Used NOignorecase to demonstrate the ==? comparison operator.
    
        | author | Dominique van de Vorle <dvdvorle@gmail.com> | 
    
        | date | Wed, 25 Apr 2012 12:35:17 +0200 | 
    
    
        | parents | 17ece76ba98a | 
    
        | children | 90badcd07969 | 
    
        | branches/tags | (none) | 
    
        | files | chapters/22.markdown | 
Changes
    
--- a/chapters/22.markdown	Sun Apr 22 13:36:33 2012 +0100
+++ b/chapters/22.markdown	Wed Apr 25 12:35:17 2012 +0200
@@ -90,7 +90,7 @@
 Run the following command:
 
     :::vim
-    :set ignorecase
+    :set noignorecase
     :if "foo" ==? "FOO"
     :    echom "first"
     :elseif "foo" ==? "foo"