Replaced
"18" in octal is equal to "18" in decimal
with
"17" in octal is equal to "15" in decimal
    
        | author | sherrillmix <git@sherrillmix.com> | 
    
        | date | Wed, 23 Nov 2011 23:48:39 -0400 | 
    
    
        | parents | d96929307215 | 
    
        | children | c40a55cd4ae4 | 
    
        | branches/tags | (none) | 
    
        | files | chapters/25.markdown | 
Changes
    
--- a/chapters/25.markdown	Wed Nov 16 20:50:32 2011 -0500
+++ b/chapters/25.markdown	Wed Nov 23 23:48:39 2011 -0400
@@ -29,8 +29,8 @@
     :echom 017
     :echom 019
 
-Vim will print "15" for the first command, because "18" in octal is equal to
-"18" in decimal.  For the second command Vim treats it as a decimal number, even
+Vim will print "15" for the first command, because "17" in octal is equal to
+"15" in decimal.  For the second command Vim treats it as a decimal number, even
 though it starts with a `0`, because it's not a valid octal number.
 
 Because Vim silently does the wrong thing in this case, I'd recommend avoiding