Updated runtime files.

runtime/doc/eval.txt

@@ -1,4 +1,4 @@
-*eval.txt*	For Vim version 7.4.  Last change: 2016 Aug 27
+*eval.txt*	For Vim version 7.4.  Last change: 2016 Aug 28
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -3272,6 +3272,8 @@ delete({fname} [, {flags}])					*delete()*
 
 		When {flags} is "rf": Deletes the directory by the name
 		{fname} and everything in it, recursively.  BE CAREFUL!
+		Note: on MS-Windows it is not possible to delete a directory
+		that is being used.
 
 		A symbolic link itself is deleted, not what it points to.
 
@@ -6344,7 +6346,7 @@ round({expr})							*round()*
 		{only available when compiled with the |+float| feature}
 
 screenattr(row, col)						*screenattr()*
-		Like screenchar(), but return the attribute.  This is a rather
+		Like |screenchar()|, but return the attribute.  This is a rather
 		arbitrary number that can only be used to compare to the
 		attribute at other positions.
 

runtime/doc/options.txt

@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 7.4.  Last change: 2016 Aug 26
+*options.txt*	For Vim version 7.4.  Last change: 2016 Aug 27
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2856,10 +2856,17 @@ A jump table for the options with a short description can be found at |Q_op|.
 			global
 			{not in Vi}
 	Enables the reading of .vimrc, .exrc and .gvimrc in the current
-	directory.  If you switch this option on you should also consider
-	setting the 'secure' option (see |initialization|).  Using a local
-	.exrc, .vimrc or .gvimrc is a potential security leak, use with care!
-	also see |.vimrc| and |gui-init|.
+	directory.
+
+	Setting this option is a potential security leak.  E.g., consider
+	unpacking a package or fetching files from github, a .vimrc in there
+	might be a trojan horse.  BETTER NOT SET THIS OPTION!
+	Instead, define an autocommand in your .vimrc to set options for a
+	matching directory.
+
+	If you do switch this option on you should also consider setting the
+	'secure' option (see |initialization|).
+	Also see |.vimrc| and |gui-init|.
 	This option cannot be set from a |modeline| or in the |sandbox|, for
 	security reasons.
 

runtime/doc/starting.txt

@@ -1,4 +1,4 @@
-*starting.txt*  For Vim version 7.4.  Last change: 2016 Aug 26
+*starting.txt*  For Vim version 7.4.  Last change: 2016 Aug 27
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -838,7 +838,7 @@ accordingly.  Vim proceeds in this order:
 	    options values and has "syntax on" and "filetype on" commands,
 	    which is what most new users will want.  See |defaults.vim|.
 
-     d. If the 'exrc' option is on (which is not the default), the current
+     d. If the 'exrc' option is on (which is NOT the default), the current
 	directory is searched for three files.  The first that exists is used,
 	the others are ignored.
 	-  The file ".vimrc" (for Unix, Amiga and OS/2) (*)