Update runtime files
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index d1202a7..f27c2c1 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1,4 +1,4 @@
-*map.txt*       For Vim version 8.1.  Last change: 2019 Oct 20
+*map.txt*       For Vim version 8.1.  Last change: 2019 Nov 09
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -358,6 +358,8 @@
 :cmap  :cnoremap  :cunmap  :cmapclear	     -	       yes	   -
 :lmap  :lnoremap  :lunmap  :lmapclear	    yes*       yes*	  yes*
 
+* If 'iminsert' is 1, see |language-mapping| below.
+
 The original Vi did not have separate mappings for
 Normal/Visual/Operator-pending mode and for Insert/Command-line mode.
 Therefore the ":map" and ":map!" commands enter and display mappings for
@@ -834,13 +836,21 @@
       let &t_TI = ""
       let &t_TE = ""
 It does not take effect immediately.  To have this work without restarting Vim
-execute a shell command, e.g.: `!ls`
+execute a shell command, e.g.: `!ls`  Or put the lines in your |vimrc|.
+
+When modifyOtherKeys is enabled you can map <C-[> and <C-S-{>: >
+	imap <C-[> [[[
+	imap <C-S-{> {{{
+Without modifyOtherKeys <C-[> and <C-S-{> are indistinguishable from Esc.
 
 A known side effect effect is that in Insert mode the raw escape sequence is
 inserted after the CTRL-V key.  This can be used to check whether
 modifyOtherKeys is enabled: In Insert mode type CTRL-V CTRL-V, if you get
 one byte then modifyOtherKeys is off, if you get <1b>27;5;118~ then it is on.
 
+When the 'esckeys' option is off, then modifyOtherKeys will be disabled in
+Insert mode to avoid every key with a modifier causing Insert mode to end.
+
 
 1.12 MAPPING AN OPERATOR				*:map-operator*