* lisp/gnus/nnimap.el: Clean up "unused var" warnings

(auth-source-creation-prompts): Declare.
(nnimap-retrieve-headers, nnimap-status-message)
(nnimap-request-create-group, nnimap-request-delete-group)
(nnimap-close-group, nnimap-request-move-article)
(nnimap-request-accept-article, nnimap-request-newgroups)
(nnimap-request-post, nnimap-dummy-active-number)
(nnimap-save-mail-spec, nnimap-get-groups): Add _ to unused vars.
(nnimap-parse-flags): Remove unused var `p'.
(nnimap-retrieve-group-data-early): Remove unused var `groups'.
(nnimap-flags-to-marks): Remove unused var `totalp'.

1 files changed, 19 insertions, 16 deletions

diff --git a/lisp/gnus/nnimap.el b/lisp/gnus/nnimap.el
index 8eb6268a140..5f3f6be88a5 100644
--- a/lisp/gnus/nnimap.el
+++ b/lisp/gnus/nnimap.el
@@ -182,7 +182,7 @@ textual parts.")
           params)
     (format "%s" (nreverse params))))
 
-(deffoo nnimap-retrieve-headers (articles &optional group server fetch-old)
+(deffoo nnimap-retrieve-headers (articles &optional group server _fetch-old)
   (when group
     (setq group (nnimap-decode-gnus-group group)))
   (with-current-buffer nntp-server-buffer
@@ -330,6 +330,8 @@ textual parts.")
     (push (current-buffer) nnimap-process-buffers)
     (current-buffer)))
 
+(defvar auth-source-creation-prompts)
+
 (defun nnimap-credentials (address ports user)
   (let* ((auth-source-creation-prompts
           '((user  . "IMAP user at %h: ")
@@ -585,7 +587,7 @@ textual parts.")
        (gnus-buffer-live-p nntp-server-buffer)
        (nnimap-find-connection nntp-server-buffer)))
 
-(deffoo nnimap-status-message (&optional server)
+(deffoo nnimap-status-message (&optional _server)
   nnimap-status-string)
 
 (deffoo nnimap-request-article (article &optional group server to-buffer)
@@ -858,13 +860,13 @@ textual parts.")
           "211 %d %d %d %S\n" (1+ (- high low)) low high group))
         t))))
 
-(deffoo nnimap-request-create-group (group &optional server args)
+(deffoo nnimap-request-create-group (group &optional server _args)
   (setq group (nnimap-decode-gnus-group group))
   (when (nnimap-change-group nil server)
     (with-current-buffer (nnimap-buffer)
       (car (nnimap-command "CREATE %S" (utf7-encode group t))))))
 
-(deffoo nnimap-request-delete-group (group &optional force server)
+(deffoo nnimap-request-delete-group (group &optional _force server)
   (setq group (nnimap-decode-gnus-group group))
   (when (nnimap-change-group nil server)
     (with-current-buffer (nnimap-buffer)
@@ -909,11 +911,11 @@ textual parts.")
               articles)))
     (nreverse articles)))
 
-(deffoo nnimap-close-group (group &optional server)
+(deffoo nnimap-close-group (_group &optional _server)
   t)
 
 (deffoo nnimap-request-move-article (article group server accept-form
-                                             &optional last internal-move-group)
+                                             &optional _last internal-move-group)
   (setq group (nnimap-decode-gnus-group group))
   (when internal-move-group
     (setq internal-move-group (nnimap-decode-gnus-group internal-move-group)))
@@ -1144,7 +1146,7 @@ If LIMIT, first try to limit the search to the N last articles."
         (when sequence
           (nnimap-wait-for-response sequence))))))
 
-(deffoo nnimap-request-accept-article (group &optional server last)
+(deffoo nnimap-request-accept-article (group &optional server _last)
   (unless group
     ;; We're respooling.  Find out where mail splitting would place
     ;; this article.
@@ -1262,7 +1264,7 @@ If LIMIT, first try to limit the search to the N last articles."
     (goto-char (point-min))
     (while (search-forward "* LIST " nil t)
       (let ((flags (read (current-buffer)))
-            (separator (read (current-buffer)))
+            (_separator (read (current-buffer)))
             (group (buffer-substring-no-properties
                     (progn (skip-chars-forward " \"")
                            (point))
@@ -1272,7 +1274,8 @@ If LIMIT, first try to limit the search to the N last articles."
         (unless (member '%NoSelect flags)
           (push (utf7-decode (if (stringp group)
                                  group
-                               (format "%s" group)) t)
+                               (format "%s" group))
+                             t)
                 groups))))
     (nreverse groups)))
 
@@ -1332,7 +1335,7 @@ If LIMIT, first try to limit the search to the N last articles."
                                     (or highest exists)))))))))
           t)))))
 
-(deffoo nnimap-request-newgroups (date &optional server)
+(deffoo nnimap-request-newgroups (_date &optional server)
   (when (nnimap-change-group nil server)
     (with-current-buffer nntp-server-buffer
       (erase-buffer)
@@ -1351,7 +1354,7 @@ If LIMIT, first try to limit the search to the N last articles."
       (setf (nnimap-group nnimap-object) nil)
       (setf (nnimap-initial-resync nnimap-object) 0)
       (let ((qresyncp (nnimap-capability "QRESYNC"))
-            params groups sequences active uidvalidity modseq group
+            params sequences active uidvalidity modseq group
             unexist)
         ;; Go through the infos and gather the data needed to know
         ;; what and how to request the data.
@@ -1665,7 +1668,7 @@ If LIMIT, first try to limit the search to the N last articles."
       (push (list group info active) nnimap-current-infos))))
 
 (defun nnimap-flags-to-marks (groups)
-  (let (data group totalp uidnext articles start-article mark permanent-flags
+  (let (data group uidnext articles start-article mark permanent-flags
              uidvalidity vanished highestmodseq)
     (dolist (elem groups)
       (setq group (car elem)
@@ -1756,7 +1759,7 @@ If LIMIT, first try to limit the search to the N last articles."
             (setq start (point))
             (goto-char end))
           (while (re-search-forward "^\\* [0-9]+ FETCH " start t)
-            (let ((p (point)))
+            (progn
               (setq elems (read (current-buffer)))
               (push (cons (cadr (memq 'UID elems))
                           (cadr (memq 'FLAGS elems)))
@@ -1774,7 +1777,7 @@ If LIMIT, first try to limit the search to the N last articles."
 (defun nnimap-find-process-buffer (buffer)
   (cadr (assoc buffer nnimap-connection-alist)))
 
-(deffoo nnimap-request-post (&optional server)
+(deffoo nnimap-request-post (&optional _server)
   (setq nnimap-status-string "Read-only server")
   nil)
 
@@ -2176,10 +2179,10 @@ Return the server's response to the SELECT or EXAMINE command."
           (forward-char (1+ bytes))
           (delete-region (line-beginning-position) (line-end-position)))))))
 
-(defun nnimap-dummy-active-number (group &optional server)
+(defun nnimap-dummy-active-number (_group &optional _server)
   1)
 
-(defun nnimap-save-mail-spec (group-art &optional server full-nov)
+(defun nnimap-save-mail-spec (group-art &optional _server _full-nov)
   (let (article)
     (goto-char (point-min))
     (if (not (re-search-forward "X-nnimap-article: \\([0-9]+\\)" nil t))