Change all occurrences of "Mouse-[0-9]" to "mouse-[0-9]"

* doc/emacs/*.texi: Change all occurrences of "Mouse-[0-9]" to
"mouse-[0-9]".  These are case sensitive, and the keys are lower case
(bug#14554).

(cherry picked from commit e4c26271f2c2fe08f8490e25c63a436ab2a804ca)

20 files changed, 166 insertions, 166 deletions

diff --git a/doc/emacs/buffers.texi b/doc/emacs/buffers.texi
index 1efd1d98d7b..2eb837f1510 100644
--- a/doc/emacs/buffers.texi
+++ b/doc/emacs/buffers.texi
@@ -699,10 +699,10 @@ C-b}.  To customize this buffer list, use the @code{bs} Custom group
 @cindex mode, MSB
 @cindex MSB mode
 @findex mouse-buffer-menu
-@kindex C-Down-Mouse-1
+@kindex C-Down-mouse-1
   MSB global minor mode (``MSB'' stands for ``mouse select buffer'')
 provides a different and customizable mouse buffer menu which you may
 prefer.  It replaces the bindings of @code{mouse-buffer-menu},
-normally on @kbd{C-Down-Mouse-1} and @kbd{C-@key{F10}}, and the menu
+normally on @kbd{C-Down-mouse-1} and @kbd{C-@key{F10}}, and the menu
 bar buffer menu.  You can customize the menu in the @code{msb} Custom
 group.
diff --git a/doc/emacs/building.texi b/doc/emacs/building.texi
index 3fa89d9062d..df0764ee6b7 100644
--- a/doc/emacs/building.texi
+++ b/doc/emacs/building.texi
@@ -921,23 +921,23 @@ still in the right places.
 @cindex fringes, for debugging
 
 @table @asis
-@item @kbd{Mouse-1} (in fringe)
+@item @kbd{mouse-1} (in fringe)
 Set or clear a breakpoint on that line.
 
-@item @kbd{C-Mouse-1} (in fringe)
+@item @kbd{C-mouse-1} (in fringe)
 Enable or disable a breakpoint on that line.
 
-@item @kbd{Mouse-3} (in fringe)
+@item @kbd{mouse-3} (in fringe)
 Continue execution to that line.
 
-@item @kbd{C-Mouse-3} (in fringe)
+@item @kbd{C-mouse-3} (in fringe)
 Jump to that line.
 @end table
 
-  On a graphical display, you can click @kbd{Mouse-1} in the fringe of
+  On a graphical display, you can click @kbd{mouse-1} in the fringe of
 a source buffer, to set a breakpoint on that line (@pxref{Fringes}).
 A red dot appears in the fringe, where you clicked.  If a breakpoint
-already exists there, the click removes it.  A @kbd{C-Mouse-1} click
+already exists there, the click removes it.  A @kbd{C-mouse-1} click
 enables or disables an existing breakpoint; a breakpoint that is
 disabled, but not unset, is indicated by a gray dot.
 
@@ -949,10 +949,10 @@ of the window.  Disabled breakpoints are indicated with @samp{b}.
   A solid arrow in the left fringe of a source buffer indicates the
 line of the innermost frame where the debugged program has stopped.  A
 hollow arrow indicates the current execution line of a higher-level
-frame.  If you drag the arrow in the fringe with @kbd{Mouse-1}, that
+frame.  If you drag the arrow in the fringe with @kbd{mouse-1}, that
 causes execution to advance to the line where you release the button.
-Alternatively, you can click @kbd{Mouse-3} in the fringe to advance to
-that line.  You can click @kbd{C-Mouse-3} in the fringe to jump to
+Alternatively, you can click @kbd{mouse-3} in the fringe to advance to
+that line.  You can click @kbd{C-mouse-3} in the fringe to jump to
 that line without executing the intermediate lines.  This command
 allows you to go backwards, which can be useful for running through
 code that has already executed, in order to examine its execution in
@@ -986,15 +986,15 @@ Delete the current breakpoint (@code{gdb-delete-breakpoint}).
 Visit the source line for the current breakpoint
 (@code{gdb-goto-breakpoint}).
 
-@item Mouse-2
-@kindex Mouse-2 @r{(GDB Breakpoints buffer)}
+@item mouse-2
+@kindex mouse-2 @r{(GDB Breakpoints buffer)}
 Visit the source line for the breakpoint you click on.
 @end table
 
 @vindex gdb-show-threads-by-default
   When @code{gdb-many-windows} is non-@code{nil}, the GDB Breakpoints
 buffer shares its window with the GDB Threads buffer.  To switch from
-one to the other click with @kbd{Mouse-1} on the relevant button in
+one to the other click with @kbd{mouse-1} on the relevant button in
 the header line.  If @code{gdb-show-threads-by-default} is
 non-@code{nil}, the GDB Threads buffer is the one shown by default.
 
@@ -1006,7 +1006,7 @@ non-@code{nil}, the GDB Threads buffer is the one shown by default.
 debugged program.  @xref{Threads, Threads, Debugging programs with
 multiple threads, gdb, The GNU debugger}.  To select a thread, move
 point there and press @key{RET} (@code{gdb-select-thread}), or click on
-it with @kbd{Mouse-2}.  This also displays the associated source
+it with @kbd{mouse-2}.  This also displays the associated source
 buffer, and updates the contents of the other GDB buffers.
 
   You can customize variables under @code{gdb-buffers} group to select
@@ -1087,7 +1087,7 @@ debugger}.
 arrow in the fringe.  On text terminals, or when fringes are disabled,
 the selected stack frame is displayed in reverse contrast.  To select
 a stack frame, move point in its line and type @key{RET}
-(@code{gdb-frames-select}), or click @kbd{Mouse-2} on it.  Doing so
+(@code{gdb-frames-select}), or click @kbd{mouse-2} on it.  Doing so
 also updates the Locals buffer
 @ifnottex
 (@pxref{Other GDB Buffers}).
@@ -1104,19 +1104,19 @@ also updates the Locals buffer
 This buffer displays the values of local variables of the current
 frame for simple data types (@pxref{Frame Info, Frame Info,
 Information on a frame, gdb, The GNU debugger}).  Press @key{RET} or
-click @kbd{Mouse-2} on the value if you want to edit it.
+click @kbd{mouse-2} on the value if you want to edit it.
 
 Arrays and structures display their type only.  With GDB 6.4 or later,
 you can examine the value of the local variable at point by typing
-@key{RET}, or with a @kbd{Mouse-2} click.  With earlier versions of
-GDB, use @key{RET} or @kbd{Mouse-2} on the type description
+@key{RET}, or with a @kbd{mouse-2} click.  With earlier versions of
+GDB, use @key{RET} or @kbd{mouse-2} on the type description
 (@samp{[struct/union]} or @samp{[array]}).  @xref{Watch Expressions}.
 
 @item Registers Buffer
 @findex toggle-gdb-all-registers
 This buffer displays the values held by the registers
 (@pxref{Registers,,, gdb, The GNU debugger}).  Press @key{RET} or
-click @kbd{Mouse-2} on a register if you want to edit its value.  With
+click @kbd{mouse-2} on a register if you want to edit its value.  With
 GDB 6.4 or later, recently changed register values display with
 @code{font-lock-warning-face}.
 
@@ -1129,17 +1129,17 @@ the fringe or margin.
 @item Memory Buffer
 The memory buffer lets you examine sections of program memory
 (@pxref{Memory, Memory, Examining memory, gdb, The GNU debugger}).
-Click @kbd{Mouse-1} on the appropriate part of the header line to
+Click @kbd{mouse-1} on the appropriate part of the header line to
 change the starting address or number of data items that the buffer
 displays.  Alternatively, use @kbd{S} or @kbd{N} respectively.  Click
-@kbd{Mouse-3} on the header line to select the display format or unit
+@kbd{mouse-3} on the header line to select the display format or unit
 size for these data items.
 @end table
 
 When @code{gdb-many-windows} is non-@code{nil}, the locals buffer
 shares its window with the registers buffer, just like breakpoints and
 threads buffers.  To switch from one to the other, click with
-@kbd{Mouse-1} on the relevant button in the header line.
+@kbd{mouse-1} on the relevant button in the header line.
 
 @node Watch Expressions
 @subsubsection Watch Expressions
@@ -1163,7 +1163,7 @@ name and type otherwise.  Root expressions also display the frame
 address as a tooltip to help identify the frame in which they were
 defined.
 
-  To expand or contract a complex data type, click @kbd{Mouse-2} or
+  To expand or contract a complex data type, click @kbd{mouse-2} or
 press @key{SPC} on the tag to the left of the expression.  Emacs asks
 for confirmation before expanding the expression if its number of
 immediate children exceeds the value of the variable
@@ -1178,7 +1178,7 @@ expression in the speedbar and type @kbd{D} (@code{gdb-var-delete}).
 @findex gdb-edit-value
   To edit a variable with a simple data type, or a simple element of a
 complex data type, move point there in the speedbar and type @key{RET}
-(@code{gdb-edit-value}).  Or you can click @kbd{Mouse-2} on a value to
+(@code{gdb-edit-value}).  Or you can click @kbd{mouse-2} on a value to
 edit it.  Either way, this reads the new value using the minibuffer.
 
 @vindex gdb-show-changed-values
diff --git a/doc/emacs/calendar.texi b/doc/emacs/calendar.texi
index 0fc18fcbbcf..60d323be840 100644
--- a/doc/emacs/calendar.texi
+++ b/doc/emacs/calendar.texi
@@ -19,8 +19,8 @@ prompts you for the month and year to be the center of the three-month
 calendar.  The calendar uses its own buffer, whose major mode is
 Calendar mode.
 
-  @kbd{Mouse-3} in the calendar brings up a menu of operations on a
-particular date; @kbd{Mouse-2} brings up a menu of commonly used
+  @kbd{mouse-3} in the calendar brings up a menu of operations on a
+particular date; @kbd{mouse-2} brings up a menu of commonly used
 calendar features that are independent of any particular date.  To exit
 the calendar, type @kbd{q}.
 
@@ -460,7 +460,7 @@ to.
 and can display them.  You can add your own holidays to the default list.
 
 @table @kbd
-@item Mouse-3 Holidays
+@item mouse-3 Holidays
 @itemx h
 Display holidays for the selected date
 (@code{calendar-cursor-holidays}).
@@ -483,7 +483,7 @@ List holidays in another window for a specified range of years.
 @vindex calendar-view-holidays-initially-flag
   To see if any holidays fall on a given date, position point on that
 date in the calendar window and use the @kbd{h} command.  Alternatively,
-click on that date with @kbd{Mouse-3} and then choose @kbd{Holidays}
+click on that date with @kbd{mouse-3} and then choose @kbd{Holidays}
 from the menu that appears.  Either way, this displays the holidays for
 that date, in the echo area if they fit there, otherwise in a separate
 window.
@@ -548,7 +548,7 @@ practice}, not historical fact.  For example Veteran's Day began in
 times of sunrise and sunset for any date.
 
 @table @kbd
-@item Mouse-3 Sunrise/sunset
+@item mouse-3 Sunrise/sunset
 @itemx S
 Display times of sunrise and sunset for the selected date
 (@code{calendar-sunrise-sunset}).
@@ -565,7 +565,7 @@ Display times of sunrise and sunset for the selected month.
 @findex sunrise-sunset
   Within the calendar, to display the @emph{local times} of sunrise and
 sunset in the echo area, move point to the date you want, and type
-@kbd{S}.  Alternatively, click @kbd{Mouse-3} on the date, then choose
+@kbd{S}.  Alternatively, click @kbd{mouse-3} on the date, then choose
 @samp{Sunrise/sunset} from the menu that appears.  The command @kbd{M-x
 sunrise-sunset} is available outside the calendar to display this
 information for today's date or a specified date.  To specify a date
@@ -777,7 +777,7 @@ in various other calendar systems:
 @table @kbd
 @kindex p @r{(Calendar mode)}
 @findex calendar-print-other-dates
-@item Mouse-3  Other calendars
+@item mouse-3  Other calendars
 @itemx p o
 Display the selected date in various other calendars.
 (@code{calendar-print-other-dates}).
@@ -831,7 +831,7 @@ Display Mayan date for selected day (@code{calendar-mayan-print-date}).
 appropriate command starting with @kbd{p} from the table above.  The
 prefix @kbd{p} is a mnemonic for ``print'', since Emacs ``prints'' the
 equivalent date in the echo area.  @kbd{p o} displays the
-date in all forms known to Emacs.  You can also use @kbd{Mouse-3} and
+date in all forms known to Emacs.  You can also use @kbd{mouse-3} and
 then choose @kbd{Other calendars} from the menu that appears.  This
 displays the equivalent forms of the date in all the calendars Emacs
 understands, in the form of a menu.  (Choosing an alternative from
@@ -1020,7 +1020,7 @@ it.  You can also view today's events outside of Calendar mode.  In the
 following, key bindings refer to the Calendar buffer.
 
 @table @kbd
-@item Mouse-3 Diary
+@item mouse-3 Diary
 @itemx d
 Display all diary entries for the selected date
 (@code{diary-view-entries}).
@@ -1058,7 +1058,7 @@ entries for that many successive days.  Thus, @kbd{2 d} displays all the
 entries for the selected date and for the following day.
 
   Another way to display the diary entries for a date is to click
-@kbd{Mouse-3} on the date, and then choose @kbd{Diary entries} from
+@kbd{mouse-3} on the date, and then choose @kbd{Diary entries} from
 the menu that appears.  If the variable
 @code{calendar-view-diary-initially-flag} is non-@code{nil}, creating the
 calendar lists the diary entries for the current date (provided the
diff --git a/doc/emacs/dired.texi b/doc/emacs/dired.texi
index ea48a26500c..089b1091618 100644
--- a/doc/emacs/dired.texi
+++ b/doc/emacs/dired.texi
@@ -353,8 +353,8 @@ file.  @xref{Windows}.
 Visit the file described on the current line, and display the buffer in
 another window, but do not select that window (@code{dired-display-file}).
 
-@item Mouse-1
-@itemx Mouse-2
+@item mouse-1
+@itemx mouse-2
 @findex dired-mouse-find-file-other-window
 Visit the file whose name you clicked on
 (@code{dired-mouse-find-file-other-window}).  This uses another window
diff --git a/doc/emacs/fixit.texi b/doc/emacs/fixit.texi
index b398a7dbfb8..584efc68116 100644
--- a/doc/emacs/fixit.texi
+++ b/doc/emacs/fixit.texi
@@ -408,7 +408,7 @@ buffers, add @code{flyspell-mode} to @code{text-mode-hook}.
 @findex flyspell-auto-correct-word
 @findex flyspell-correct-word-before-point
   When Flyspell mode highlights a word as misspelled, you can click on
-it with @kbd{Mouse-2} (@code{flyspell-correct-word}) to display a menu
+it with @kbd{mouse-2} (@code{flyspell-correct-word}) to display a menu
 of possible corrections and actions.  In addition, @kbd{C-.} or
 @kbd{@key{ESC}-@key{TAB}} (@code{flyspell-auto-correct-word}) will
 propose various successive corrections for the word at point, and
diff --git a/doc/emacs/frames.texi b/doc/emacs/frames.texi
index 383ae7fd6ee..23ccd6a8f41 100644
--- a/doc/emacs/frames.texi
+++ b/doc/emacs/frames.texi
@@ -70,22 +70,22 @@ for doing so on MS-DOS).  Menus are supported on all text terminals.
 @cindex mouse buttons (what they do)
 @cindex mouse, selecting text using
 
-@kindex Mouse-1
-@kindex Mouse-2
-@kindex Mouse-3
+@kindex mouse-1
+@kindex mouse-2
+@kindex mouse-3
 @table @kbd
-@item Mouse-1
+@item mouse-1
 Move point to where you click (@code{mouse-set-point}).
 
-@item Drag-Mouse-1
+@item Drag-mouse-1
 Activate the region around the text selected by dragging, and put the
 text in the primary selection (@code{mouse-set-region}).
 
-@item Mouse-2
+@item mouse-2
 Move point to where you click, and insert the contents of the primary
 selection there (@code{mouse-yank-primary}).
 
-@item Mouse-3
+@item mouse-3
 If the region is active, move the nearer end of the region to the
 click position; otherwise, set mark at the current value of point and
 point at the click position.  Save the resulting region in the kill
@@ -94,7 +94,7 @@ ring; on a second click, kill it (@code{mouse-save-then-kill}).
 
 @findex mouse-set-point
   The most basic mouse command is @code{mouse-set-point}, which is
-invoked by clicking with the left mouse button, @kbd{Mouse-1}, in the
+invoked by clicking with the left mouse button, @kbd{mouse-1}, in the
 text area of a window.  This moves point to the position where you
 clicked.  If that window was not the selected window, it becomes the
 selected window.
@@ -110,7 +110,7 @@ the window and sets the cursor position.
 
 @cindex mouse, dragging
 @findex mouse-set-region
-  Holding down @kbd{Mouse-1} and dragging the mouse over a stretch
+  Holding down @kbd{mouse-1} and dragging the mouse over a stretch
 of text activates the region around that text
 (@code{mouse-set-region}), placing the mark where you started holding
 down the mouse button, and point where you release it (@pxref{Mark}).
@@ -132,49 +132,49 @@ on how far away from the window edge the mouse has gone; the variable
 
 @findex mouse-yank-primary
 @findex mouse-yank-at-click
-  Clicking with the middle mouse button, @kbd{Mouse-2}, moves point to
+  Clicking with the middle mouse button, @kbd{mouse-2}, moves point to
 the position where you clicked and inserts the contents of the primary
 selection (@code{mouse-yank-primary}).  @xref{Primary Selection}.
 This behavior is consistent with other X applications.  Alternatively,
-you can rebind @kbd{Mouse-2} to @code{mouse-yank-at-click}, which
+you can rebind @kbd{mouse-2} to @code{mouse-yank-at-click}, which
 performs a yank at the position you click.
 
 @vindex mouse-yank-at-point
   If you change the variable @code{mouse-yank-at-point} to a
-non-@code{nil} value, @kbd{Mouse-2} does not move point; it inserts
+non-@code{nil} value, @kbd{mouse-2} does not move point; it inserts
 the text at point, regardless of where you clicked or even which of
 the frame's windows you clicked on.  This variable affects both
 @code{mouse-yank-primary} and @code{mouse-yank-at-click}.
 
 @findex mouse-save-then-kill
-  Clicking with the right mouse button, @kbd{Mouse-3}, runs the
+  Clicking with the right mouse button, @kbd{mouse-3}, runs the
 command @code{mouse-save-then-kill}.  This performs several actions
 depending on where you click and the status of the region:
 
 @itemize @bullet
 @item
-If no region is active, clicking @kbd{Mouse-3} activates the region,
+If no region is active, clicking @kbd{mouse-3} activates the region,
 placing the mark where point was and point at the clicked position.
 
 @item
-If a region is active, clicking @kbd{Mouse-3} adjusts the nearer end
+If a region is active, clicking @kbd{mouse-3} adjusts the nearer end
 of the region by moving it to the clicked position.  The adjusted
 region's text is copied to the kill ring; if the text in the original
 region was already on the kill ring, it replaces it there.
 
 @item
 If you originally specified the region using a double or triple
-@kbd{Mouse-1}, so that the region is defined to consist of entire
+@kbd{mouse-1}, so that the region is defined to consist of entire
 words or lines (@pxref{Word and Line Mouse}), then adjusting the
-region with @kbd{Mouse-3} also proceeds by entire words or lines.
+region with @kbd{mouse-3} also proceeds by entire words or lines.
 
 @item
-If you use @kbd{Mouse-3} a second time consecutively, at the same
+If you use @kbd{mouse-3} a second time consecutively, at the same
 place, that kills the region already selected.  Thus, the simplest way
-to kill text with the mouse is to click @kbd{Mouse-1} at one end, then
-click @kbd{Mouse-3} twice at the other end.  To copy the text into the
-kill ring without deleting it from the buffer, press @kbd{Mouse-3}
-just once---or just drag across the text with @kbd{Mouse-1}.  Then you
+to kill text with the mouse is to click @kbd{mouse-1} at one end, then
+click @kbd{mouse-3} twice at the other end.  To copy the text into the
+kill ring without deleting it from the buffer, press @kbd{mouse-3}
+just once---or just drag across the text with @kbd{mouse-1}.  Then you
 can copy it elsewhere by yanking it.
 @end itemize
 
@@ -209,12 +209,12 @@ speed is linked to how fast you move the wheel.
 @node Word and Line Mouse
 @section Mouse Commands for Words and Lines
 
-  These variants of @kbd{Mouse-1} select entire words or lines at a
+  These variants of @kbd{mouse-1} select entire words or lines at a
 time.  Emacs activates the region around the selected text, which is
 also copied to the kill ring.
 
 @table @kbd
-@item Double-Mouse-1
+@item Double-mouse-1
 Select the text around the word which you click on.
 
 Double-clicking on a character with symbol syntax (such as
@@ -226,20 +226,20 @@ ends.  Double-clicking on a character with string-delimiter syntax
 constant (Emacs uses heuristics to figure out whether that character
 is the beginning or the end of it).
 
-@item Double-Drag-Mouse-1
+@item Double-Drag-mouse-1
 Select the text you drag across, in the form of whole words.
 
-@item Triple-Mouse-1
+@item Triple-mouse-1
 Select the line you click on.
 
-@item Triple-Drag-Mouse-1
+@item Triple-Drag-mouse-1
 Select the text you drag across, in the form of whole lines.
 @end table
 
 @node Mouse References
 @section Following References with the Mouse
-@kindex Mouse-1 @r{(on buttons)}
-@kindex Mouse-2 @r{(on buttons)}
+@kindex mouse-1 @r{(on buttons)}
+@kindex mouse-2 @r{(on buttons)}
 @cindex hyperlinks
 @cindex links
 @cindex text buttons
@@ -256,14 +256,14 @@ cursor changes and the button lights up.  If you change the variable
 highlighting.
 
   You can activate a button by moving point to it and typing
-@key{RET}, or by clicking either @kbd{Mouse-1} or @kbd{Mouse-2} on the
+@key{RET}, or by clicking either @kbd{mouse-1} or @kbd{mouse-2} on the
 button.  For example, in a Dired buffer, each file name is a button;
 activating it causes Emacs to visit that file (@pxref{Dired}).  In a
 @file{*Compilation*} buffer, each error message is a button, and
 activating it visits the source code for that error
 (@pxref{Compilation}).
 
-  Although clicking @kbd{Mouse-1} on a button usually activates the
+  Although clicking @kbd{mouse-1} on a button usually activates the
 button, if you hold the mouse button down for a period of time before
 releasing it (specifically, for more than 450 milliseconds), then
 Emacs moves point where you clicked, without activating the button.
@@ -271,20 +271,20 @@ In this way, you can use the mouse to move point over a button without
 activating it.  Dragging the mouse over or onto a button has its usual
 behavior of setting the region, and does not activate the button.
 
-  You can change how @kbd{Mouse-1} applies to buttons by customizing
+  You can change how @kbd{mouse-1} applies to buttons by customizing
 the variable @code{mouse-1-click-follows-link}.  If the value is a
 positive integer, that determines how long you need to hold the mouse
 button down for, in milliseconds, to cancel button activation; the
 default is 450, as described in the previous paragraph.  If the value
-is @code{nil}, @kbd{Mouse-1} just sets point where you clicked, and
+is @code{nil}, @kbd{mouse-1} just sets point where you clicked, and
 does not activate buttons.  If the value is @code{double}, double
 clicks activate buttons but single clicks just set point.
 
 @vindex mouse-1-click-in-non-selected-windows
-  Normally, @kbd{Mouse-1} on a button activates the button even if it
+  Normally, @kbd{mouse-1} on a button activates the button even if it
 is in a non-selected window.  If you change the variable
 @code{mouse-1-click-in-non-selected-windows} to @code{nil},
-@kbd{Mouse-1} on a button in an unselected window moves point to the
+@kbd{mouse-1} on a button in an unselected window moves point to the
 clicked position and selects that window, without activating the
 button.
 
@@ -295,21 +295,21 @@ button.
 bring up menus.
 
 @table @kbd
-@item C-Mouse-1
-@kindex C-Mouse-1
+@item C-mouse-1
+@kindex C-mouse-1
 This menu is for selecting a buffer.
 
 The MSB (``mouse select buffer'') global minor mode makes this
 menu smarter and more customizable.  @xref{Buffer Menus}.
 
-@item C-Mouse-2
-@kindex C-Mouse-2
+@item C-mouse-2
+@kindex C-mouse-2
 This menu contains entries for examining faces and other text
 properties, and well as for setting them (the latter is mainly useful
 when editing enriched text; @pxref{Enriched Text}).
 
-@item C-Mouse-3
-@kindex C-Mouse-3
+@item C-mouse-3
+@kindex C-mouse-3
 This menu is mode-specific.  For most modes if Menu-bar mode is on,
 this menu has the same items as all the mode-specific menu-bar menus
 put together.  Some modes may specify a different menu for this
@@ -318,15 +318,15 @@ which would be present in the menu bar---not just the mode-specific
 ones---so that you can access them without having to display the menu
 bar.
 
-@item S-Mouse-1
+@item S-mouse-1
 This menu is for changing the default face within the window's buffer.
 @xref{Text Scale}.
 @end table
 
-  Some graphical applications use @kbd{Mouse-3} for a mode-specific
-menu.  If you prefer @kbd{Mouse-3} in Emacs to bring up such a menu
+  Some graphical applications use @kbd{mouse-3} for a mode-specific
+menu.  If you prefer @kbd{mouse-3} in Emacs to bring up such a menu
 instead of running the @code{mouse-save-then-kill} command, rebind
-@kbd{Mouse-3} by adding the following line to your init file
+@kbd{mouse-3} by adding the following line to your init file
 (@pxref{Init Rebinding}):
 
 @c FIXME: `mouse-popup-menubar-stuff' is obsolete since 23.1.
@@ -349,32 +349,32 @@ the special bindings will be displayed (@pxref{Tooltips}).  This
 section's commands do not apply in those areas.
 
 @table @kbd
-@item Mouse-1
-@kindex Mouse-1 @r{(mode line)}
-@kbd{Mouse-1} on a mode line selects the window it belongs to.  By
-dragging @kbd{Mouse-1} on the mode line, you can move it, thus
+@item mouse-1
+@kindex mouse-1 @r{(mode line)}
+@kbd{mouse-1} on a mode line selects the window it belongs to.  By
+dragging @kbd{mouse-1} on the mode line, you can move it, thus
 changing the height of the windows above and below.  Changing heights
 with the mouse in this way never deletes windows, it just refuses to
 make any window smaller than the minimum height.
 
-@item Mouse-2
-@kindex Mouse-2 @r{(mode line)}
-@kbd{Mouse-2} on a mode line expands that window to fill its frame.
+@item mouse-2
+@kindex mouse-2 @r{(mode line)}
+@kbd{mouse-2} on a mode line expands that window to fill its frame.
 
-@item Mouse-3
-@kindex Mouse-3 @r{(mode line)}
-@kbd{Mouse-3} on a mode line deletes the window it belongs to.  If the
+@item mouse-3
+@kindex mouse-3 @r{(mode line)}
+@kbd{mouse-3} on a mode line deletes the window it belongs to.  If the
 frame has only one window, it does nothing.
 
-@item C-Mouse-2
+@item C-mouse-2
 @kindex C-mouse-2 @r{(mode line)}
-@kbd{C-Mouse-2} on a mode line splits that window, producing two
+@kbd{C-mouse-2} on a mode line splits that window, producing two
 side-by-side windows with the boundary running through the click
 position (@pxref{Split Window}).
 @end table
 
-@kindex Mouse-1 @r{(scroll bar)}
-  Furthermore, by clicking and dragging @kbd{Mouse-1} on the divider
+@kindex mouse-1 @r{(scroll bar)}
+  Furthermore, by clicking and dragging @kbd{mouse-1} on the divider
 between two side-by-side mode lines, you can move the vertical
 boundary to the left or right.
 
@@ -919,17 +919,17 @@ those are drawn by the toolkit and not directly by Emacs.
 @cindex Vertical Scroll Bar
 
   On graphical displays, there is a @dfn{vertical scroll bar} on the
-side of each Emacs window.  Clicking @kbd{Mouse-1} on the scroll bar's
+side of each Emacs window.  Clicking @kbd{mouse-1} on the scroll bar's
 up and down buttons scrolls the window by one line at a time.  Clicking
-@kbd{Mouse-1} above or below the scroll bar's inner box scrolls the
+@kbd{mouse-1} above or below the scroll bar's inner box scrolls the
 window by nearly the entire height of the window, like @kbd{M-v} and
 @kbd{C-v} respectively (@pxref{Moving Point}).  Dragging the inner box
 scrolls continuously.
 
   If Emacs is compiled on the X Window System without X toolkit
-support, the scroll bar behaves differently.  Clicking @kbd{Mouse-1}
+support, the scroll bar behaves differently.  Clicking @kbd{mouse-1}
 anywhere on the scroll bar scrolls forward like @kbd{C-v}, while
-@kbd{Mouse-3} scrolls backward like @kbd{M-v}.  Clicking @kbd{Mouse-2}
+@kbd{mouse-3} scrolls backward like @kbd{M-v}.  Clicking @kbd{mouse-2}
 in the scroll bar lets you drag the inner box up and down.
 
 @findex scroll-bar-mode
@@ -975,8 +975,8 @@ when the entire buffer is visible.
 @cindex Horizontal Scroll Bar mode
   On graphical displays with toolkit support, Emacs may also supply a
 @dfn{horizontal scroll bar} on the bottom of each window.  Clicking
-@kbd{Mouse-1} on the that scroll bar's left and right buttons scrolls
-the window horizontally by one column at a time.  Clicking @kbd{Mouse-1}
+@kbd{mouse-1} on the that scroll bar's left and right buttons scrolls
+the window horizontally by one column at a time.  Clicking @kbd{mouse-1}
 on the left or right of the scroll bar's inner box scrolls the window by
 four columns.  Dragging the inner box scrolls the window continuously.
 
@@ -1066,11 +1066,11 @@ argument is positive, off if the argument is not positive.  To control
 the use of menu bars at startup, customize the variable
 @code{menu-bar-mode}.
 
-@kindex C-Mouse-3 @r{(when menu bar is disabled)}
+@kindex C-mouse-3 @r{(when menu bar is disabled)}
   Expert users often turn off the menu bar, especially on text
 terminals, where this makes one additional line available for text.
 If the menu bar is off, you can still pop up a menu of its contents
-with @kbd{C-Mouse-3} on a display which supports pop-up menus.
+with @kbd{C-mouse-3} on a display which supports pop-up menus.
 @xref{Menu Mouse Clicks}.
 
   @xref{Menu Bar}, for information on how to invoke commands with the
diff --git a/doc/emacs/help.texi b/doc/emacs/help.texi
index 172d058f857..4b7b7fc6315 100644
--- a/doc/emacs/help.texi
+++ b/doc/emacs/help.texi
@@ -343,7 +343,7 @@ invoke it with.  In our example, it would say that you can invoke
 
   For more information about a function definition, variable or symbol
 property listed in an apropos buffer, you can click on it with
-@kbd{Mouse-1} or @kbd{Mouse-2}, or move there and type @key{RET}.
+@kbd{mouse-1} or @kbd{mouse-2}, or move there and type @key{RET}.
 
   When you specify more than one word in the apropos pattern, a name
 must contain at least two of the words in order to match.  Thus, if
@@ -404,8 +404,8 @@ Follow a cross reference at point (@code{help-follow}).
 Move point forward to the next hyperlink (@code{forward-button}).
 @item S-@key{TAB}
 Move point back to the previous hyperlink (@code{backward-button}).
-@item Mouse-1
-@itemx Mouse-2
+@item mouse-1
+@itemx mouse-2
 Follow a hyperlink that you click on.
 @item C-c C-c
 Show all documentation about the symbol at point
@@ -427,7 +427,7 @@ Go back to the previous help topic (@code{help-go-back}).
 appears in the documentation in the help buffer, it is normally an
 underlined @dfn{hyperlink}.  To view the associated documentation,
 move point there and type @key{RET} (@code{help-follow}), or click on
-the hyperlink with @kbd{Mouse-1} or @kbd{Mouse-2}.  Doing so replaces
+the hyperlink with @kbd{mouse-1} or @kbd{mouse-2}.  Doing so replaces
 the contents of the help buffer; to retrace your steps, type @kbd{C-c
 C-b} (@code{help-go-back}).  While retracing your steps, you can go
 forward by using @kbd{C-c C-b} (@code{help-go-forward}).
diff --git a/doc/emacs/killing.texi b/doc/emacs/killing.texi
index dd3671c95f1..107adb99ec4 100644
--- a/doc/emacs/killing.texi
+++ b/doc/emacs/killing.texi
@@ -587,9 +587,9 @@ you can access it using the following Emacs commands:
 
 @table @kbd
 @findex mouse-set-secondary
-@kindex M-Drag-Mouse-1
+@kindex M-Drag-mouse-1
 @cindex secondary-selection face
-@item M-Drag-Mouse-1
+@item M-Drag-mouse-1
 Set the secondary selection, with one end at the place where you press
 down the button, and the other end at the place where you release it
 (@code{mouse-set-secondary}).  The selected text is highlighted, using
@@ -600,31 +600,31 @@ window, just like @code{mouse-set-region} (@pxref{Mouse Commands}).
 This command does not alter the kill ring.
 
 @findex mouse-start-secondary
-@kindex M-Mouse-1
-@item M-Mouse-1
+@kindex M-mouse-1
+@item M-mouse-1
 Set one endpoint for the @dfn{secondary selection}
 (@code{mouse-start-secondary}).
 
 @findex mouse-secondary-save-then-kill
-@kindex M-Mouse-3
-@item M-Mouse-3
+@kindex M-mouse-3
+@item M-mouse-3
 Set the secondary selection, with one end at the position clicked and
-the other at the position specified with @kbd{M-Mouse-1}
+the other at the position specified with @kbd{M-mouse-1}
 (@code{mouse-secondary-save-then-kill}).  This also puts the selected
-text in the kill ring.  A second @kbd{M-Mouse-3} at the same place
+text in the kill ring.  A second @kbd{M-mouse-3} at the same place
 kills the secondary selection just made.
 
 @findex mouse-yank-secondary
-@kindex M-Mouse-2
-@item M-Mouse-2
+@kindex M-mouse-2
+@item M-mouse-2
 Insert the secondary selection where you click, placing point at the
 end of the yanked text (@code{mouse-yank-secondary}).
 @end table
 
-Double or triple clicking of @kbd{M-Mouse-1} operates on words and
-lines, much like @kbd{Mouse-1}.
+Double or triple clicking of @kbd{M-mouse-1} operates on words and
+lines, much like @kbd{mouse-1}.
 
-If @code{mouse-yank-at-point} is non-@code{nil}, @kbd{M-Mouse-2} yanks
+If @code{mouse-yank-at-point} is non-@code{nil}, @kbd{M-mouse-2} yanks
 at point.  Then it does not matter precisely where you click, or even
 which of the frame's windows you click on.  @xref{Mouse Commands}.
 
diff --git a/doc/emacs/macos.texi b/doc/emacs/macos.texi
index 71d2e99950c..b0597dc2499 100644
--- a/doc/emacs/macos.texi
+++ b/doc/emacs/macos.texi
@@ -51,9 +51,9 @@ modifier keys; a value to @code{left} means be the same key as
 @code{ns-alternate-modifier}; a value of @code{none} tells Emacs to
 ignore them.
 
-  @kbd{S-Mouse-1} adjusts the region to the click position,
-just like @kbd{Mouse-3} (@code{mouse-save-then-kill}); it does not pop
-up a menu for changing the default face, as @kbd{S-Mouse-1} normally
+  @kbd{S-mouse-1} adjusts the region to the click position,
+just like @kbd{mouse-3} (@code{mouse-save-then-kill}); it does not pop
+up a menu for changing the default face, as @kbd{S-mouse-1} normally
 does (@pxref{Text Scale}).  This change makes Emacs behave more like
 other Mac / GNUstep applications.
 
diff --git a/doc/emacs/maintaining.texi b/doc/emacs/maintaining.texi
index 797b53f16e8..aca29910b7d 100644
--- a/doc/emacs/maintaining.texi
+++ b/doc/emacs/maintaining.texi
@@ -432,7 +432,7 @@ to the master repository.
 
   On a graphical display, you can move the mouse over this mode line
 indicator to pop up a tool-tip, which displays a more verbose
-description of the version control status.  Pressing @kbd{Mouse-1}
+description of the version control status.  Pressing @kbd{mouse-1}
 over the indicator pops up a menu of VC commands, identical to
 @samp{Tools / Version Control} on the menu bar.
 
@@ -1335,7 +1335,7 @@ their single-buffer counterparts (@pxref{Search}).
 @cindex stashes in version control
 @cindex shelves in version control
   The above commands are also available via the menu bar, and via a
-context menu invoked by @kbd{Mouse-2}.  Furthermore, some VC backends
+context menu invoked by @kbd{mouse-2}.  Furthermore, some VC backends
 use the menu to provide extra backend-specific commands.  For example,
 Git and Bazaar allow you to manipulate @dfn{stashes} and @dfn{shelves}
 (where are a way to temporarily put aside uncommitted changes, and
@@ -1806,7 +1806,7 @@ object-oriented language, or if there's a function and a variable by
 the same name), the command shows the candidate definitions in a
 @file{*xref*} buffer, together with the files in which these
 definitions are found.  Selecting one of these candidates by typing
-@kbd{@key{RET}} or clicking @kbd{Mouse-2} will pop a buffer showing
+@kbd{@key{RET}} or clicking @kbd{mouse-2} will pop a buffer showing
 the corresponding definition.
 
   When entering the identifier argument to @kbd{M-.}, the usual
@@ -1858,7 +1858,7 @@ the special XREF mode:
 
 @table @kbd
 @item @key{RET}
-@itemx Mouse-2
+@itemx mouse-2
 Display the reference on the current line and bury the @file{*xref*}
 buffer.
 @item n
diff --git a/doc/emacs/mark.texi b/doc/emacs/mark.texi
index dd47532e7ed..fdba0a47461 100644
--- a/doc/emacs/mark.texi
+++ b/doc/emacs/mark.texi
@@ -69,9 +69,9 @@ The same.
 @item C-x C-x
 Set the mark at point, and activate it; then move point where the mark
 used to be (@code{exchange-point-and-mark}).
-@item Drag-Mouse-1
+@item Drag-mouse-1
 Set point and the mark around the text you drag across.
-@item Mouse-3
+@item mouse-3
 Set the mark at point, then move point to where you click
 (@code{mouse-save-then-kill}).
 @item @samp{Shifted cursor motion keys}
diff --git a/doc/emacs/mini.texi b/doc/emacs/mini.texi
index 6ab716d909a..be4206cb60c 100644
--- a/doc/emacs/mini.texi
+++ b/doc/emacs/mini.texi
@@ -219,7 +219,7 @@ set the variable @code{enable-recursive-minibuffers} to @code{t}.
 
 @findex minibuffer-inactive-mode
   When not active, the minibuffer is in @code{minibuffer-inactive-mode},
-and clicking @kbd{Mouse-1} there shows the @file{*Messages*} buffer.
+and clicking @kbd{mouse-1} there shows the @file{*Messages*} buffer.
 If you use a dedicated frame for minibuffers, Emacs also recognizes
 certain keys there, for example @kbd{n} to make a new frame.
 
@@ -337,8 +337,8 @@ used with the completion list:
 
 @table @kbd
 @findex mouse-choose-completion
-@item Mouse-1
-@itemx Mouse-2
+@item mouse-1
+@itemx mouse-2
 Clicking mouse button 1 or 2 on a completion alternative chooses it
 (@code{mouse-choose-completion}).
 
diff --git a/doc/emacs/misc.texi b/doc/emacs/misc.texi
index b5a21500fcb..af2b6acd8a4 100644
--- a/doc/emacs/misc.texi
+++ b/doc/emacs/misc.texi
@@ -1217,7 +1217,7 @@ submit the copy as input with @key{RET}.  If you wish, you can edit
 the copy before resubmitting it.  If you use this command on an output
 line, it copies that line to the end of the buffer.
 
-@item Mouse-2
+@item mouse-2
 If @code{comint-use-prompt-regexp} is @code{nil} (the default), copy
 the old input command that you click on, inserting the copy at the end
 of the buffer (@code{comint-insert-input}).  If
@@ -1226,7 +1226,7 @@ not over old input, just yank as usual.
 @end table
 
   Moving to a previous input and then copying it with @kbd{C-c
-@key{RET}} or @kbd{Mouse-2} produces the same results---the same
+@key{RET}} or @kbd{mouse-2} produces the same results---the same
 buffer contents---that you would get by using @kbd{M-p} enough times
 to fetch that previous input from the history list.  However, @kbd{C-c
 @key{RET}} copies the text from the buffer, which can be different
@@ -2097,7 +2097,7 @@ You can also type @kbd{M-x pr-interface @key{RET}}; this creates a
 @file{*Printing Interface*} buffer, similar to a customization buffer,
 where you can set the printing options.  After selecting what and how
 to print, you start the print job using the @samp{Print} button (click
-@kbd{Mouse-2} on it, or move point over it and type @key{RET}).  For
+@kbd{mouse-2} on it, or move point over it and type @key{RET}).  For
 further information on the various options, use the @samp{Interface
 Help} button.
 
@@ -2606,8 +2606,8 @@ typing @kbd{M-x goto-address-mode}.  When this buffer-local minor mode
 is enabled, it finds all the URLs in the buffer, highlights them, and
 turns them into clickable buttons.  You can follow the URL by typing
 @kbd{C-c @key{RET}} (@code{goto-address-at-point}) while point is on
-its text; or by clicking with @kbd{Mouse-2}, or by clicking
-@kbd{Mouse-1} quickly (@pxref{Mouse References}).  Following a URL is
+its text; or by clicking with @kbd{mouse-2}, or by clicking
+@kbd{mouse-1} quickly (@pxref{Mouse References}).  Following a URL is
 done by calling @code{browse-url} as a subroutine
 (@pxref{Browse-URL}).
 
@@ -2680,12 +2680,12 @@ point (@code{dired-at-point}).
 @code{ffap-dired-other-frame}, analogous to @code{dired-other-frame}.
 @item M-x ffap-next
 Search buffer for next file name or URL, then find that file or URL.
-@item S-Mouse-3
-@kindex S-Mouse-3 @r{(FFAP)}
+@item S-mouse-3
+@kindex S-mouse-3 @r{(FFAP)}
 @code{ffap-at-mouse} finds the file guessed from text around the position
 of a mouse click.
-@item C-S-Mouse-3
-@kindex C-S-Mouse-3 @r{(FFAP)}
+@item C-S-mouse-3
+@kindex C-S-mouse-3 @r{(FFAP)}
 Display a menu of files and URLs mentioned in current buffer, then
 find the one you select (@code{ffap-menu}).
 @end table
diff --git a/doc/emacs/msdos-xtra.texi b/doc/emacs/msdos-xtra.texi
index 45edd6cb7f9..89c14d23914 100644
--- a/doc/emacs/msdos-xtra.texi
+++ b/doc/emacs/msdos-xtra.texi
@@ -122,8 +122,8 @@ and the menu bar
 (@pxref{Menu Bar}).
 @end ifnottex
  Scroll bars don't work in MS-DOS Emacs.  PC mice usually have only
-two buttons; these act as @kbd{Mouse-1} and @kbd{Mouse-2}, but if you
-press both of them together, that has the effect of @kbd{Mouse-3}.  If
+two buttons; these act as @kbd{mouse-1} and @kbd{mouse-2}, but if you
+press both of them together, that has the effect of @kbd{mouse-3}.  If
 the mouse does have 3 buttons, Emacs detects that at startup, and all
 the 3 buttons function normally, as on X.
 
diff --git a/doc/emacs/mule.texi b/doc/emacs/mule.texi
index a0b1d626a7b..e735343cc75 100644
--- a/doc/emacs/mule.texi
+++ b/doc/emacs/mule.texi
@@ -499,7 +499,7 @@ the alternative.  Typing a number selects the associated alternative
 of the current row and uses it as input.
 
   @key{TAB} in these Chinese input methods displays a buffer showing
-all the possible characters at once; then clicking @kbd{Mouse-2} on
+all the possible characters at once; then clicking @kbd{mouse-2} on
 one of them selects that alternative.  The keys @kbd{C-f}, @kbd{C-b},
 @kbd{C-n}, @kbd{C-p}, and digits continue to work as usual, but they
 do the highlighting in the buffer showing the possible characters,
@@ -1036,7 +1036,7 @@ decoding it using coding system @var{right} instead.
 the current buffer (i.e., the coding system to use when saving or
 reverting the file).  You specify which coding system using the
 minibuffer.  You can also invoke this command by clicking with
-@kbd{Mouse-3} on the coding system indicator in the mode line
+@kbd{mouse-3} on the coding system indicator in the mode line
 (@pxref{Mode Line}).
 
   If you specify a coding system that cannot handle all the characters
diff --git a/doc/emacs/programs.texi b/doc/emacs/programs.texi
index 780e00ca681..0c79d9c3de1 100644
--- a/doc/emacs/programs.texi
+++ b/doc/emacs/programs.texi
@@ -1305,7 +1305,7 @@ count as blocks.
 @kindex C-c @@ C-M-s
 @kindex C-c @@ C-r
 @kindex C-c @@ C-l
-@kindex S-Mouse-2
+@kindex S-mouse-2
 @table @kbd
 @item C-c @@ C-h
 Hide the current block (@code{hs-hide-block}).
@@ -1313,7 +1313,7 @@ Hide the current block (@code{hs-hide-block}).
 Show the current block (@code{hs-show-block}).
 @item C-c @@ C-c
 Either hide or show the current block (@code{hs-toggle-hiding}).
-@item S-Mouse-2
+@item S-mouse-2
 Toggle hiding for the block you click on (@code{hs-mouse-toggle-hiding}).
 @item C-c @@ C-M-h
 Hide all top-level blocks (@code{hs-hide-all}).
diff --git a/doc/emacs/rmail.texi b/doc/emacs/rmail.texi
index ef9894d6f26..a8cf5e4a512 100644
--- a/doc/emacs/rmail.texi
+++ b/doc/emacs/rmail.texi
@@ -1252,8 +1252,8 @@ Address mode:
 @end example
 
 @noindent
-Then you can browse these URLs by clicking on them with @kbd{Mouse-2}
-(or @kbd{Mouse-1} quickly) or by moving to one and typing @kbd{C-c
+Then you can browse these URLs by clicking on them with @kbd{mouse-2}
+(or @kbd{mouse-1} quickly) or by moving to one and typing @kbd{C-c
 @key{RET}}.  @xref{Goto Address mode, Activating URLs, Activating URLs}.
 
 @node Rmail Coding
diff --git a/doc/emacs/search.texi b/doc/emacs/search.texi
index 459e8446937..7958a4a2bfa 100644
--- a/doc/emacs/search.texi
+++ b/doc/emacs/search.texi
@@ -203,10 +203,10 @@ saved in the search ring is specified by the variable
 @cindex incremental search, edit search string
 @cindex interactively edit search string
 @kindex M-e @r{(Incremental search)}
-@kindex Mouse-1 @r{in the minibuffer (Incremental Search)}
+@kindex mouse-1 @r{in the minibuffer (Incremental Search)}
   To edit the current search string in the minibuffer without
 replacing it with items from the search ring, type @kbd{M-e} or click
-@kbd{Mouse-1} in the minibuffer.  Type @key{RET}, @kbd{C-s} or
+@kbd{mouse-1} in the minibuffer.  Type @key{RET}, @kbd{C-s} or
 @kbd{C-r} to finish editing the string and search for it.  Type
 @kbd{C-f} or @kbd{@key{RIGHT}} to add to the search string characters
 following point from the buffer from which you started the search.
@@ -234,7 +234,7 @@ end of a line, it appends the next line.  With a prefix argument
 
 @kindex C-y @r{(Incremental search)}
 @kindex M-y @r{(Incremental search)}
-@kindex Mouse-2 @r{in the minibuffer (Incremental search)}
+@kindex mouse-2 @r{in the minibuffer (Incremental search)}
 @findex isearch-yank-kill
 @findex isearch-yank-pop
 @findex isearch-yank-x-selection
@@ -242,7 +242,7 @@ end of a line, it appends the next line.  With a prefix argument
 appends the current kill to the search string.  @kbd{M-y}
 (@code{isearch-yank-pop}), if called after @kbd{C-y}, replaces that
 appended text with an earlier kill, similar to the usual @kbd{M-y}
-(@code{yank-pop}) command (@pxref{Yanking}).  Clicking @kbd{Mouse-2}
+(@code{yank-pop}) command (@pxref{Yanking}).  Clicking @kbd{mouse-2}
 in the echo area appends the current X selection (@pxref{Primary
 Selection}) to the search string (@code{isearch-yank-x-selection}).
 
diff --git a/doc/emacs/text.texi b/doc/emacs/text.texi
index 41abb42fb5d..e19925025d7 100644
--- a/doc/emacs/text.texi
+++ b/doc/emacs/text.texi
@@ -1255,7 +1255,7 @@ C-x} exits two folds and leaves the text and subheadings exposed.
 folds, and for showing and hiding text:
 
 @table @asis
-@item @kbd{C-M-Mouse-1} zooms in on the heading clicked on
+@item @kbd{C-M-mouse-1} zooms in on the heading clicked on
 @itemize @w{}
 @item
 single click: expose body.
@@ -1266,7 +1266,7 @@ triple click: expose body and subheadings.
 @item
 quad click: expose entire subtree.
 @end itemize
-@item @kbd{C-M-Mouse-2} exposes text under the heading clicked on
+@item @kbd{C-M-mouse-2} exposes text under the heading clicked on
 @itemize @w{}
 @item
 single click: expose body.
@@ -1277,7 +1277,7 @@ triple click: expose body and subheadings.
 @item
 quad click: expose entire subtree.
 @end itemize
-@item @kbd{C-M-Mouse-3} hides text under the heading clicked on or exits fold
+@item @kbd{C-M-mouse-3} hides text under the heading clicked on or exits fold
 @itemize @w{}
 @item
 single click: hide subtree.
@@ -2156,7 +2156,7 @@ want to set the justification style to @code{unfilled}
 
   The easiest way to alter properties is with the @samp{Text
 Properties} menu.  You can get to this menu from the @samp{Edit} menu
-in the menu bar (@pxref{Menu Bar}), or with @kbd{C-Mouse-2}
+in the menu bar (@pxref{Menu Bar}), or with @kbd{C-mouse-2}
 (@pxref{Menu Mouse Clicks}).  Some of the commands in the @samp{Text
 Properties} menu are listed below (you can also invoke them with
 @kbd{M-x}):
diff --git a/doc/emacs/windows.texi b/doc/emacs/windows.texi
index 702963f75c5..bb8b68bf5f4 100644
--- a/doc/emacs/windows.texi
+++ b/doc/emacs/windows.texi
@@ -71,7 +71,7 @@ Split the selected window into two windows, one above the other
 @item C-x 3
 Split the selected window into two windows, positioned side by side
 (@code{split-window-right}).
-@item C-Mouse-2
+@item C-mouse-2
 In the mode line of a window, split that window.
 @end table
 
@@ -129,12 +129,12 @@ truncation glyphs, the margins, and the scroll bar.
   On text terminals, side-by-side windows are separated by a vertical
 divider which is drawn using the @code{vertical-border} face.
 
-@kindex C-Mouse-2 @r{(mode line)}
-@kindex C-Mouse-2 @r{(scroll bar)}
-  If you click @kbd{C-Mouse-2} in the mode line of a window, that
+@kindex C-mouse-2 @r{(mode line)}
+@kindex C-mouse-2 @r{(scroll bar)}
+  If you click @kbd{C-mouse-2} in the mode line of a window, that
 splits the window, putting a vertical divider where you click.
 Depending on how Emacs is compiled, you can also split a window by
-clicking @kbd{C-Mouse-2} in the scroll bar, which puts a horizontal
+clicking @kbd{C-mouse-2} in the scroll bar, which puts a horizontal
 divider where you click (this feature does not work when Emacs uses
 GTK+ scroll bars).
 
@@ -158,8 +158,8 @@ this option is @code{nil}.
 Select another window (@code{other-window}).
 @item C-M-v
 Scroll the next window (@code{scroll-other-window}).
-@item Mouse-1
-@kbd{Mouse-1}, in the text area of a window, selects the window and
+@item mouse-1
+@kbd{mouse-1}, in the text area of a window, selects the window and
 moves point to the position clicked.  Clicking in the mode line
 selects the window without moving point in it.
 @end table