From cb34420198c91e454f4e0523b997604f067c5be4 Mon Sep 17 00:00:00 2001
From: mathonsunday <veronica.l.ray@gmail.com>
Date: Tue, 6 Jan 2015 21:22:07 -0800
Subject: [PATCH] Added blank identifier explanation to maps

---
 public/maps | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/public/maps b/public/maps
index 43e7055..399dc0f 100644
--- a/public/maps
+++ b/public/maps
@@ -159,7 +159,10 @@ a map.</p>
         
         <tr>
           <td class="docs">
-            <p>The optional second return value when getting a
+            <p> Above we didn&rsquo;t
+need the index, so we ignored it with the
+<em>blank identifier</em> <code>_</code>.
+The optional second return value when getting a
 value from a map indicates if the key was present
 in the map. This can be used to disambiguate
 between missing keys and keys with zero values