emacs: Improve doc-strings

[notmuch] / emacs / notmuch-tree.el

diff --git a/emacs/notmuch-tree.el b/emacs/notmuch-tree.el
index a5ae0edb1dec98908065379ad77a69cb9921d7be..364da2402887ea57a5ab5c829c738631e1298339 100644 (file)
--- a/emacs/notmuch-tree.el
+++ b/emacs/notmuch-tree.el
@@ -587,7 +587,7 @@ Shows in split pane or whole window according to value of
        (scroll-up)))))
 
 (defun notmuch-tree-scroll-message-window-back ()
-  "Scroll the message window back(if it exists)."
+  "Scroll the message window back (if it exists)."
   (interactive)
   (when (window-live-p notmuch-tree-message-window)
     (with-selected-window notmuch-tree-message-window
@@ -596,7 +596,8 @@ Shows in split pane or whole window according to value of
        (scroll-down)))))
 
 (defun notmuch-tree-scroll-or-next ()
-  "Scroll the message window. If it at end go to next message."
+  "Scroll the message window.
+If it at end go to next message."
   (interactive)
   (when (notmuch-tree-scroll-message-window)
     (notmuch-tree-next-matching-message)))
@@ -967,19 +968,19 @@ Complete list of currently available key bindings:
        (never-found-target-thread nil))
     (when (memq status '(exit signal))
       (kill-buffer (process-get proc 'parse-buf))
-      (if (buffer-live-p buffer)
-         (with-current-buffer buffer
-           (save-excursion
-             (let ((inhibit-read-only t)
-                   (atbob (bobp)))
-               (goto-char (point-max))
-               (if (eq status 'signal)
-                   (insert "Incomplete search results (tree view process was killed).\n"))
-               (when (eq status 'exit)
-                 (insert "End of search results.")
-                 (unless (= exit-status 0)
-                   (insert (format " (process returned %d)" exit-status)))
-                 (insert "\n")))))))))
+      (when (buffer-live-p buffer)
+       (with-current-buffer buffer
+         (save-excursion
+           (let ((inhibit-read-only t)
+                 (atbob (bobp)))
+             (goto-char (point-max))
+             (when (eq status 'signal)
+               (insert "Incomplete search results (tree view process was killed).\n"))
+             (when (eq status 'exit)
+               (insert "End of search results.")
+               (unless (= exit-status 0)
+                 (insert (format " (process returned %d)" exit-status)))
+               (insert "\n")))))))))
 
 (defun notmuch-tree-process-filter (proc string)
   "Process and filter the output of \"notmuch show\" for tree view."
@@ -1009,7 +1010,8 @@ the same as for the function notmuch-tree."
   (setq notmuch-tree-basic-query basic-query)
   (setq notmuch-tree-query-context (if (or (string= query-context "")
                                           (string= query-context "*"))
-                                      nil query-context))
+                                      nil
+                                    query-context))
   (setq notmuch-tree-target-msg target)
   (setq notmuch-tree-open-target open-target)
   ;; Set the default value for `notmuch-show-process-crypto' in this
@@ -1023,8 +1025,8 @@ the same as for the function notmuch-tree."
                              (and query-context
                                   (concat " and (" query-context ")"))))
         (message-arg (if unthreaded "--unthreaded" "--entire-thread")))
-    (if (equal (car (process-lines notmuch-command "count" search-args)) "0")
-       (setq search-args basic-query))
+    (when (equal (car (process-lines notmuch-command "count" search-args)) "0")
+      (setq search-args basic-query))
     (notmuch-tag-clear-cache)
     (let ((proc (notmuch-start-notmuch
                 "notmuch-tree" (current-buffer) #'notmuch-tree-process-sentinel