Merge pull request gskinner#108 from alundiak/patch-1

index.html change, added _ to the default text.

Author: wdamien

index.html

@@ -170,7 +170,7 @@ <h1 class="substitution-title">Substitution</h1>
 
 Sample text for testing:
 abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
-0123456789 +-.,!@#$%^&*();\/|&lt;>"'
+0123456789 _+-.,!@#$%^&*();\/|&lt;>"'
 12345 -98.7 3.141 .6180 9,000 +42
 555.123.4567	+1-(800)-555-2468
 [email protected]	[email protected]