Update runtime files

runtime/compiler/scdoc.vim

@@ -0,0 +1,16 @@
+" scdoc compiler for Vim
+" Compiler: scdoc
+" Maintainer: Greg Anders <greg@gpanders.com>
+" Last Updated: 2019-10-24
+
+if exists('current_compiler')
+    finish
+endif
+let current_compiler = 'scdoc'
+
+if exists(':CompilerSet') != 2
+    command -nargs=* CompilerSet setlocal <args>
+endif
+
+CompilerSet makeprg=scdoc\ <\ %\ 2>&1
+CompilerSet errorformat=Error\ at\ %l:%c:\ %m,%-G%.%#

runtime/doc/autocmd.txt

@@ -1,4 +1,4 @@
-*autocmd.txt*   For Vim version 8.2.  Last change: 2021 Jul 27
+*autocmd.txt*   For Vim version 8.2.  Last change: 2021 Aug 01
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -76,7 +76,7 @@ and in a `:def` function) then {cmd} will be executed as in Vim9
 script.  Thus this depends on where the autocmd is defined, not where it is
 triggered.
 
-{cmd} can use a block, like with `:command`, see |:command-repl|.  Example: >
+{cmd} can be a block, like with `:command`, see |:command-repl|.  Example: >
 	au BufReadPost *.xml {
 		  setlocal matchpairs+=<:>
 		  /<start

runtime/doc/channel.txt

@@ -536,7 +536,7 @@ ch_evalraw({handle}, {string} [, {options}])		*ch_evalraw()*
 			GetChannel()->ch_evalraw(rawstring)
 
 ch_getbufnr({handle}, {what})				 *ch_getbufnr()*
-		Get the buffer number that {handle} is using for {what}.
+		Get the buffer number that {handle} is using for String {what}.
 		{handle} can be a Channel or a Job that has a Channel.
 		{what} can be "err" for stderr, "out" for stdout or empty for
 		socket output.
@@ -586,8 +586,8 @@ ch_info({handle})						*ch_info()*
 
 
 ch_log({msg} [, {handle}])					*ch_log()*
-		Write {msg} in the channel log file, if it was opened with
-		|ch_logfile()|.
+		Write String {msg} in the channel log file, if it was opened
+		with |ch_logfile()|.
 		When {handle} is passed the channel number is used for the
 		message.
 		{handle} can be a Channel or a Job that has a Channel.  The
@@ -625,7 +625,7 @@ ch_open({address} [, {options}])				*ch_open()*
 		Open a channel to {address}.  See |channel|.
 		Returns a Channel.  Use |ch_status()| to check for failure.
 
-		{address} has the form "hostname:port", e.g.,
+		{address} is a String and has the form "hostname:port", e.g.,
 		"localhost:8765".
 
 		When using an IPv6 address, enclose it within square brackets.

runtime/doc/cmdline.txt

@@ -1,4 +1,4 @@
-*cmdline.txt*   For Vim version 8.2.  Last change: 2021 May 30
+*cmdline.txt*   For Vim version 8.2.  Last change: 2021 Aug 06
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -170,7 +170,12 @@ CTRL-R {register}					*c_CTRL-R* *c_<C-R>*
 				too.
 				When the result is a Float it's automatically
 				converted to a String.
-		See |registers| about registers.
+				Note that when you only want to move the
+				cursor and not insert anything, you must make
+				sure the expression evaluates to an empty
+				string.  E.g.: >
+					<C-R><C-R>=setcmdpos(2)[-1]<CR>
+<		See |registers| about registers.
 		Implementation detail: When using the |expression| register
 		and invoking setcmdpos(), this sets the position before
 		inserting the resulting string.  Use CTRL-R CTRL-R to set the