--- a/chapters/22.markdown Mon Oct 10 00:17:18 2011 -0400
+++ b/chapters/22.markdown Mon Oct 10 00:28:56 2011 -0400
@@ -94,9 +94,9 @@
user has set" comparison operator. Now run the following command:
:set ignorecase
- :if "foo" ==? "FOO"
+ :if "foo" ==# "FOO"
: echom "one"
- :elseif "foo" ==? "foo"
+ :elseif "foo" ==# "foo"
: echom "two"
:endif
@@ -107,6 +107,16 @@
or insensitive comparisons. Using the normal forms is *wrong* and it *will*
break at some point. Save yourself the trouble and type the extra character.
+When you're comparing integers this distinction obviously doesn't matter.
+Still, I feel that it's better to use the case-sensitive comparisons everywhere,
+even where they're not needed, than to forget them in a place that they *are*
+needed.
+
+Using `==#` and `==?` with integers will work just fine, and if you change them
+to strings in the future it will work correctly. If you'd rather use `==` for
+integers that's fine, but you need to remember to you change the comparison if
+you change them to strings in the future.
+
Exercises
---------