bug#41276: [PATCH v2 4/8] Improve and add doc-strings

[Jonas Bernoulli <jonas@bernoul.li>]

* lisp/epa-file.el (epa-file-select-keys):
lisp/epa-hook.el (epa-file-name-regexp):
lisp/epa.el (epa-exit-buffer): Improve doc-string.
* lisp/epa-hook.el (epa-file-name-regexp-update): Add doc-string.
---
 lisp/epa-file.el |  4 ++--
 lisp/epa-hook.el | 11 +++++++----
 lisp/epa.el      |  3 +--
 3 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/lisp/epa-file.el b/lisp/epa-file.el
index dedf20b0d7..22c3dc1146 100644
--- a/lisp/epa-file.el
+++ b/lisp/epa-file.el
@@ -40,9 +40,9 @@ epa-file-cache-passphrase-for-symmetric-encryption
 (defcustom epa-file-select-keys nil
   "Control whether or not to pop up the key selection dialog.
 
-If t, always asks user to select recipients.
+If t, always ask user to select recipients.
 If nil, query user only when `epa-file-encrypt-to' is not set.
-If neither t nor nil, doesn't ask user.  In this case, symmetric
+If neither t nor nil, don't ask user.  In this case, symmetric
 encryption is used."
   :type '(choice (const :tag "Ask always" t)
 		 (const :tag "Ask when recipients are not set" nil)
diff --git a/lisp/epa-hook.el b/lisp/epa-hook.el
index d424e7a9fa..a86f23eb68 100644
--- a/lisp/epa-hook.el
+++ b/lisp/epa-hook.el
@@ -35,10 +35,10 @@ epa-file--file-name-regexp-set
 (defcustom epa-file-name-regexp (purecopy "\\.gpg\\(~\\|\\.~[0-9]+~\\)?\\'")
   "Regexp which matches filenames to be encrypted with GnuPG.
 
-If you set this outside Custom while epa-file is already enabled, you
-have to call `epa-file-name-regexp-update' after setting it to
-properly update file-name-handler-alist.  Setting this through Custom
-does that automatically."
+If you set this outside Custom while epa-file is already enabled,
+you have to call `epa-file-name-regexp-update' after setting it
+to properly update `file-name-handler-alist'.  Setting this
+through Custom does that automatically."
   :type 'regexp
   :group 'epa-file
   :set 'epa-file--file-name-regexp-set)
@@ -72,6 +72,9 @@ epa-file-auto-mode-alist-entry
   (list epa-file-name-regexp nil 'epa-file))
 
 (defun epa-file-name-regexp-update ()
+  "Update `file-name-handler-alist' after configuring outside Custom.
+After setting `epa-file-name-regexp-update' outside the Custom
+interface, update `file-name-handler-alist'."
   (interactive)
   (unless (equal (car epa-file-handler) epa-file-name-regexp)
     (setcar epa-file-handler epa-file-name-regexp)))
diff --git a/lisp/epa.el b/lisp/epa.el
index 40b3861ea8..e4d1e5b414 100644
--- a/lisp/epa.el
+++ b/lisp/epa.el
@@ -335,8 +335,7 @@ epa-unmark-key
   (epa-mark-key (not arg)))
 
 (defun epa-exit-buffer ()
-  "Exit the current buffer.
-`epa-exit-buffer-function' is called if it is set."
+  "Exit the current buffer using `epa-exit-buffer-function'."
   (interactive)
   (funcall epa-exit-buffer-function))
 
-- 
2.26.0