Updated runtime files.

runtime/doc/options.txt

@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 7.4.  Last change: 2016 Mar 19
+*options.txt*	For Vim version 7.4.  Last change: 2016 Mar 24
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2292,6 +2292,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 			different.  The whole undo file is encrypted, not just
 			the pieces of text.
 
+	You should use "blowfish2", also to re-encrypt older files.
+
 	When reading an encrypted file 'cryptmethod' will be set automatically
 	to the detected method of the file being read.  Thus if you write it
 	without changing 'cryptmethod' the same method will be used.
@@ -3030,8 +3032,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 	  file only, the option is not changed.
 	When 'binary' is set, the value of 'fileformats' is not used.
 
-	Note that when Vim starts up with an empty buffer this option is not
-	used.  Set 'fileformat' in your .vimrc instead.
+	When Vim starts up with an empty buffer the first item is used.  You
+	can overrule this by setting 'fileformat' in your .vimrc.
 
 	For systems with a Dos-like <EOL> (<CR><NL>), when reading files that
 	are ":source"ed and for vimrc files, automatic <EOL> detection may be
@@ -5115,6 +5117,7 @@ A jump table for the options with a short description can be found at |Q_op|.
 	   written.  A ":set nomodified" command also resets the original
 	   values to the current values and the 'modified' option will be
 	   reset.
+	   Similarly for 'eol' and 'bomb'.
 	This option is not set when a change is made to the buffer as the
 	result of a BufNewFile, BufRead/BufReadPost, BufWritePost,
 	FileAppendPost or VimLeave autocommand event.  See |gzip-example| for