* lisp/mail/: Use lexical-binding

Remove some redundant `:group` args as well.

* lisp/mail/supercite.el: Use lexical-binding.
(completer-disable): Declare var.
(sc-set-variable): Don't rely on dynbind to access `help` variable.

* lisp/mail/mail-extr.el: Use lexical-binding.
(mail-extract-address-components): Avoid use of dynamic scoping to
refer to local vars.

* lisp/mail/mailabbrev.el: Use lexical-binding.
(mail-abbrev-make-syntax-table): Rename `_` variable to `syntax-_`.

* lisp/mail/mailheader.el: Use lexical-binding.
(headers): Don't declare as dynbound globally.
(mail-header-set, mail-header-merge): Declare `headers` as dynbound
locally, instead.  Mark those functions as obsolete.
(mail-header-format): Use `alist-get` instead of `mail-header`.

* lisp/mail/binhex.el (binhex-decode-region-external): Remove always-nil
var `firstline`.

* lisp/mail/emacsbug.el: Use lexical-binding.
(report-emacs-bug): Remove always-nil var `message-end-point`.

* lisp/mail/rmail-spam-filter.el: Use lexical-binding.
(bbdb/mail_auto_create_p): Declare variable.

* lisp/mail/rmail.el (rmail-get-new-mail): Remove always-nil var
`delete-files`.

* lisp/mail/rmailout.el: Use lexical-binding.
(rmail-output-read-file-name): Remove unused var `err`.
(rmail-convert-to-babyl-format): Remove unused var `count`.
(rmail-output-as-mbox): Remove unused vars `from` and `date`.

* lisp/mail/rmailsort.el: Use lexical-binding.
(rmail-sort-messages): Remove unused var `msginfo`.

* lisp/mail/rfc822.el: Use lexical-binding.
* lisp/mail/rmailedit.el: Use lexical-binding.
* lisp/mail/mailclient.el: Use lexical-binding.
* lisp/mail/blessmail.el: Use lexical-binding.
* lisp/mail/mail-hist.el: Use lexical-binding.
* lisp/mail/rmailkwd.el: Use lexical-binding.
* lisp/mail/rmailmsc.el: Use lexical-binding.
* lisp/mail/uce.el: Use lexical-binding.
* lisp/mail/unrmail.el: Use lexical-binding.

1 files changed, 5 insertions, 5 deletions

diff --git a/lisp/mail/feedmail.el b/lisp/mail/feedmail.el
index 2bcbdf4a223..d76017b9944 100644
--- a/lisp/mail/feedmail.el
+++ b/lisp/mail/feedmail.el
@@ -1381,7 +1381,7 @@ It shows the simple addresses and gets a confirmation.  Use as:
   (save-window-excursion
     (display-buffer (set-buffer (get-buffer-create " F-C-A-H-E")))
     (erase-buffer)
-    (insert (mapconcat 'identity feedmail-address-list " "))
+    (insert (mapconcat #'identity feedmail-address-list " "))
     (if (not (y-or-n-p "How do you like them apples? "))
 	(error "FQM: Sending...gave up in last chance hook"))))
 
@@ -1592,10 +1592,10 @@ Feeds the buffer to it."
   (feedmail-say-debug ">in-> feedmail-buffer-to-binmail %s" addr-listoid)
   (set-buffer prepped)
   (apply
-   'call-process-region
+   #'call-process-region
    (append (list (point-min) (point-max) "/bin/sh" nil errors-to nil "-c"
 		 (format feedmail-binmail-template
-			 (mapconcat 'identity addr-listoid " "))))))
+			 (mapconcat #'identity addr-listoid " "))))))
 
 
 (defvar sendmail-program)
@@ -1609,7 +1609,7 @@ local gurus."
   (require 'sendmail)
   (feedmail-say-debug ">in-> feedmail-buffer-to-sendmail %s" addr-listoid)
   (set-buffer prepped)
-  (apply 'call-process-region
+  (apply #'call-process-region
 	 (append (list (point-min) (point-max) sendmail-program
 		       nil errors-to nil "-oi" "-t")
 		 ;; provide envelope "from" to sendmail; results will vary
@@ -2042,7 +2042,7 @@ backup file names and the like)."
 		       (message "FQM: Trapped `%s', message left in queue." (car signal-stuff))
 		       (sit-for 3)
 		       (message "FQM: Trap details: \"%s\""
-				(mapconcat 'identity (cdr signal-stuff) "\" \""))
+				(mapconcat #'identity (cdr signal-stuff) "\" \""))
 		       (sit-for 3)))
 	      (kill-buffer blobby-buffer)
 	      (feedmail-say-chatter