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Fix line containing only whitespace.
[perl5.git] / pod / perlfaq4.pod
index bf00acc..c870918 100644 (file)
@@ -2431,7 +2431,7 @@ you want to check three keys deep, you might na├»vely try this:
        if( exists $hash{key1}{key2}{key3} ) {
                ...;
                }
-               
+
 Even though you started with a completely empty hash, after that call to 
 C<exists> you've created the structure you needed to check for C<key3>: