property _contents _info)
   "Transcode a NODE-PROPERTY element from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual
 information."
@@ -1632,7 +1632,7 @@ INFO is a plist used as a communication channel."
 
 ;;;; Planning
 
-(defun org-ascii-planning (planning contents info)
+(defun org-ascii-planning (planning _contents info)
   "Transcode a PLANNING element from Org to ASCII.
 CONTENTS is nil.  INFO is a plist used as a communication
 channel."
@@ -1668,7 +1668,7 @@ holding contextual information."
 
 ;;;; Quote Block
 
-(defun org-ascii-quote-block (quote-block contents info)
+(defun org-ascii-quote-block (_quote-block contents info)
   "Transcode a QUOTE-BLOCK element from Org to ASCII.
 CONTENTS holds the contents of the block.  INFO is a plist
 holding contextual information."
@@ -1677,7 +1677,7 @@ holding contextual information."
 
 ;;;; Radio Target
 
-(defun org-ascii-radio-target (radio-target contents info)
+(defun org-ascii-radio-target (_radio-target contents _info)
   "Transcode a RADIO-TARGET object from Org to ASCII.
 CONTENTS is the contents of the target.  INFO is a plist holding
 contextual information."
@@ -1708,7 +1708,7 @@ contextual information."
 
 ;;;; Special Block
 
-(defun org-ascii-special-block (special-block contents info)
+(defun org-ascii-special-block (_special-block contents _info)
   "Transcode a SPECIAL-BLOCK element from Org to ASCII.
 CONTENTS holds the contents of the block.  INFO is a plist
 holding contextual information."
@@ -1720,7 +1720,7 @@ holding contextual information."
 
 ;;;; Src Block
 
-(defun org-ascii-src-block (src-block contents info)
+(defun org-ascii-src-block (src-block _contents info)
   "Transcode a SRC-BLOCK element from Org to ASCII.
 CONTENTS holds the contents of the item.  INFO is a plist holding
 contextual information."
@@ -1738,7 +1738,7 @@ contextual information."
 
 ;;;; Statistics Cookie
 
-(defun org-ascii-statistics-cookie (statistics-cookie contents info)
+(defun org-ascii-statistics-cookie (statistics-cookie _contents _info)
   "Transcode a STATISTICS-COOKIE object from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual information."
   (org-element-property :value statistics-cookie))
@@ -1746,7 +1746,7 @@ CONTENTS is nil.  INFO is a plist holding contextual information."
 
 ;;;; Subscript
 
-(defun org-ascii-subscript (subscript contents info)
+(defun org-ascii-subscript (subscript contents _info)
   "Transcode a SUBSCRIPT object from Org to ASCII.
 CONTENTS is the contents of the object.  INFO is a plist holding
 contextual information."
@@ -1757,7 +1757,7 @@ contextual information."
 
 ;;;; Superscript
 
-(defun org-ascii-superscript (superscript contents info)
+(defun org-ascii-superscript (superscript contents _info)
   "Transcode a SUPERSCRIPT object from Org to ASCII.
 CONTENTS is the contents of the object.  INFO is a plist holding
 contextual information."
@@ -1768,7 +1768,7 @@ contextual information."
 
 ;;;; Strike-through
 
-(defun org-ascii-strike-through (strike-through contents info)
+(defun org-ascii-strike-through (_strike-through contents _info)
   "Transcode STRIKE-THROUGH from Org to ASCII.
 CONTENTS is text with strike-through markup.  INFO is a plist
 holding contextual information."
@@ -1938,7 +1938,7 @@ a communication channel."
 
 ;;;; Timestamp
 
-(defun org-ascii-timestamp (timestamp contents info)
+(defun org-ascii-timestamp (timestamp _contents info)
   "Transcode a TIMESTAMP object from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual information."
   (org-ascii-plain-text (org-timestamp-translate timestamp) info))
@@ -1946,7 +1946,7 @@ CONTENTS is nil.  INFO is a plist holding contextual information."
 
 ;;;; Underline
 
-(defun org-ascii-underline (underline contents info)
+(defun org-ascii-underline (_underline contents _info)
   "Transcode UNDERLINE from Org to ASCII.
 CONTENTS is the text with underline markup.  INFO is a plist
 holding contextual information."
@@ -1955,7 +1955,7 @@ holding contextual information."
 
 ;;;; Verbatim
 
-(defun org-ascii-verbatim (verbatim contents info)
+(defun org-ascii-verbatim (verbatim _contents info)
   "Return a VERBATIM object from Org to ASCII.
 CONTENTS is nil.  INFO is a plist holding contextual information."
   (format (plist-get info :ascii-verbatim-format)
@@ -1968,21 +1968,20 @@ CONTENTS is nil.  INFO is a plist holding contextual information."
   "Transcode a VERSE-BLOCK element from Org to ASCII.
 CONTENTS is verse block contents.  INFO is a plist holding
 contextual information."
-  (let ((verse-width (org-ascii--current-text-width verse-block info)))
-    (org-ascii--indent-string
-     (org-ascii--justify-element contents verse-block info)
-     (plist-get info :ascii-quote-margin))))
+  (org-ascii--indent-string
+   (org-ascii--justify-element contents verse-block info)
+   (plist-get info :ascii-quote-margin)))
 
 
 
 ;;; Filters
 
-(defun org-ascii-filter-headline-blank-lines (headline back-end info)
+(defun org-ascii-filter-headline-blank-lines (headline _backend info)
   "Filter controlling number of blank lines after a headline.
 
-HEADLINE is a string representing a transcoded headline.
-BACK-END is symbol specifying back-end used for export.  INFO is
-plist containing the communication channel.
+HEADLINE is a string representing a transcoded headline.  BACKEND
+is symbol specifying back-end used for export.  INFO is plist
+containing the communication channel.
 
 This function only applies to `ascii' back-end.  See
 `org-ascii-headline-spacing' for information."
@@ -1991,10 +1990,10 @@ This function only applies to `ascii' back-end.  See
       (let ((blanks (make-string (1+ (cdr headline-spacing)) ?\n)))
 	(replace-regexp-in-string "\n\\(?:\n[ \t]*\\)*\\'" blanks headline)))))
 
-(defun org-ascii-filter-paragraph-spacing (tree back-end info)
+(defun org-ascii-filter-paragraph-spacing (tree _backend info)
   "Filter controlling number of blank lines between paragraphs.
 
-TREE is the parse tree.  BACK-END is the symbol specifying
+TREE is the parse tree.  BACKEND is the symbol specifying
 back-end used for export.  INFO is a plist used as
 a communication channel.
 
@@ -2008,9 +2007,9 @@ See `org-ascii-paragraph-spacing' for information."
 	    (org-element-put-property p :post-blank paragraph-spacing))))))
   tree)
 
-(defun org-ascii-filter-comment-spacing (tree backend info)
+(defun org-ascii-filter-comment-spacing (tree _backend info)
   "Filter removing blank lines between comments.
-TREE is the parse tree.  BACK-END is the symbol specifying
+TREE is the parse tree.  BACKEND is the symbol specifying
 back-end used for export.  INFO is a plist used as
 a communication channel."
   (org-element-map tree '(comment comment-block)