doc improvements
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@@ -231,6 +231,11 @@ public class BookingValidator {
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<para>
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A Validator can also accept a Spring MVC <code>Errors</code> object, which is required for invoking existing Spring Validators.
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</para>
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<para>
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Validators must be registered as Spring beans employing the naming convention <code>${model}Validator</code> to be detected and invoked automatically.
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In the example above, Spring 2.5 classpath-scanning would detect the @Component and automatically register it as a bean with the name <code>bookingValidator</code>.
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Then, anytime the <code>booking</code> model needs to be validated, this <code>bookingValidator</code> instance would be invoked for you.
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</para>
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</sect3>
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</sect2>
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</sect1>
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