Merge from origin/emacs-26

e5a2933 (origin/emacs-26) lisp/vc/: documentation fixes
f21f8e6 Document 'desktop-files-not-to-save'
d8917eb Improve documentation of Profiling features
b228839 Improve indexing of "performance" in ELisp manual
ab67b3e Minor change in Emacs manual's VC chapter
c352434 Avoid memory corruption with specpdl overflow + edebug (Bug#3...
593bbda Document comment-fill-column in the manual (Bug#11636)
bd4cc8d * doc/emacs/dired.texi (Marks vs Flags): Copyedits.
69107f3 ; Fix doc typos related to indefinite articles
aaad1e6 Merge branch 'emacs-26' of git.savannah.gnu.org:/srv/git/emac...
5906418 More fixes for the Emacs manual
9ab3df1 ; Fix doc typos related to indefinite articles
66a4e65 ; Fix doc typos related to indefinite articles
35e5c57 ; Fix doc typos related to indefinite articles

74 files changed, 118 insertions, 113 deletions

diff --git a/lisp/calendar/holidays.el b/lisp/calendar/holidays.el
index 198c3bb087f..f38308378d6 100644
--- a/lisp/calendar/holidays.el
+++ b/lisp/calendar/holidays.el
@@ -399,7 +399,7 @@ use instead of point."
 (defun holidays (&optional arg)
   "Display the holidays for last month, this month, and next month.
 If called with an optional prefix argument ARG, prompts for month and year.
-This function is suitable for execution in a init file."
+This function is suitable for execution in an init file."
   (interactive "P")
   (save-excursion
     (let* ((completion-ignore-case t)
diff --git a/lisp/calendar/todo-mode.el b/lisp/calendar/todo-mode.el
index 4246ca5a38a..5161ae8d668 100644
--- a/lisp/calendar/todo-mode.el
+++ b/lisp/calendar/todo-mode.el
@@ -623,7 +623,7 @@ Todo mode revisit this file or, with option
 file was last visited.
 
 If you call this command before you have created any todo file in
-the current format, and you have an todo file in old format, it
+the current format, and you have a todo file in old format, it
 will ask you whether to convert that file and show it.
 Otherwise, calling this command before any todo file exists
 prompts for a file name and an initial category (defaulting to
diff --git a/lisp/cedet/ede/cpp-root.el b/lisp/cedet/ede/cpp-root.el
index 76afe9b9bfd..bcefb4e340c 100644
--- a/lisp/cedet/ede/cpp-root.el
+++ b/lisp/cedet/ede/cpp-root.el
@@ -137,7 +137,7 @@
 ;; Need a way to reconfigure a project, and have it affect all open buffers.
 ;; From Tobias Gerdin:
 ;;
-;;   >>3) Is there any way to refresh a ede-cpp-root-project dynamically? I have
+;;   >>3) Is there any way to refresh an ede-cpp-root-project dynamically? I have
 ;;   >>some file open part of the project, fiddle with the include paths and would
 ;;   >>like the open buffer to notice this when I re-evaluate the
 ;;   >>ede-cpp-root-project constructor.
diff --git a/lisp/cedet/ede/files.el b/lisp/cedet/ede/files.el
index 36ec7a1d894..c95402e365d 100644
--- a/lisp/cedet/ede/files.el
+++ b/lisp/cedet/ede/files.el
@@ -25,7 +25,7 @@
 ;;
 ;; Basic Model:
 ;;
-;; A directory belongs to a project if a ede-project-autoload structure
+;; A directory belongs to a project if an ede-project-autoload structure
 ;; matches your directory.
 ;;
 ;; A toplevel project is one where there is no active project above
diff --git a/lisp/cedet/semantic/analyze.el b/lisp/cedet/semantic/analyze.el
index 8f3d5b2b1cf..7c9f102951d 100644
--- a/lisp/cedet/semantic/analyze.el
+++ b/lisp/cedet/semantic/analyze.el
@@ -121,7 +121,7 @@ See `semantic-analyze-scoped-tags' for details.")
            :type buffer
            :documentation "The buffer this context is derived from.")
    (errors :initarg :errors
-           :documentation "Any errors thrown an caught during analysis.")
+           :documentation "Any errors thrown and caught during analysis.")
    )
   "Base analysis data for any context.")
 
diff --git a/lisp/cedet/semantic/dep.el b/lisp/cedet/semantic/dep.el
index 6f1bde02091..640884d014b 100644
--- a/lisp/cedet/semantic/dep.el
+++ b/lisp/cedet/semantic/dep.el
@@ -67,7 +67,7 @@ For mode authors, use
 `defcustom-mode-local-semantic-dependency-system-include-path'
 to create a mode-specific variable to control this.
 
-When searching for a file associated with a name found in an tag of
+When searching for a file associated with a name found in a tag of
 class include, this path will be inspected for includes of type
 `system'.  Some include tags are agnostic to this setting and will
 check both the project and system directories.")
diff --git a/lisp/cedet/semantic/lex.el b/lisp/cedet/semantic/lex.el
index 0403e5e7f20..0cc296f09da 100644
--- a/lisp/cedet/semantic/lex.el
+++ b/lisp/cedet/semantic/lex.el
@@ -408,7 +408,7 @@ TYPE name does not exist.  Otherwise signal an error."
 SPECS must be a list of (TYPE . TOKENS) elements, where:
 
   TYPE is the name of the type symbol to define.
-  TOKENS is an list of (TOKSYM . MATCHER) elements, where:
+  TOKENS is a list of (TOKSYM . MATCHER) elements, where:
 
     TOKSYM is any lexical token symbol.
     MATCHER is a string or regexp a text must match to be a such
diff --git a/lisp/cedet/semantic/util-modes.el b/lisp/cedet/semantic/util-modes.el
index 6374a0cb089..54c9578773a 100644
--- a/lisp/cedet/semantic/util-modes.el
+++ b/lisp/cedet/semantic/util-modes.el
@@ -782,7 +782,7 @@ If there is no function, disable the header line."
                   (goto-char (semantic-tag-start tag))
                   ;; Klaus Berndl <klaus.berndl@sdm.de>:
                   ;; goto the tag name; this is especially needed for languages
-                  ;; like c++ where a often used style is like:
+                  ;; like c++ where an often used style is like:
                   ;;     void
                   ;;     ClassX::methodM(arg1...)
                   ;;     {
diff --git a/lisp/cedet/srecode/el.el b/lisp/cedet/srecode/el.el
index f5f1265ccda..ff9e1d53f91 100644
--- a/lisp/cedet/srecode/el.el
+++ b/lisp/cedet/srecode/el.el
@@ -24,7 +24,7 @@
 ;; Emacs Lisp specific handlers.  To use these handlers in your
 ;; template, add the :name part to your template argument list.
 ;;
-;; Error if not in a Emacs Lisp mode
+;; Error if not in an Emacs Lisp mode
 
 ;;; Code:
 
diff --git a/lisp/cus-edit.el b/lisp/cus-edit.el
index 8284e91b790..816c7f7881a 100644
--- a/lisp/cus-edit.el
+++ b/lisp/cus-edit.el
@@ -1192,7 +1192,7 @@ For example, the MH-E package updates this alist as follows:
 
 The value of PACKAGE needs to be unique and it needs to match the
 PACKAGE value appearing in the :package-version keyword.  Since
-the user might see the value in a error message, a good choice is
+the user might see the value in an error message, a good choice is
 the official name of the package, such as MH-E or Gnus.")
 
 ;;;###autoload
diff --git a/lisp/desktop.el b/lisp/desktop.el
index 420d62a366f..8bd44658d85 100644
--- a/lisp/desktop.el
+++ b/lisp/desktop.el
@@ -393,7 +393,8 @@ or `desktop-modes-not-to-save'."
 ;; Skip tramp and ange-ftp files
 (defcustom desktop-files-not-to-save
   "\\(^/[^/:]*:\\|(ftp)$\\)"
-  "Regexp identifying files whose buffers are to be excluded from saving."
+  "Regexp identifying files whose buffers are to be excluded from saving.
+The default value excludes buffers visiting remote files."
   :type '(choice (const :tag "None" nil)
                  regexp)
   :group 'desktop)
diff --git a/lisp/emacs-lisp/benchmark.el b/lisp/emacs-lisp/benchmark.el
index 0dc9333d5fa..b86b56b81ec 100644
--- a/lisp/emacs-lisp/benchmark.el
+++ b/lisp/emacs-lisp/benchmark.el
@@ -96,7 +96,8 @@ result.  The overhead of the `lambda's is accounted for."
 ;;;###autoload
 (defun benchmark (repetitions form)
   "Print the time taken for REPETITIONS executions of FORM.
-Interactively, REPETITIONS is taken from the prefix arg.
+Interactively, REPETITIONS is taken from the prefix arg, and
+the command prompts for the form to benchmark.
 For non-interactive use see also `benchmark-run' and
 `benchmark-run-compiled'."
   (interactive "p\nxForm: ")
diff --git a/lisp/emacs-lisp/edebug.el b/lisp/emacs-lisp/edebug.el
index a0b42086308..4f97712b980 100644
--- a/lisp/emacs-lisp/edebug.el
+++ b/lisp/emacs-lisp/edebug.el
@@ -641,7 +641,7 @@ list of a symbol.")
 
 (defun edebug-form-data-symbol ()
   "Return the edebug data symbol of the form where point is in.
-If point is not inside a edebuggable form, cause error."
+If point is not inside an edebuggable form, signal an error."
   (or (edebug--form-data-name (edebug-get-form-data-entry (point)))
       (error "Not inside instrumented form")))
 
diff --git a/lisp/emacs-lisp/elp.el b/lisp/emacs-lisp/elp.el
index 2dc18163aa3..012e7cf1cd3 100644
--- a/lisp/emacs-lisp/elp.el
+++ b/lisp/emacs-lisp/elp.el
@@ -278,8 +278,9 @@ Argument FUNSYM is the symbol of a defined function."
 (defun elp-instrument-list (&optional list)
   "Instrument, for profiling, all functions in `elp-function-list'.
 Use optional LIST if provided instead.
-If called interactively, read LIST using the minibuffer."
-  (interactive "PList of functions to instrument: ") ;FIXME: Doesn't work?!
+If called interactively, prompt for LIST in the minibuffer;
+type \"nil\" to use `elp-function-list'."
+  (interactive "xList of functions to instrument: ")
   (unless (listp list)
     (signal 'wrong-type-argument (list 'listp list)))
   (mapcar #'elp-instrument-function (or list elp-function-list)))
diff --git a/lisp/emacs-lisp/ewoc.el b/lisp/emacs-lisp/ewoc.el
index b88a1a5097c..262d4d85941 100644
--- a/lisp/emacs-lisp/ewoc.el
+++ b/lisp/emacs-lisp/ewoc.el
@@ -411,7 +411,7 @@ If the EWOC is empty, nil is returned."
      ((>= pos (ewoc--node-start-marker (ewoc--node-nth dll -2)))
       (ewoc--node-nth dll -2))
 
-     ;; We now know that pos is within a elem.
+     ;; We now know that pos is within an elem.
      (t
       ;; Make an educated guess about which of the three known
       ;; node'es (the first, the last, or GUESS) is nearest.
diff --git a/lisp/emacs-lisp/package.el b/lisp/emacs-lisp/package.el
index ab02d4255b1..999e0d07524 100644
--- a/lisp/emacs-lisp/package.el
+++ b/lisp/emacs-lisp/package.el
@@ -1750,7 +1750,7 @@ with PKG-DESC entry removed."
   "Return a list of dependencies for PACKAGE sorted by dependency.
 PACKAGE is included as the first element of the returned list.
 ONLY is an alist associating package names to package objects.
-Only these packages will be in the return value an their cdrs are
+Only these packages will be in the return value and their cdrs are
 destructively set to nil in ONLY."
   (let ((out))
     (dolist (dep (package-desc-reqs package))
diff --git a/lisp/epa.el b/lisp/epa.el
index 8694de48172..5c237bca9b4 100644
--- a/lisp/epa.el
+++ b/lisp/epa.el
@@ -267,7 +267,7 @@ You should bind this variable with `let', but do not set it globally.")
 (defvar epa-exit-buffer-function #'quit-window)
 
 (define-widget 'epa-key 'push-button
-  "Button for representing a epg-key object."
+  "Button for representing an epg-key object."
   :format "%[%v%]"
   :button-face-get 'epa--key-widget-button-face-get
   :value-create 'epa--key-widget-value-create
diff --git a/lisp/eshell/esh-cmd.el b/lisp/eshell/esh-cmd.el
index ddab3350493..61c0ebc71d0 100644
--- a/lisp/eshell/esh-cmd.el
+++ b/lisp/eshell/esh-cmd.el
@@ -80,7 +80,7 @@
 ;;
 ;;   echo x$(+ 1 2) "String $(+ 1 2)"
 ;;
-;; To pass a Lisp symbol as a argument, use the alternate quoting
+;; To pass a Lisp symbol as an argument, use the alternate quoting
 ;; syntax, since the single quote character is far too overused in
 ;; shell syntax:
 ;;
diff --git a/lisp/eshell/esh-proc.el b/lisp/eshell/esh-proc.el
index 841a95006f1..59fb9b926d4 100644
--- a/lisp/eshell/esh-proc.el
+++ b/lisp/eshell/esh-proc.el
@@ -87,7 +87,7 @@ variable's value to take effect."
   "Called each time a process is exec'd by `eshell-gather-process-output'.
 It is passed one argument, which is the process that was just started.
 It is useful for things that must be done each time a process is
-executed in a eshell mode buffer (e.g., `process-kill-without-query').
+executed in an eshell mode buffer (e.g., `process-kill-without-query').
 In contrast, `eshell-mode-hook' is only executed once when the buffer
 is created."
   :type 'hook
diff --git a/lisp/faces.el b/lisp/faces.el
index 0fe839d620e..18b821a0b69 100644
--- a/lisp/faces.el
+++ b/lisp/faces.el
@@ -698,7 +698,7 @@ Otherwise, VALUE must be a property list of the form:
 
 `(:color COLOR :style STYLE)'.
 
-COLOR can be a either a color name string or `foreground-color'.
+COLOR can be either a color name string or `foreground-color'.
 STYLE can be either `line' or `wave'.
 If a keyword/value pair is missing from the property list, a
 default value will be used for the value.
diff --git a/lisp/ffap.el b/lisp/ffap.el
index d584692533a..4e479d1b82b 100644
--- a/lisp/ffap.el
+++ b/lisp/ffap.el
@@ -1081,7 +1081,7 @@ If a given RFC isn't in these then `ffap-rfc-path' is offered."
     ;; * strip trailing "@" and ":"
     ;; * no commas (good for latex)
     (file "--:\\\\${}+<>@-Z_[:alpha:]~*?" "<@" "@>;.,!:")
-    ;; An url, or maybe a email/news message-id:
+    ;; An url, or maybe an email/news message-id:
     (url "--:=&?$+@-Z_[:alpha:]~#,%;*()!'" "^[0-9a-zA-Z]" ":;.,!?")
     ;; Find a string that does *not* contain a colon:
     (nocolon "--9$+<>@-Z_[:alpha:]~" "<@" "@>;.,!?")
diff --git a/lisp/filenotify.el b/lisp/filenotify.el
index d88578b65c8..5d37f39a70b 100644
--- a/lisp/filenotify.el
+++ b/lisp/filenotify.el
@@ -424,7 +424,7 @@ DESCRIPTOR should be an object returned by `file-notify-add-watch'."
 ;; TODO:
 ;; * Watching a /dir/file may receive events for dir.
 ;;   (This may be the desired behaviour.)
-;; * Watching a file in a already watched directory
+;; * Watching a file in an already watched directory
 ;;   If the file is created and *then* a watch is added to that file, the
 ;;   watch might receive events which occurred prior to it being created,
 ;;   due to the way events are propagated during idle time.  Note: This
diff --git a/lisp/font-lock.el b/lisp/font-lock.el
index 6f28569fc32..29d3bc58646 100644
--- a/lisp/font-lock.el
+++ b/lisp/font-lock.el
@@ -1835,7 +1835,7 @@ If SYNTACTIC-KEYWORDS is non-nil, it means these keywords are used for
                                (eval keywords)))))
 
 (defun font-lock-value-in-major-mode (values)
-  "If VALUES is an list, use `major-mode' as a key and return the `assq' value.
+  "If VALUES is a list, use `major-mode' as a key and return the `assq' value.
 VALUES should then be an alist on the form ((MAJOR-MODE . VALUE) ...) where
 MAJOR-MODE may be t.
 If VALUES isn't a list, return VALUES."
diff --git a/lisp/gnus/deuglify.el b/lisp/gnus/deuglify.el
index ce3ead3568f..d2bc87caa27 100644
--- a/lisp/gnus/deuglify.el
+++ b/lisp/gnus/deuglify.el
@@ -284,7 +284,7 @@
   :group 'gnus-outlook-deuglify)
 
 (defcustom gnus-outlook-display-hook nil
-  "A hook called after an deuglified article has been prepared.
+  "A hook called after a deuglified article has been prepared.
 It is run after `gnus-article-prepare-hook'."
   :version "22.1"
   :type 'hook
diff --git a/lisp/gnus/gnus-agent.el b/lisp/gnus/gnus-agent.el
index c786a9c82de..ada148d20b2 100644
--- a/lisp/gnus/gnus-agent.el
+++ b/lisp/gnus/gnus-agent.el
@@ -451,7 +451,7 @@ manipulated as follows:
 (defvar gnus-agent-mode-status '(gnus-agent-mode " Plugged"))
 
 (defun gnus-agent-mode ()
-  "Minor mode for providing a agent support in Gnus buffers."
+  "Minor mode for providing agent support in Gnus buffers."
   (let* ((buffer (progn (string-match "^gnus-\\(.*\\)-mode$"
                                       (symbol-name major-mode))
                         (match-string 1 (symbol-name major-mode))))
diff --git a/lisp/gnus/gnus-cache.el b/lisp/gnus/gnus-cache.el
index d1324fef633..1cdfea625fc 100644
--- a/lisp/gnus/gnus-cache.el
+++ b/lisp/gnus/gnus-cache.el
@@ -443,7 +443,7 @@ A group name is decoded according to
 decoded again according to `nnmail-pathname-coding-system',
 `file-name-coding-system', or `default-file-name-coding-system'.
 
-It is used when asking for a original group name from a cache
+It is used when asking for an original group name from a cache
 directory name, in which non-ASCII characters might have been unified
 into the ones of a certain charset particularly if the `utf-8' coding
 system for example was used.")
diff --git a/lisp/gnus/gnus-cus.el b/lisp/gnus/gnus-cus.el
index 00ccfb7e3dd..f4c0aa73327 100644
--- a/lisp/gnus/gnus-cus.el
+++ b/lisp/gnus/gnus-cus.el
@@ -365,7 +365,7 @@ category."))
     (unless (or group topic)
       (error "No group on current line"))
     (when (and group topic)
-      (error "Both a group an topic on current line"))
+      (error "Both a group and topic on current line"))
     (unless (or topic (setq info (gnus-get-info group)))
       (error "Killed group; can't be edited"))
     ;; Ready.
diff --git a/lisp/gnus/gnus-fun.el b/lisp/gnus/gnus-fun.el
index d0557dc7e4d..40c6d511115 100644
--- a/lisp/gnus/gnus-fun.el
+++ b/lisp/gnus/gnus-fun.el
@@ -66,7 +66,7 @@
 (defcustom gnus-convert-image-to-x-face-command
   "convert -scale 48x48! %s xbm:- | xbm2xface.pl"
   "Command for converting an image to an X-Face.
-The command must take a image filename (use \"%s\") as input.
+The command must take an image filename (use \"%s\") as input.
 The output must be the X-Face header data on stdout."
   :version "22.1"
   :group 'gnus-fun
diff --git a/lisp/gnus/gnus.el b/lisp/gnus/gnus.el
index 0edde630fcb..123b64ac6cc 100644
--- a/lisp/gnus/gnus.el
+++ b/lisp/gnus/gnus.el
@@ -2378,11 +2378,11 @@ This variable is persisted in the user's .newsrc.eld file.")
 
 ;; Propagate flags to server, with the following exceptions:
 ;; `seen' is private to each gnus installation
-;; `cache' is a internal gnus flag for each gnus installation
-;; `download' is a agent flag private to each gnus installation
+;; `cache' is an internal gnus flag for each gnus installation
+;; `download' is an agent flag private to each gnus installation
 ;; `unsend' are for nndraft groups only
 ;; `score' is not a proper mark
-;; `bookmark': don't propagated it, or fix the bug in update-mark.
+;; `bookmark': don't propagate it, or fix the bug in update-mark.
 (defconst gnus-article-unpropagated-mark-lists
   '(seen cache download unsend score bookmark unexist)
   "Marks that shouldn't be propagated to back ends.
diff --git a/lisp/hexl.el b/lisp/hexl.el
index 681a26b6809..d716405f97a 100644
--- a/lisp/hexl.el
+++ b/lisp/hexl.el
@@ -890,7 +890,7 @@ This discards the buffer's undo information."
         (error "Invalid hex digit `%c'" ch)))))
 
 (defun hexl-oct-char-to-integer (character)
-  "Take a char and return its value as if it was a octal digit."
+  "Take a char and return its value as if it was an octal digit."
   (if (and (>= character ?0) (<= character ?7))
       (- character ?0)
     (error "Invalid octal digit `%c'" character)))
diff --git a/lisp/htmlfontify.el b/lisp/htmlfontify.el
index 82c0a89561d..dfa6bde2972 100644
--- a/lisp/htmlfontify.el
+++ b/lisp/htmlfontify.el
@@ -1630,7 +1630,7 @@ TEXT-ID marks a unique position within a block.  It is set to
 value of `point' at the current buffer position.
 
 TEXT-BEGINS-BLOCK-P is a boolean and is non-nil if the current
-span also begins a invisible portion of text.
+span also begins an invisible portion of text.
 
 An implementation can use TEXT-BLOCK, TEXT-ID,
 TEXT-BEGINS-BLOCK-P to implement fold/unfold-on-mouse-click like
diff --git a/lisp/image/gravatar.el b/lisp/image/gravatar.el
index fe44f0dc834..e7c472db1df 100644
--- a/lisp/image/gravatar.el
+++ b/lisp/image/gravatar.el
@@ -60,11 +60,11 @@
   "Base URL for getting gravatars.")
 
 (defun gravatar-hash (mail-address)
-  "Create an hash from MAIL-ADDRESS."
+  "Create a hash from MAIL-ADDRESS."
   (md5 (downcase mail-address)))
 
 (defun gravatar-build-url (mail-address)
-  "Return an URL to retrieve MAIL-ADDRESS gravatar."
+  "Return a URL to retrieve MAIL-ADDRESS gravatar."
   (format "%s/%s?d=404&r=%s&s=%d"
           gravatar-base-url
           (gravatar-hash mail-address)
diff --git a/lisp/international/fontset.el b/lisp/international/fontset.el
index 45eabfcb40f..6f912074517 100644
--- a/lisp/international/fontset.el
+++ b/lisp/international/fontset.el
@@ -823,7 +823,7 @@
                     '("FreeMono" . "iso10646-1") nil 'prepend)
 
   ;; Since standard-fontset-spec on X uses fixed-medium font, which
-  ;; gets mapped to a iso8859-1 variant, we would like to prefer its
+  ;; gets mapped to an iso8859-1 variant, we would like to prefer its
   ;; iso10646-1 variant for symbols, where the coverage is known to be
   ;; good.
   (dolist (symbol-subgroup
diff --git a/lisp/mail/rmailedit.el b/lisp/mail/rmailedit.el
index 623a8291245..91aeb4187db 100644
--- a/lisp/mail/rmailedit.el
+++ b/lisp/mail/rmailedit.el
@@ -410,7 +410,7 @@ or else nil to insert it at the beginning.
 
 DELETED's elements are elements of OLD-HEADERS.
 CHANGED's elements have the form (OLD . NEW)
-where OLD is a element of OLD-HEADERS and NEW is an element of NEW-HEADERS."
+where OLD is an element of OLD-HEADERS and NEW is an element of NEW-HEADERS."
 
   (let ((reverse-new (reverse new-headers))
         inserted deleted changed)
diff --git a/lisp/mh-e/mh-e.el b/lisp/mh-e/mh-e.el
index 63d7a2973fb..05ff672da52 100644
--- a/lisp/mh-e/mh-e.el
+++ b/lisp/mh-e/mh-e.el
@@ -831,7 +831,7 @@ This assumes that a temporary buffer is set up."
                               (expand-file-name "flists" dir)))))))))
 
 (defun mh-file-command-p (file)
-  "Return t if file FILE is the name of a executable regular file."
+  "Return t if file FILE is the name of an executable regular file."
   (and (file-regular-p file) (file-executable-p file)))
 
 (defun mh-variant-set-variant (variant)
diff --git a/lisp/mh-e/mh-mime.el b/lisp/mh-e/mh-mime.el
index 967eb869a25..e2c682a3996 100644
--- a/lisp/mh-e/mh-mime.el
+++ b/lisp/mh-e/mh-mime.el
@@ -1242,7 +1242,7 @@ MESSAGE number."
                             "message/rfc822"
                             (if (string= "" description) nil description)
                             "inline"))
-          (t (error "The message number, %s, is not a integer" msg)))))
+          (t (error "The message number, %s, is not an integer" msg)))))
 
 (defun mh-mh-forward-message (&optional description folder messages)
   "Add tag to forward a message.
diff --git a/lisp/mh-e/mh-search.el b/lisp/mh-e/mh-search.el
index 3e591c65383..8b8ba964560 100644
--- a/lisp/mh-e/mh-search.el
+++ b/lisp/mh-e/mh-search.el
@@ -443,7 +443,7 @@ search all folders."
            (setq redo-flag t))
           ((mh-folder-exists-p new-folder)
            ;; Folder exists but we don't have it open. That means they are
-           ;; stale results from a old flists search. Clear it out.
+           ;; stale results from an old flists search. Clear it out.
            (mh-exec-cmd-quiet nil "rmf" new-folder)))
     (setq message (mh-search "+" mh-flists-results-folder
                              redo-flag window-config)
@@ -1583,7 +1583,7 @@ If the folder returned doesn't exist then it is created."
     chosen-name))
 
 (defun mh-index-folder-search-regexp (folder)
-  "If FOLDER was created by a index search, return the search regexp.
+  "If FOLDER was created by an index search, return the search regexp.
 Return nil if FOLDER doesn't exist or the .mhe_index file is
 garbled."
   (ignore-errors
@@ -1912,7 +1912,7 @@ origin-index) map is updated too."
 
 (defun mh-index-update-single-msg (msg checksum origin-map)
   "Update various maps for one message.
-MSG is a index folder message, CHECKSUM its MD5 hash and
+MSG is an index folder message, CHECKSUM its MD5 hash and
 ORIGIN-MAP, if non-nil, a hash table containing which maps each
 message in the index folder to the folder and message that it was
 copied from. The function updates the hash tables
diff --git a/lisp/net/gnutls.el b/lisp/net/gnutls.el
index ea17fb518e2..85c9308c0d2 100644
--- a/lisp/net/gnutls.el
+++ b/lisp/net/gnutls.el
@@ -202,7 +202,7 @@ For the meaning of the rest of the parameters, see `gnutls-boot-parameters'."
      "boot: %s" params)
 
     (when (gnutls-errorp ret)
-      ;; This is a error from the underlying C code.
+      ;; This is an error from the underlying C code.
       (signal 'gnutls-error (list process ret)))
 
     process))
diff --git a/lisp/net/mailcap.el b/lisp/net/mailcap.el
index 748fb398933..4ec00450f4e 100644
--- a/lisp/net/mailcap.el
+++ b/lisp/net/mailcap.el
@@ -92,7 +92,7 @@ replaced with the file.
 MIME-TYPE is a regular expression being matched against the
 actual MIME type.  It is implicitly surrounded with ^ and $.
 
-TEST is an lisp form which is evaluated in order to test if the
+TEST is a lisp form which is evaluated in order to test if the
 entry should be chosen.  The `test' entry is optional.
 
 When selecting a viewer for a given MIME type, the first viewer
@@ -555,7 +555,7 @@ MAILCAPS if set; otherwise (on Unix) use the path from RFC 1524, plus
 (defun mailcap-mailcap-entry-passes-test (info)
   "Replace the test clause of INFO itself with a boolean for some cases.
 This function supports only `test -n $DISPLAY' and `test -z $DISPLAY',
-replaces them with t or nil.  As for others or if INFO has a interactive
+replaces them with t or nil.  As for others or if INFO has an interactive
 spec (needsterm, needsterminal, or needsx11) but DISPLAY is not set,
 the test clause will be unchanged."
   (let ((test (assq 'test info))        ; The test clause
diff --git a/lisp/nxml/xsd-regexp.el b/lisp/nxml/xsd-regexp.el
index f83dad57510..54f56dded37 100644
--- a/lisp/nxml/xsd-regexp.el
+++ b/lisp/nxml/xsd-regexp.el
@@ -208,7 +208,7 @@ Signal an error if it is not."
          (nreverse (xsdre-compile-regexp re nil))))
 
 (defun xsdre-compile-regexp (re accum)
-  "Return a Emacs regular expression for the symbolic regexp RE.
+  "Return an Emacs regular expression for the symbolic regexp RE.
 Returns a list of strings whose head is the regexp for RE
 and whose tail is ACCUM."
   (cond ((not (consp re))
@@ -271,7 +271,7 @@ and whose tail is ACCUM."
         (t (xsdre-compile-char-class re accum))))
 
 (defun xsdre-compile-char-class (cc accum)
-  "Return a Emacs regular expression for the symbolic character class CC.
+  "Return an Emacs regular expression for the symbolic character class CC.
 Returns a list of strings whose head is the regexp for CC
 and whose tail is ACCUM."
   (cons (if (integerp cc)
@@ -450,7 +450,7 @@ LOWER ::= UNICODE
 UPPER ::= UNICODE
 SYMBOLIC-CHAR-CLASS ::= SYMBOL
 
-where UNICODE is a integer specifying a Unicode code-point and
+where UNICODE is an integer specifying a Unicode code-point and
 SYMBOLIC-CHAR-CLASS is a symbol which has either a `xsdre-char-class'
 property whose value is a CHAR-CLASS, or a `xsdre-ranges' property
 whose value is a range-list."
diff --git a/lisp/org/ob-calc.el b/lisp/org/ob-calc.el
index f491a6cdef9..4ed5dd4be05 100644
--- a/lisp/org/ob-calc.el
+++ b/lisp/org/ob-calc.el
@@ -37,7 +37,7 @@
 (declare-function org-trim "org" (s &optional keep-lead))
 
 (defvar org-babel-default-header-args:calc nil
-  "Default arguments for evaluating an calc source block.")
+  "Default arguments for evaluating a calc source block.")
 
 (defun org-babel-expand-body:calc (body _params)
   "Expand BODY according to PARAMS, return the expanded body." body)
diff --git a/lisp/org/ob-core.el b/lisp/org/ob-core.el
index 5f378b2173f..0e2e78a6710 100644
--- a/lisp/org/ob-core.el
+++ b/lisp/org/ob-core.el
@@ -363,7 +363,7 @@ a window into the `org-babel-get-src-block-info' function."
 ;;;###autoload
 (defun org-babel-expand-src-block-maybe ()
   "Conditionally expand a source block.
-Detect if this is context for a org-babel src-block and if so
+Detect if this is context for an org-babel src-block and if so
 then run `org-babel-expand-src-block'."
   (interactive)
   (org-babel-when-in-src-block
@@ -372,7 +372,7 @@ then run `org-babel-expand-src-block'."
 ;;;###autoload
 (defun org-babel-load-in-session-maybe ()
   "Conditionally load a source block in a session.
-Detect if this is context for a org-babel src-block and if so
+Detect if this is context for an org-babel src-block and if so
 then run `org-babel-load-in-session'."
   (interactive)
   (org-babel-when-in-src-block
@@ -383,7 +383,7 @@ then run `org-babel-load-in-session'."
 ;;;###autoload
 (defun org-babel-pop-to-session-maybe ()
   "Conditionally pop to a session.
-Detect if this is context for a org-babel src-block and if so
+Detect if this is context for an org-babel src-block and if so
 then run `org-babel-switch-to-session'."
   (interactive)
   (org-babel-when-in-src-block
diff --git a/lisp/org/ob-org.el b/lisp/org/ob-org.el
index e52283848e4..310aaec3f39 100644
--- a/lisp/org/ob-org.el
+++ b/lisp/org/ob-org.el
@@ -34,7 +34,7 @@
 
 (defvar org-babel-default-header-args:org
   '((:results . "raw silent") (:exports . "code"))
-  "Default arguments for evaluating a org source block.")
+  "Default arguments for evaluating an org source block.")
 
 (defvar org-babel-org-default-header
   "#+TITLE: default empty header\n"
diff --git a/lisp/org/ob-picolisp.el b/lisp/org/ob-picolisp.el
index b6dc8986f95..fd129b899b2 100644
--- a/lisp/org/ob-picolisp.el
+++ b/lisp/org/ob-picolisp.el
@@ -35,7 +35,7 @@
 ;; (http://picolisp.com/5000/-2.html). PicoLisp is included in some
 ;; GNU/Linux Distributions, and can be downloaded here:
 ;; http://software-lab.de/down.html.  It ships with a picolisp-mode and
-;; a inferior-picolisp-mode for Emacs (to be found in the /lib/el/
+;; an inferior-picolisp-mode for Emacs (to be found in the /lib/el/
 ;; directory).
 
 ;; Although it might seem more natural to use Emacs Lisp for most
diff --git a/lisp/org/org-clock.el b/lisp/org/org-clock.el
index 9bc1f0c06d7..4c5fcc64b0f 100644
--- a/lisp/org/org-clock.el
+++ b/lisp/org/org-clock.el
@@ -1394,7 +1394,7 @@ the default behavior."
 ;;;###autoload
 (defun org-clock-in-last (&optional arg)
   "Clock in the last closed clocked item.
-When already clocking in, send an warning.
+When already clocking in, send a warning.
 With a universal prefix argument, select the task you want to
 clock in from the last clocked in tasks.
 With two universal prefix arguments, start clocking using the
diff --git a/lisp/org/org-eww.el b/lisp/org/org-eww.el
index 0792c87a6a4..3d9dddcac03 100644
--- a/lisp/org/org-eww.el
+++ b/lisp/org/org-eww.el
@@ -25,9 +25,9 @@
 ;;; Commentary:
 
 ;; When this module is active `org-store-link' (often on key C-c l) in
-;; a eww buffer stores a link to the current url of the eww buffer.
+;; an EWW buffer stores a link to the current url of the eww buffer.
 
-;; In an eww buffer function `org-eww-copy-for-org-mode' kills either
+;; In an EWW buffer function `org-eww-copy-for-org-mode' kills either
 ;; a region or the whole buffer if no region is set and transforms the
 ;; text on the fly so that it can be pasted into an Org buffer with
 ;; hot links.
@@ -58,7 +58,7 @@
 ;; Store Org-link in eww-mode buffer
 (org-link-set-parameters "eww" :follow #'eww :store #'org-eww-store-link)
 (defun org-eww-store-link ()
-  "Store a link to the url of a Eww buffer."
+  "Store a link to the url of an EWW buffer."
   (when (eq major-mode 'eww-mode)
     (org-store-link-props
      :type "eww"
diff --git a/lisp/org/org-protocol.el b/lisp/org/org-protocol.el
index 3cbbc78dce5..27c2bb28d0f 100644
--- a/lisp/org/org-protocol.el
+++ b/lisp/org/org-protocol.el
@@ -663,7 +663,7 @@ to deal with new-style links.")
 ;;; Org specific functions:
 
 (defun org-protocol-create-for-org ()
-  "Create a Org protocol project for the current file's project.
+  "Create an Org protocol project for the current file's project.
 The visited file needs to be part of a publishing project in
 `org-publish-project-alist' for this to work.  The function
 delegates most of the work to `org-protocol-create'."
diff --git a/lisp/org/ox-html.el b/lisp/org/ox-html.el
index 06edb821e1a..83f6479bd4a 100644
--- a/lisp/org/ox-html.el
+++ b/lisp/org/ox-html.el
@@ -2697,7 +2697,7 @@ holding contextual information."
 
 (defun org-html-format-inlinetask-default-function
   (todo todo-type priority text tags contents info)
-  "Default format function for a inlinetasks.
+  "Default format function for inlinetasks.
 See `org-html-format-inlinetask-function' for details."
   (format "<div class=\"inlinetask\">\n<b>%s</b>%s\n%s</div>"
           (org-html-format-headline-default-function
diff --git a/lisp/org/ox-latex.el b/lisp/org/ox-latex.el
index a656e065b94..c32aa298047 100644
--- a/lisp/org/ox-latex.el
+++ b/lisp/org/ox-latex.el
@@ -2125,7 +2125,7 @@ holding contextual information."
 
 (defun org-latex-format-inlinetask-default-function
     (todo _todo-type priority title tags contents _info)
-  "Default format function for a inlinetasks.
+  "Default format function for inlinetasks.
 See `org-latex-format-inlinetask-function' for details."
   (let ((full-title
          (concat (when todo (format "\\textbf{\\textsf{\\textsc{%s}}} " todo))
diff --git a/lisp/org/ox-odt.el b/lisp/org/ox-odt.el
index e0c51662d10..cdee568fc81 100644
--- a/lisp/org/ox-odt.el
+++ b/lisp/org/ox-odt.el
@@ -600,8 +600,7 @@ allow document of a given class (irrespective of its source
 format) to be converted to any of the export formats associated
 with that class.
 
-See default setting of this variable for an typical
-configuration."
+See default setting of this variable for a typical configuration."
   :group 'org-export-odt
   :version "24.1"
   :type
@@ -1938,7 +1937,7 @@ holding contextual information."
 
 (defun org-odt-format-inlinetask-default-function
   (todo todo-type priority name tags contents)
-  "Default format function for a inlinetasks.
+  "Default format function for inlinetasks.
 See `org-odt-format-inlinetask-function' for details."
   (format "\n<text:p text:style-name=\"%s\">%s</text:p>"
           "Text_20_body"
diff --git a/lisp/org/ox-texinfo.el b/lisp/org/ox-texinfo.el
index fd4235a79df..d877c9c63a2 100644
--- a/lisp/org/ox-texinfo.el
+++ b/lisp/org/ox-texinfo.el
@@ -958,7 +958,7 @@ holding contextual information."
 
 (defun org-texinfo-format-inlinetask-default-function
   (todo _todo-type priority title tags contents)
-  "Default format function for a inlinetasks.
+  "Default format function for inlinetasks.
 See `org-texinfo-format-inlinetask-function' for details."
   (let ((full-title
          (concat (when todo (format "@strong{%s} " todo))
diff --git a/lisp/progmodes/ada-mode.el b/lisp/progmodes/ada-mode.el
index d09ee52c97b..2d3f6e22a6c 100644
--- a/lisp/progmodes/ada-mode.el
+++ b/lisp/progmodes/ada-mode.el
@@ -2479,7 +2479,7 @@ and the offset."
             (forward-word-strictly -1))
 
           ;; If there is a parameter list, and we have a function declaration
-          ;; or a access to subprogram declaration
+          ;; or access to subprogram declaration
           (let ((num-back 1))
             (if (and (= (following-char) ?\()
                      (save-excursion
diff --git a/lisp/progmodes/ada-stmt.el b/lisp/progmodes/ada-stmt.el
index 02f7e3954ec..f1ed01e3cc7 100644
--- a/lisp/progmodes/ada-stmt.el
+++ b/lisp/progmodes/ada-stmt.el
@@ -415,13 +415,13 @@ Invoke right after `ada-function-spec' or `ada-procedure-spec'."
 
 
 (define-skeleton ada-entry-family-prompt-discriminant
-  "Insert a entry specification, prompting for the entry name."
+  "Insert an entry specification, prompting for the entry name."
   "[discriminant name]: "
   str)
 
 
 (define-skeleton ada-entry-family
-  "Insert a entry specification, prompting for the entry name."
+  "Insert an entry specification, prompting for the entry name."
   "[entry name]: "
   "entry " str
   " (" (ada-entry-family-prompt-discriminant) ")"
diff --git a/lisp/progmodes/antlr-mode.el b/lisp/progmodes/antlr-mode.el
index 921db6b46d8..1d4fd4f2bce 100644
--- a/lisp/progmodes/antlr-mode.el
+++ b/lisp/progmodes/antlr-mode.el
@@ -1562,7 +1562,7 @@ The search for a correct position is as follows:
 
   * If search is within an area where options can be inserted, use the
     position of point.  Inside the options section and if point is in
-    the middle of a option definition, skip the rest of it.
+    the middle of an option definition, skip the rest of it.
   * If an options section already exists, insert the options at the end.
     If only the beginning of the area is visible, insert at the
     beginning.
diff --git a/lisp/progmodes/cc-engine.el b/lisp/progmodes/cc-engine.el
index be7e86beefc..cddf79b351c 100644
--- a/lisp/progmodes/cc-engine.el
+++ b/lisp/progmodes/cc-engine.el
@@ -3304,7 +3304,7 @@ comment at the start of cc-engine.el for more info."
                              (point)
                            here)))
         pa+1                  ; pos just after an opening PAren (or brace).
-        (ren+1 from)          ; usually a pos just after an closing paREN etc.
+        (ren+1 from)          ; usually a pos just after a closing paREN etc.
                               ; Is actually the pos. to scan for a (/{/[ from,
                               ; which sometimes is after a silly )/}/].
         paren+1               ; Pos after some opening or closing paren.
@@ -10345,7 +10345,7 @@ comment at the start of cc-engine.el for more info."
       b-pos)))
 
 (defun c-backward-typed-enum-colon ()
-  ;; We're at a "{" which might be the opening brace of a enum which is
+  ;; We're at a "{" which might be the opening brace of an enum which is
   ;; strongly typed (by a ":" followed by a type).  If this is the case, leave
   ;; point before the colon and return t.  Otherwise leave point unchanged and return nil.
   ;; Match data will be clobbered.
diff --git a/lisp/progmodes/cc-menus.el b/lisp/progmodes/cc-menus.el
index ae7759ef451..a42fe27b96c 100644
--- a/lisp/progmodes/cc-menus.el
+++ b/lisp/progmodes/cc-menus.el
@@ -360,7 +360,7 @@ Example:
       (setq char (aref method p)
             p (1+ p))
       (cond
-       ;; Is CHAR part of a objc token?
+       ;; Is CHAR part of an objc token?
        ((and (not inargvar)   ; Ignore if CHAR is part of an argument variable.
              (eq 0 betweenparen) ; Ignore if CHAR is in parentheses.
              (or (and (<= ?a char) (<= char ?z))
diff --git a/lisp/progmodes/cc-mode.el b/lisp/progmodes/cc-mode.el
index 2ce3d962257..664f01012b8 100644
--- a/lisp/progmodes/cc-mode.el
+++ b/lisp/progmodes/cc-mode.el
@@ -622,7 +622,7 @@ that requires a literal mode spec at compile time."
   ;; buffer local value has its own alist structure.
   (setq c-offsets-alist (copy-alist c-offsets-alist))
 
-  ;; setup the comment indent variable in a Emacs version portable way
+  ;; setup the comment indent variable in an Emacs version portable way
   (set (make-local-variable 'comment-indent-function) 'c-comment-indent)
   ;; What sort of comments are default for M-;?
   (setq c-block-comment-flag c-block-comment-is-default)
diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el
index 92e202a0258..422974379ba 100644
--- a/lisp/progmodes/compile.el
+++ b/lisp/progmodes/compile.el
@@ -919,7 +919,7 @@ from a different message."
 
 ;; COLUMN and LINE are numbers parsed from an error message.  COLUMN and maybe
 ;; LINE will be nil for a message that doesn't contain them.  Then the
-;; location refers to a indented beginning of line or beginning of file.
+;; location refers to an indented beginning of line or beginning of file.
 ;; Once any location in some file has been jumped to, the list is extended to
 ;; (COLUMN LINE FILE-STRUCTURE MARKER TIMESTAMP . VISITED)
 ;; for all LOCs pertaining to that file.
diff --git a/lisp/progmodes/icon.el b/lisp/progmodes/icon.el
index 68bff26902a..6e02392c154 100644
--- a/lisp/progmodes/icon.el
+++ b/lisp/progmodes/icon.el
@@ -90,7 +90,7 @@
   :group 'icon)
 
 (defcustom icon-brace-imaginary-offset 0
-  "Imagined indentation of a Icon open brace that actually follows a statement."
+  "Imagined indentation of an Icon open brace that actually follows a statement."
   :type 'integer
   :group 'icon)
 
diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 8ff7a300d48..530eb2fb95e 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -422,7 +422,7 @@
       (string-delimiter . ,(rx (and
                                 ;; Match even number of backslashes.
                                 (or (not (any ?\\ ?\' ?\")) point
-                                    ;; Quotes might be preceded by a escaped quote.
+                                    ;; Quotes might be preceded by an escaped quote.
                                     (and (or (not (any ?\\)) point) ?\\
                                          (* ?\\ ?\\) (any ?\' ?\")))
                                 (* ?\\ ?\\)
@@ -925,7 +925,7 @@ keyword
                 (back-to-indentation)
                 (python-syntax-closing-paren-p))
               (cons :inside-paren-at-closing-nested-paren start))
-             ;; This line starts from a opening block in its own line.
+             ;; This line starts from an opening block in its own line.
              ((save-excursion
                 (goto-char start)
                 (when (and
@@ -1641,7 +1641,7 @@ ARG move forward only one sexp, else move backwards."
 
 (defun python-nav--lisp-forward-sexp-safe (&optional arg)
   "Safe version of standard `forward-sexp'.
-When at end of sexp (i.e. looking at a opening/closing paren)
+When at end of sexp (i.e. looking at an opening/closing paren)
 skips it instead of throwing an error.  With positive ARG move
 forward only one sexp, else move backwards."
   (let* ((arg (if (or (not arg) (> arg 0)) 1 -1))
diff --git a/lisp/progmodes/sh-script.el b/lisp/progmodes/sh-script.el
index 1b9e10af29a..aaa86b5816f 100644
--- a/lisp/progmodes/sh-script.el
+++ b/lisp/progmodes/sh-script.el
@@ -3019,7 +3019,7 @@ If INFO is supplied it is used, else it is calculated."
 ;; line -- it is the PREVIOUS line which is continued, not the one
 ;; we are going to!
 ;; Also, we want to treat a whole "here document" as one big line,
-;; because we may want to a align to the beginning of it.
+;; because we may want to align to the beginning of it.
 ;;
 ;; What we do:
 ;; - go back to previous non-empty line
diff --git a/lisp/progmodes/sql.el b/lisp/progmodes/sql.el
index 7bc3a5a2f7a..d20c579f660 100644
--- a/lisp/progmodes/sql.el
+++ b/lisp/progmodes/sql.el
@@ -2774,7 +2774,7 @@ local variable."
 
     ;; Our start must be between them
     (goto-char last)
-    ;; Find an beginning-of-stmt that's not in a comment
+    ;; Find a beginning-of-stmt that's not in a comment
     (while (and (re-search-forward regexp next t 1)
                 (nth 7 (syntax-ppss)))
       (goto-char (match-end 0)))
@@ -4225,7 +4225,7 @@ the call to \\[sql-product-interactive] with
                (symbolp product)) product)
          (t sql-product)))              ; Default to sql-product
 
-  ;; If we have a product and it has a interactive mode
+  ;; If we have a product and it has an interactive mode
   (if product
       (when (sql-get-product-feature product :sqli-comint-func)
         ;; If no new name specified, try to pop to an active SQL
diff --git a/lisp/progmodes/vhdl-mode.el b/lisp/progmodes/vhdl-mode.el
index db29435bff9..a841f87f3c3 100644
--- a/lisp/progmodes/vhdl-mode.el
+++ b/lisp/progmodes/vhdl-mode.el
@@ -4890,7 +4890,7 @@ Key bindings:
   (set (make-local-variable 'indent-tabs-mode) vhdl-indent-tabs-mode)
   (set (make-local-variable 'hippie-expand-verbose) nil)
 
-  ;; setup the comment indent variable in a Emacs version portable way
+  ;; setup the comment indent variable in an Emacs version portable way
   ;; ignore any byte compiler warnings you might get here
   (when (boundp 'comment-indent-function)
     (set (make-local-variable 'comment-indent-function) 'vhdl-comment-indent))
diff --git a/lisp/tempo.el b/lisp/tempo.el
index 6c395582901..5d4dea5325a 100644
--- a/lisp/tempo.el
+++ b/lisp/tempo.el
@@ -154,7 +154,7 @@ setting it to (upcase), for example.")
 
 (defvar tempo-local-tags '((tempo-tags . nil))
   "A list of locally installed tag completion lists.
-It is a association list where the car of every element is a symbol
+It is an association list where the car of every element is a symbol
 whose variable value is a template list.  The cdr part, if non-nil,
 is a function or a regexp that defines the string to match.  See the
 documentation for the function `tempo-complete-tag' for more info.
diff --git a/lisp/term/README b/lisp/term/README
index d5453e1a8a7..4ab1a4300db 100644
--- a/lisp/term/README
+++ b/lisp/term/README
@@ -60,7 +60,7 @@ they'll frustrate you after you've forgotten about them.
    For another, the X keysyms provide a standard set of names that Emacs knows
 about.  It tries to bind many of them to useful things at startup, before your
 .emacs is read (so you can override them).  In some ways, the X keysym standard
-is a admittedly poor one; it's incomplete, and not well matched to the set of
+is an admittedly poor one; it's incomplete, and not well matched to the set of
 'virtual keys' that UNIX terminfo(3) provides.  But, trust us, the alternatives
 were worse.
 
diff --git a/lisp/textmodes/artist.el b/lisp/textmodes/artist.el
index 73419072536..af7bcc77cdf 100644
--- a/lisp/textmodes/artist.el
+++ b/lisp/textmodes/artist.el
@@ -1025,78 +1025,78 @@ If DRAW-HOW is `artist-do-poly':
 
 (defsubst artist-go-get-keyword (info-variant-part)
   "Retrieve the keyword component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part."
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part."
   (elt info-variant-part 0))
 
 (defsubst artist-go-get-symbol (info-variant-part)
   "Retrieve the symbol component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part."
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part."
   (elt info-variant-part 1))
 
 (defsubst artist-go-get-mode-line (info-variant-part)
   "Retrieve the mode line component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part."
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part."
   (elt info-variant-part 2))
 
 (defsubst artist-go-get-arrow-pred (info-variant-part)
   "Retrieve the arrow predicate component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part."
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part."
   (elt info-variant-part 3))
 
 (defsubst artist-go-get-arrow-set-fn (info-variant-part)
   "Retrieve the arrow set component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part."
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part."
   (elt info-variant-part 4))
 
 (defsubst artist-go-get-init-fn (info-variant-part)
   "Retrieve the init function component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part."
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part."
   (elt info-variant-part 5))
 
 (defsubst artist-go-get-prep-fill-fn (info-variant-part)
   "Retrieve the fill preparation function component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part."
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part."
   (elt info-variant-part 6))
 
 (defsubst artist-go-get-exit-fn (info-variant-part)
   "Retrieve the exit component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part."
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part."
   (elt info-variant-part 7))
 
 (defsubst artist-go-get-draw-how (info-variant-part)
   "Retrieve the draw how component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part."
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part."
   (elt info-variant-part 8))
 
 (defsubst artist-go-get-draw-fn (info-variant-part)
   "Retrieve the draw function component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part."
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part."
   (elt info-variant-part 9))
 
 (defsubst artist-go-get-undraw-fn (info-variant-part)
   "Retrieve the undraw function component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part.
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part.
 This interval function component is available only if the `draw-how'
 component is other than `artist-do-continously' or 1."
   (elt (elt info-variant-part 10) 0))
 
 (defsubst artist-go-get-interval-fn (info-variant-part)
   "Retrieve the interval function component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part.
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part.
 This interval function component is available only if the `draw-how'
 component is `artist-do-continously'."
   (elt (elt info-variant-part 10) 0))
 
 (defsubst artist-go-get-fill-pred (info-variant-part)
   "Retrieve the fill predicate component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part.
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part.
 This interval function component is available only if the `draw-how'
 component is other than `artist-do-continously' or 1."
   (elt (elt info-variant-part 10) 1))
 
 (defsubst artist-go-get-fill-fn (info-variant-part)
   "Retrieve the fill function component from an INFO-VARIANT-PART.
-An INFO-VARIANT-PART is the shifted or unshifted info from a info-part.
+An INFO-VARIANT-PART is the shifted or unshifted info from an info-part.
 This interval function component is available only if the `draw-how'
 component is other than `artist-do-continously' or 1."
   (elt (elt info-variant-part 10) 2))
diff --git a/lisp/textmodes/flyspell.el b/lisp/textmodes/flyspell.el
index 353d4352f60..5568bbb1d97 100644
--- a/lisp/textmodes/flyspell.el
+++ b/lisp/textmodes/flyspell.el
@@ -1732,7 +1732,7 @@ FLYSPELL-BUFFER."
 ;;*---------------------------------------------------------------------*/
 ;;*    flyspell-properties-at-p ...                                     */
 ;;*    -------------------------------------------------------------    */
-;;*    Is there an highlight properties at position pos?                */
+;;*    Is there a highlight property at position pos?                   */
 ;;*---------------------------------------------------------------------*/
 (defun flyspell-properties-at-p (pos)
   "Return t if there is a text property at POS, not counting `local-map'.
diff --git a/lisp/textmodes/reftex-vars.el b/lisp/textmodes/reftex-vars.el
index 6d253f1c205..01ee4f5fa4d 100644
--- a/lisp/textmodes/reftex-vars.el
+++ b/lisp/textmodes/reftex-vars.el
@@ -1405,7 +1405,7 @@ the text, so that the text has to be repeated outside the index macro.
 Needed for `reftex-index-selection-or-word' and for indexing from the
 phrase buffer.
 
-The final entry may also be a symbol if this entry has a association
+The final entry may also be a symbol if this entry has an association
 in the variable `reftex-index-macros-builtin' to specify the main
 indexing package you are using.  Valid values are currently
 default         The LaTeX default - unnecessary to specify this one
diff --git a/lisp/textmodes/rst.el b/lisp/textmodes/rst.el
index c93e4e474cb..48c01289347 100644
--- a/lisp/textmodes/rst.el
+++ b/lisp/textmodes/rst.el
@@ -631,7 +631,7 @@ After interpretation of ARGS the results are concatenated as for
      &aux
      (char (rst-Ado--validate-char char-arg))
      (-style 'simple)))
-   ;; Construct a over-and-under section header.
+   ;; Construct an over-and-under section header.
    (:constructor
     rst-Ado-new-over-and-under
     (char-arg
@@ -696,7 +696,7 @@ Return CHAR if so or signal an error otherwise."
 
 (defun rst-Ado-is-over-and-under (self)
   ;; testcover: ok.
-  "Return non-nil if SELF is a over-and-under section adornment."
+  "Return non-nil if SELF is an over-and-under section adornment."
   (cl-check-type self rst-Ado)
   (eq (rst-Ado--style self) 'over-and-under))
 
@@ -834,7 +834,7 @@ Return ADO if so or signal an error otherwise."
 
 (defun rst-Hdr-is-over-and-under (self)
   ;; testcover: ok.
-  "Return non-nil if SELF is a over-and-under section header."
+  "Return non-nil if SELF is an over-and-under section header."
   (cl-check-type self rst-Hdr)
   (rst-Ado-is-over-and-under (rst-Hdr-ado self)))
 
@@ -937,7 +937,7 @@ This type is immutable."
                    (or (null und-beg) (integer-or-marker-p und-beg))
                    (or (null und-end) (integer-or-marker-p und-end)))
         (signal 'args-out-of-range
-                '("For a over-and-under section adornment all match pairs must be set."))))))
+                '("For an over-and-under section adornment all match pairs must be set."))))))
   match)
 
 (defun rst-Ttl--validate-indent (indent ado)
@@ -1224,7 +1224,7 @@ as well but give an additional message."
     ;; Makes paragraphs in region as a bullet list.
     (rst-define-key map [?\C-c ?\C-l ?\C-b] #'rst-bullet-list-region
                     [?\C-c ?\C-b])
-    ;; Makes paragraphs in region as a enumeration.
+    ;; Makes paragraphs in region an enumeration.
     (rst-define-key map [?\C-c ?\C-l ?\C-e] #'rst-enumerate-region
                     [?\C-c ?\C-e])
     ;; Converts bullets to an enumeration.
@@ -1529,7 +1529,7 @@ file."
 (defcustom rst-default-indent 1
   "Number of characters to indent the section title.
 This is only used while toggling adornment styles when switching
-from a simple adornment style to a over-and-under adornment
+from a simple adornment style to an over-and-under adornment
 style.  In addition this is used in cases where the adornments
 found in the buffer are to be used but the indentation for
 over-and-under adornments is inconsistent across the buffer."
diff --git a/lisp/thumbs.el b/lisp/thumbs.el
index 7aaed28a2a2..26c9935429f 100644
--- a/lisp/thumbs.el
+++ b/lisp/thumbs.el
@@ -48,7 +48,7 @@
 ;; That should be a directory containing image files.
 ;; from dired, C-t m enter in thumbs-mode with all marked files
 ;;             C-t a enter in thumbs-mode with all files in current-directory
-;; In thumbs-mode, pressing <return> on a image will bring you in image view
+;; In thumbs-mode, pressing <return> on an image will bring you in image view
 ;; mode for that image.  C-h m will give you a list of available keybinding.
 
 ;;; History:
diff --git a/lisp/vc/add-log.el b/lisp/vc/add-log.el
index ea2e8ec874a..bc2be4aadb4 100644
--- a/lisp/vc/add-log.el
+++ b/lisp/vc/add-log.el
@@ -1163,7 +1163,7 @@ Has a preference of looking backwards."
   (goto-char (match-end 0)))
 
 (defun change-log-get-method-definition ()
-"For Objective C, return the method name if we are in a method."
+  "For Objective C, return the method name if we are in a method."
   (let ((change-log-get-method-definition-md "["))
     (save-excursion
       (if (re-search-backward "^@implementation\\s-*\\([A-Za-z_]*\\)" nil t)
diff --git a/lisp/vc/vc-git.el b/lisp/vc/vc-git.el
index 9274714cc60..26af99805d0 100644
--- a/lisp/vc/vc-git.el
+++ b/lisp/vc/vc-git.el
@@ -227,7 +227,7 @@ Should be consistent with the Git config value i18n.logOutputEncoding."
                         (concat name "\0"))))))))
 
 (defun vc-git--state-code (code)
-  "Convert from a string to a added/deleted/modified state."
+  "Convert from a string to an added/deleted/modified state."
   (pcase (string-to-char code)
     (?M 'edited)
     (?A 'added)
diff --git a/lisp/vc/vc.el b/lisp/vc/vc.el
index b87701536f8..01dc47e8089 100644
--- a/lisp/vc/vc.el
+++ b/lisp/vc/vc.el
@@ -2415,7 +2415,10 @@ When called interactively with a prefix argument, prompt for REMOTE-LOCATION."
 
 ;;;###autoload
 (defun vc-region-history (from to)
-  "Show the history of the region FROM..TO."
+  "Show the history of the region between FROM and TO.
+
+If called interactively, show the history between point and
+mark."
   (interactive "r")
   (let* ((lfrom (line-number-at-pos from t))
          (lto   (line-number-at-pos (1- to) t))
diff --git a/lisp/wid-edit.el b/lisp/wid-edit.el
index 8828236e3ea..bee7f8069ee 100644
--- a/lisp/wid-edit.el
+++ b/lisp/wid-edit.el
@@ -1229,7 +1229,7 @@ When not inside a field, signal an error."
                               (save-restriction
                                 ;; `widget-narrow-to-field' can be
                                 ;; active when this function is called
-                                ;; from an change-functions hook. So
+                                ;; from a change-functions hook. So
                                 ;; temporarily remove field narrowing
                                 ;; before to call `get-char-property'.
                                 (widen)
@@ -1802,7 +1802,7 @@ If END is omitted, it defaults to the length of LIST."
 ;;; The `url-link' Widget.
 
 (define-widget 'url-link 'link
-  "A link to an www page."
+  "A link to a web page."
   :action 'widget-url-link-action)
 
 (defun widget-url-link-action (widget &optional _event)