Update runtime files and translations
diff --git a/runtime/doc/autocmd.txt b/runtime/doc/autocmd.txt
index 0c2fa52..c3f04cc 100644
--- a/runtime/doc/autocmd.txt
+++ b/runtime/doc/autocmd.txt
@@ -1,4 +1,4 @@
-*autocmd.txt*   For Vim version 8.0.  Last change: 2018 Apr 19
+*autocmd.txt*   For Vim version 8.0.  Last change: 2018 Apr 30
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -347,6 +347,7 @@
 			when popup menu visible
 |TextYankPost|		after text is yanked or deleted
 
+|ColorSchemePre|	before loading a color scheme
 |ColorScheme|		after loading a color scheme
 
 |RemoteReply|		a reply from a server Vim was received
@@ -562,6 +563,10 @@
 				set, and <amatch> for the new colorscheme
 				name.
 
+							*ColorSchemePre*
+ColorSchemePre			Before loading a color scheme. |:colorscheme|
+				Useful to setup removing things added by a
+				color scheme, before another one is loaded.
 
 							*CompleteDone*
 CompleteDone			After Insert mode completion is done.  Either