'cpoptions': Remove "w" flag #2507

runtime/doc/change.txt

@@ -248,9 +248,6 @@ Special case: When the cursor is in a word, "cw" and "cW" do not include the
 white space after a word, they only change up to the end of the word.  This is
 because Vim interprets "cw" as change-word, and a word does not include the
 following white space.
-{Vi: "cw" when on a blank followed by other blanks changes only the first
-blank; this is probably a bug, because "dw" deletes all the blanks; use the
-'w' flag in 'cpoptions' to make it work like Vi anyway}
 
 If you prefer "cw" to include the space after a word, use this mapping: >
 	:map cw dwi

runtime/doc/motion.txt

@@ -409,9 +409,7 @@ WORD before the fold.
 
 Special case: "cw" and "cW" are treated like "ce" and "cE" if the cursor is
 on a non-blank.  This is because "cw" is interpreted as change-word, and a
-word does not include the following white space.  {Vi: "cw" when on a blank
-followed by other blanks changes only the first blank; this is probably a
-bug, because "dw" deletes all the blanks}
+word does not include the following white space.
 
 Another special case: When using the "w" motion in combination with an
 operator and the last word moved over is at the end of a line, the end of

runtime/doc/options.txt

@@ -1945,10 +1945,6 @@ A jump table for the options with a short description can be found at |Q_op|.
 			erased from the screen right away.  With this flag the
 			screen newly typed text overwrites backspaced
 			characters.
-								*cpo-w*
-		w	When using "cw" on a blank character, only change one
-			character and not all blanks until the start of the
-			next word.
 								*cpo-W*
 		W	Don't overwrite a readonly file.  When omitted, ":w!"
 			overwrites a readonly file, if possible.