emacs: various comment improvements

emacs/notmuch-address.el

@@ -381,7 +381,7 @@ to be a saved address hash."
 (defun notmuch-address--save-address-hash ()
   (when notmuch-address-save-filename
     (if (or (not (file-exists-p notmuch-address-save-filename))
-	    ;; The file exists, check it is a file we saved
+	    ;; The file exists, check it is a file we saved.
 	    (notmuch-address--get-address-hash))
 	(with-temp-file notmuch-address-save-filename
 	  (let ((save-plist
@@ -404,8 +404,7 @@ appear to be an address savefile.  Not overwriting."
        nil nil
        (lambda (_proc event)
 	 ;; If harvest fails, we want to try
-	 ;; again when the trigger is next
-	 ;; called
+	 ;; again when the trigger is next called.
 	 (if (string= event "finished\n")
 	     (progn
 	       (notmuch-address--save-address-hash)

emacs/notmuch-hello.el

@@ -731,9 +731,7 @@ The screen may be customized via `\\[customize]'.
 Complete list of currently available key bindings:
 
 \\{notmuch-hello-mode-map}"
-  (setq notmuch-buffer-refresh-function #'notmuch-hello-update)
-  ;;(setq buffer-read-only t)
-  )
+  (setq notmuch-buffer-refresh-function #'notmuch-hello-update))
 
 ;;; Inserters
 

emacs/notmuch-lib.el

@@ -247,7 +247,7 @@ displays both values separately."
   (let* ((val (notmuch-command-to-string "config" "get" item))
 	 (len (length val)))
     ;; Trim off the trailing newline (if the value is empty or not
-    ;; configured, there will be no newline)
+    ;; configured, there will be no newline).
     (if (and (> len 0)
 	     (= (aref val (- len 1)) ?\n))
 	(substring val 0 -1)
@@ -483,8 +483,8 @@ be displayed."
 ;;; String Utilities
 
 (defun notmuch-prettify-subject (subject)
-  ;; This function is used by `notmuch-search-process-filter' which
-  ;; requires that we not disrupt its' matching state.
+  ;; This function is used by `notmuch-search-process-filter',
+  ;; which requires that we not disrupt its matching state.
   (save-match-data
     (if (and subject
 	     (string-match "^[ \t]*$" subject))