The spec for java.util.Formatter class has a chapter Summary / Argument Index. In that chapter there are following text in Mozilla Firefox browser:
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For example, the following two statements would produce identical strings:

   Calendar c = ...;
   String s1 = String.format("Duke's Birthday: %1$tm %1$te,%1$tY", c);

   String s2 = String.format("Duke's Birthday: %1$tm %
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The code for s2 is truncated. So the spec should be fixed.