diff --git a/runtime/doc/filetype.txt b/runtime/doc/filetype.txt
index b56a3d3..41b27cc 100644
--- a/runtime/doc/filetype.txt
+++ b/runtime/doc/filetype.txt
@@ -496,7 +496,7 @@
 				%%	insert a single '%' character
 				%d	insert the date from above
 				%u	insert the user from above
-                                %p	insert result of b:changelog_entry_prefix
+				%p	insert result of b:changelog_entry_prefix
 				%c	where to position cursor when done
 			The default is "%d  %u\n\n\t* %p%c\n\n", which produces
 			something like (| is where cursor will be, unless at
@@ -510,7 +510,7 @@
 			The format used when creating a new entry.
 			The following table describes special tokens in the
 			string:
-                                %p	insert result of b:changelog_entry_prefix
+				%p	insert result of b:changelog_entry_prefix
 				%c	where to position cursor when done
 			The default is "\t*%c", which produces something
 			similar to >
diff --git a/runtime/doc/ft_ada.txt b/runtime/doc/ft_ada.txt
index 80ed728..35dd534 100644
--- a/runtime/doc/ft_ada.txt
+++ b/runtime/doc/ft_ada.txt
@@ -172,7 +172,7 @@
 							       *g:gnat.Make()*
 g:gnat.Make()
 		Calls |g:gnat.Make_Command| and displays the result inside a
-               |quickfix| window.
+		|quickfix| window.
 
 							     *g:gnat.Pretty()*
 g:gnat.Pretty()
diff --git a/runtime/doc/ft_sql.txt b/runtime/doc/ft_sql.txt
index f98b062..110784d 100644
--- a/runtime/doc/ft_sql.txt
+++ b/runtime/doc/ft_sql.txt
@@ -371,7 +371,7 @@
     'sqlKeyword'	   - Display the items for the sqlKeyword highlight
 			     group
     'sqlKeyword\w*'	   - A second option available with Vim 7.4 which
-                             uses a regular expression to determine which
+			     uses a regular expression to determine which
 			     syntax groups to use
     )<CR>		   - Execute the :let command
     <C-X><C-O>		   - Trigger the standard omni completion key stroke.
diff --git a/runtime/doc/if_ole.txt b/runtime/doc/if_ole.txt
index b08fa98..c546e97 100644
--- a/runtime/doc/if_ole.txt
+++ b/runtime/doc/if_ole.txt
@@ -39,9 +39,9 @@
 	$vim = new Win32::OLE 'Vim.Application';
 
 [C#] >
-        // Add a reference to Vim in your project.
-        // Choose the COM tab.
-        // Select "Vim Ole Interface 1.1 Type Library"
+	// Add a reference to Vim in your project.
+	// Choose the COM tab.
+	// Select "Vim Ole Interface 1.1 Type Library"
 	Vim.Vim vimobj = new Vim.Vim();
 
 Vim does not support acting as a "hidden" OLE server, like some other OLE
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index cf83ffc..1229726 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -592,7 +592,7 @@
 last defined.  Example: >
 
 	:verbose map <C-W>*
-        Kitty keyboard protocol: Cleared
+	Kitty keyboard protocol: Cleared
 	n  <C-W>*      * <C-W><C-S>*
 		Last set from /home/abcd/.vimrc
 
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 48e45e8..210bfdc 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -366,14 +366,14 @@
 			shown (but that might change in the future).
 
 :se[t] {option}<	Set the effective value of {option} to its global
-                        value.
+			value.
 			For string |global-local| options, the local value is
 			removed, so that the global value will be used.
 			For all other options, the global value is copied to
 			the local value.
 
 :setl[ocal] {option}<	Set the effective value of {option} to its global
-                        value.
+			value.
 			For number and boolean |global-local| options, the
 			local value is removed, so that the global value will
 			be used.
@@ -2932,7 +2932,7 @@
 				Use the indent heuristic for the internal
 				diff library.
 
-                algorithm:{text} Use the specified diff algorithm with the
+		algorithm:{text} Use the specified diff algorithm with the
 				internal diff engine. Currently supported
 				algorithms are:
 				myers      the default algorithm
@@ -6467,7 +6467,7 @@
 	this option at the default "on".  Only switch it off when working with
 	old Vi scripts.
 
-                                               *'renderoptions'* *'rop'*
+						*'renderoptions'* *'rop'*
 'renderoptions' 'rop'	string  (default: empty)
 			global
 			{only available when compiled with GUI and DIRECTX on
diff --git a/runtime/doc/os_vms.txt b/runtime/doc/os_vms.txt
index ff43548..862f31d 100644
--- a/runtime/doc/os_vms.txt
+++ b/runtime/doc/os_vms.txt
@@ -753,7 +753,7 @@
 	$      say "IA64 platform"
 	$      define/nolog VIM RF10:[UTIL.IA64_EXE] ! IA64 executables
 	$ endif
-        $! VIMRUNTIME must be defined in order to find runtime files
+	$! VIMRUNTIME must be defined in order to find runtime files
 	$ define/nolog VIMRUNTIME RF10:[UTIL.VIM73]
 
 A good example for this approach is the [GNU]gnu_tools.com script from
diff --git a/runtime/doc/pi_netrw.txt b/runtime/doc/pi_netrw.txt
index 90164e2..2b22105 100644
--- a/runtime/doc/pi_netrw.txt
+++ b/runtime/doc/pi_netrw.txt
@@ -642,7 +642,7 @@
 	work with your ftp client.  Otherwise the script will
 	prompt for user-id and password.
 
-        (*3) for ftp, "machine" may be machine#port or machine:port
+	(*3) for ftp, "machine" may be machine#port or machine:port
 	if a different port is needed than the standard ftp port
 
 	(*4) for http:..., if wget is available it will be used.  Otherwise,
@@ -788,7 +788,7 @@
 		(related: |netrw-userpass|)
 
 :NetrwSettings  This command is described in |netrw-settings| -- used to
-                display netrw settings and change netrw behavior.
+		display netrw settings and change netrw behavior.
 
 
 ==============================================================================
diff --git a/runtime/doc/quickfix.txt b/runtime/doc/quickfix.txt
index 325f592..ae3bfb5 100644
--- a/runtime/doc/quickfix.txt
+++ b/runtime/doc/quickfix.txt
@@ -378,14 +378,14 @@
 			List all errors.
 
 :cl[ist]! +{count}	List the current and next {count} error lines.  This
-                        is useful to see unrecognized lines after the current
+			is useful to see unrecognized lines after the current
 			one.  For example, if ":clist" shows:
-        8384 testje.java:252: error: cannot find symbol ~
-                        Then using ":cl! +3" shows the reason:
-        8384 testje.java:252: error: cannot find symbol ~
-        8385:   ZexitCode = Fmainx(); ~
-        8386:               ^ ~
-        8387:   symbol:   method Fmainx() ~
+	8384 testje.java:252: error: cannot find symbol ~
+			Then using ":cl! +3" shows the reason:
+	8384 testje.java:252: error: cannot find symbol ~
+	8385:   ZexitCode = Fmainx(); ~
+	8386:               ^ ~
+	8387:   symbol:   method Fmainx() ~
 
 :lli[st] [from] [, [to]]				*:lli* *:llist*
 			Same as ":clist", except the location list for the
diff --git a/runtime/doc/terminal.txt b/runtime/doc/terminal.txt
index 3720603..8535fcf 100644
--- a/runtime/doc/terminal.txt
+++ b/runtime/doc/terminal.txt
@@ -1025,17 +1025,17 @@
 Put this in your .vimrc: >
 	def g:Tapi_lcd(_, path: string)
 	    if isdirectory(path)
-                execute 'silent lcd ' .. fnameescape(path)
-            endif
+		execute 'silent lcd ' .. fnameescape(path)
+	    endif
 	enddef
 <
 And, in a bash init file: >
-        if [[ -n "$VIM_TERMINAL" ]]; then
-            PROMPT_COMMAND='_vim_sync_PWD'
-            function _vim_sync_PWD() {
-              printf '\033]51;["call", "Tapi_lcd", "%q"]\007' "$PWD"
-            }
-        fi
+	if [[ -n "$VIM_TERMINAL" ]]; then
+	    PROMPT_COMMAND='_vim_sync_PWD'
+	    function _vim_sync_PWD() {
+		printf '\033]51;["call", "Tapi_lcd", "%q"]\007' "$PWD"
+	    }
+	fi
 <
 Or, for zsh: >
 	if [[ -n "$VIM_TERMINAL" ]]; then
@@ -1403,8 +1403,8 @@
  *:Asm*	     jump to the window with the disassembly, create it if there
 	     isn't one
  *:Var*	     jump to the window with the local and argument variables,
-             create it if there isn't one. This window updates whenever the
-             program is stopped
+	     create it if there isn't one. This window updates whenever the
+	     program is stopped
 
 Events ~
 							*termdebug-events*
diff --git a/runtime/doc/vim9.txt b/runtime/doc/vim9.txt
index 0f5884b..7dd2ab0 100644
--- a/runtime/doc/vim9.txt
+++ b/runtime/doc/vim9.txt
@@ -2024,7 +2024,7 @@
 					    *import-legacy* *legacy-import*
 `:import` can also be used in legacy Vim script.  The imported namespace still
 becomes script-local, even when the "s:" prefix is not given. For example: >
-        import "myfile.vim"
+	import "myfile.vim"
 	call s:myfile.MyFunc()
 
 And using the "as name" form: >