quickref.txt: Update Vim 9.0.0752

Author: tsuyoshicho

en/quickref.txt

@@ -1,4 +1,4 @@
-*quickref.txt*  For Vim version 9.0.  Last change: 2022 May 05
+*quickref.txt*  For Vim version 9.0.  Last change: 2022 Oct 02
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -910,6 +910,7 @@ Short explanation of each option:		*option-list*
 'smartcase'	  'scs'     no ignore case when pattern has uppercase
 'smartindent'	  'si'	    smart autoindenting for C programs
 'smarttab'	  'sta'     use 'shiftwidth' when inserting <Tab>
+'smoothscroll'	  'sms'     scroll by screen lines when 'wrap' is set
 'softtabstop'	  'sts'     number of spaces that <Tab> uses while editing
 'spell'			    enable spell checking
 'spellcapcheck'   'spc'     pattern to locate end of a sentence
@@ -918,6 +919,7 @@ Short explanation of each option:		*option-list*
 'spelloptions'	  'spo'     options for spell checking
 'spellsuggest'	  'sps'     method(s) used to suggest spelling corrections
 'splitbelow'	  'sb'	    new window from split is below the current one
+'splitkeep'	  'spk'     determines scroll behavior for split windows
 'splitright'	  'spr'     new window is put right of the current one
 'startofline'	  'sol'     commands move cursor to first non-blank in line
 'statusline'	  'stl'     custom format for the status line