Checkdoc fixes in erc/*.el

* lisp/erc/erc-backend.el (erc-server-parameters):
* lisp/erc/erc-button.el (erc-button--display-error-with-buttons):
* lisp/erc/erc-dcc.el (erc-dcc-member):
* lisp/erc/erc-fill.el (erc-fill-wrap-refill-buffer):
* lisp/erc/erc-speedbar.el (erc-speedbar--last-ran):
* lisp/erc/erc-stamp.el (erc-stamp--current-time):
* lisp/erc/erc-track.el (erc-make-mode-line-buffer-name):
* lisp/erc/erc.el (erc-interactive-display, erc-modules, erc-cmd-CLEAR)
(erc-update-current-channel-member, erc--format-user-modes)
(erc-check-text-conversion): Checkdoc fixes.

lisp/erc/erc-backend.el

@@ -260,7 +260,7 @@ or
 where PARAMETER is a string and VALUE is a string or nil.  For
 compatibility, a raw parameter of the form \"FOO=\" becomes
 (\"FOO\" . \"\") even though it's equivalent to the preferred
-canonical form \"FOO\" and its lisp representation (\"FOO\").
+canonical form \"FOO\" and its Lisp representation (\"FOO\").
 
 Some examples of possible parameters sent by servers:
 CHANMODES=b,k,l,imnpst - list of supported channel modes

lisp/erc/erc-button.el

@@ -815,7 +815,7 @@ and `apropos' for other symbols."
 
 (defun erc-button--display-error-with-buttons
     (from to fun nick-p &optional data regexp)
-  "Replace command in region with keys and return new bounds"
+  "Replace command in region with keys and return new bounds."
   (let* ((o (buffer-substring from to))
          (s (substitute-command-keys o))
          (erc-button-face (and (equal o s) erc-button-face)))

lisp/erc/erc-dcc.el

@@ -173,7 +173,7 @@ ARGS is a plist.  Return nil on no match.
 
 The property :nick is treated specially, if it contains a `!' character,
 it is treated as a nick!user@host string, and compared with the :nick property
-value of the individual elements using string-equal.  Otherwise it is
+value of the individual elements using `string-equal'.  Otherwise it is
 compared with `erc-nick-equal-p' which is IRC case-insensitive."
   (let ((list erc-dcc-list)
         result test)

lisp/erc/erc-fill.el

@@ -799,7 +799,7 @@ necessary after revealing previously hidden text with commands
 like `erc-match-toggle-hidden-fools'."
   (interactive "P")
   (unless erc-fill-wrap-mode
-    (user-error "Module `fill-wrap' not active in current buffer."))
+    (user-error "Module `fill-wrap' not active in current buffer"))
   (save-excursion
     (with-silent-modifications
       (let* ((rep (make-progress-reporter

lisp/erc/erc-speedbar.el

@@ -548,7 +548,7 @@ associated with an ERC session."
   "Speedbar update period.")
 
 (defvar-local erc-speedbar--last-ran nil
-  "When non-nil, a lisp timestamp updated when the speedbar timer runs.")
+  "When non-nil, a Lisp timestamp updated when the speedbar timer runs.")
 
 (defun erc-speedbar--prod-dframe-timer (&rest _)
   "Refresh speedbar if dormant for `erc-speedbar--force-update-interval-secs'."

lisp/erc/erc-stamp.el

@@ -210,11 +210,11 @@ from entering them and instead jump over them."
 
 (defvar erc-stamp--current-time nil
   "The current time when calling `erc-insert-timestamp-function'.
-Specifically, this is the same lisp time object used to create
+Specifically, this is the same Lisp time object used to create
 the stamp passed to `erc-insert-timestamp-function'.")
 
 (cl-defgeneric erc-stamp--current-time ()
-  "Return a lisp time object to associate with an IRC message.
+  "Return a Lisp time object to associate with an IRC message.
 This becomes the message's `erc--ts' text property."
   (erc-compat--current-lisp-time))
 

lisp/erc/erc-track.el

@@ -760,7 +760,7 @@ the number of unread messages, according to variables
 `erc-track-showcount' and `erc-track-showcount-string'.
 
 If `erc-track-use-faces' is true and FACES are provided, format
-STRING with them. When the mouse hovers above the button, STRING
+STRING with them.  When the mouse hovers above the button, STRING
 is displayed according to `erc-track-mouse-face'."
   ;; We define a new sparse keymap every time, because 1. this data
   ;; structure is very small, the alternative would require us to

lisp/erc/erc.el

@@ -1868,7 +1868,7 @@ the value of this option is DISPLAY-FUNCTION."
   "How to display buffers as a result of user interaction.
 This affects commands like /QUERY and /JOIN when issued
 interactively at the prompt.  It does not apply when calling a
-handler for such a command, like `erc-cmd-JOIN', from lisp code.
+handler for such a command, like `erc-cmd-JOIN', from Lisp code.
 See `erc-buffer-display' for a full description of available
 values.
 
@@ -2269,7 +2269,7 @@ buffer rather than a server buffer.")
                           list match menu move-to-prompt netsplit
                           networks readonly ring stamp track)
   "Modules to enable while connecting.
-When modifying this option in lisp code, use a Custom-friendly
+When modifying this option in Lisp code, use a Custom-friendly
 facilitator, like `setopt', or call `erc-update-modules'
 afterward.  This ensures a consistent ordering and disables
 removed modules.  It also gives packages access to the hook
@@ -4476,7 +4476,7 @@ Called with position indicating boundary of interval to be excised.")
 (defun erc-cmd-CLEAR ()
   "Clear messages in current buffer after informing active modules.
 Expect modules to perform housekeeping tasks to withstand the
-disruption.  When called from lisp code, only clear messages up
+disruption.  When called from Lisp code, only clear messages up
 to but not including the one occupying the current line."
   (with-silent-modifications
     (let ((max (if (>= (point) erc-insert-marker)
@@ -7288,7 +7288,7 @@ status switches among VOICE, HALFOP, OP, ADMIN, and OWNER to be
 the symbol `on' or `off' when needing to influence a new or
 existing `erc-channel-user' object's `status' slot.  Likewise,
 when UPDATE-MESSAGE-TIME is non-nil, update or initialize the
-`last-message-time' slot to the current-time.  If changes occur,
+`last-message-time' slot to the `current-time'.  If changes occur,
 including creation, run `erc-channel-members-changed-hook'.
 Return non-nil when meaningful changes, including creation, have
 occurred.
@@ -9173,7 +9173,7 @@ Currently only used by the option `erc-prompt-format'.")
 ;; As of ERC 5.6, this is identical to the away variant aside from
 ;; the var names and `eq', which isn't important.
 (defun erc--format-user-modes ()
-  "Return server's user modes as a string"
+  "Return server's user modes as a string."
   (and-let* ((indicator (erc-with-server-buffer
                           (or erc--user-modes-indicator
                               (setq erc--user-modes-indicator (list "")))))
@@ -9730,7 +9730,7 @@ or `erc-kill-buffer-hook' if any other buffer."
 (defun erc-check-text-conversion ()
   "Check if point is within the ERC prompt and toggle text conversion.
 If `text-conversion-style' is not `action' if point is within the
-prompt or `nil' otherwise, set it to such a value, so as to
+prompt or nil otherwise, set it to such a value, so as to
 guarantee that the input method functions properly for the
 purpose of typing within the ERC prompt."
   (when (and (eq major-mode 'erc-mode)