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*  DTD changes associated with clustered-pool

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>     attributes :
>       pool-name
>               the pool-id associated with the resource.
>       In case of clustered-pool, it can be a comma separated
>       list of available connection pools.
>
643a650,656
>       attributes
>
>       pool-name
>               the pool-id associated with the resource.
>       In case of clustered-pool, it can be a comma separated
>       list of available connection pools.
>

Comments : This is only a description change. Now pool-name can take 
comma-separated connection-pool ids. The DTD has no impact as such.
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* DTD change associated with introduction of sun-specific-property

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>
>     sun-specific-property
>       To enable application server specific connection pool features.
>         (See <sun-specific-property>)
>
>       The following are the names and corresponding description for these
>         properties
>
>       LeakTracing
>               To aid user in detecting potential connection leaks by
>                application.
>
>       ConnectionLeakTimeout
>               The period after which connection is considered to
>               be leaked.
>
>       ConnectionCreationRetry
>                       To retry connection creation for specific number of
>               times, at specified intervals
>
>       ConnectionCreationRetryAttempts
>               The number of attempt to create a new connection
>               when requested by application
>
>       ConnectionCreationRetryInterval
>               The time interval between successive retry to create
>               a connection
>
>       ValidateAtmostPeriod
>               Validates atmost once in the specified time-interval
>
>       StatementTimeout
>               Sets the timeout property of a connection to enable
>               termination of abnormally long running queries.
>
>       PollInterval
>               The time interval between successive polling of failed node.
>               Applicable only for clustered pool.
>
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< <!ELEMENT jdbc-connection-pool (description?, property*)>
---
> <!ELEMENT jdbc-connection-pool (description?, sun-specific-property*  property*)>
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>
>     sun-specific-property
>       To enable application server specific connection pool features.
>         (See <sun-specific-property>)
>
>       The following are the names and corresponding description for these
>         properties
>
>       LeakTracing
>               To aid user in detecting potential connection leaks by
>                application.
>
>       ConnectionLeakTimeout
>               The period after which connection is considered to
>               be leaked.
>
>       ConnectionCreationRetry
>                       To retry connection creation for specific number of
>               times, at specified intervals
>
>       ConnectionCreationRetryAttempts
>               The number of attempt to create a new connection
>               when requested by application
>
>       ConnectionCreationRetryInterval
>               The time interval between successive retry to create
>               a connection
>
>       ValidateAtmostPeriod
>               Validates atmost once in the specified time-interval
>
>       PollInterval
>               The time interval between successive polling of failed node.
>               Applicable only for clustered pool.
>
2825c2912
< <!ELEMENT connector-connection-pool (description?, security-map*, property*)>
---
> <!ELEMENT connector-connection-pool (description?, security-map*, sun-specific-property*, property*)>
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> <!-- sun-specific-property
>     Syntax for providing application server specific features for
>     connection-pool
>
>   Used in:
>     connector-connection-pool, jdbc-connection-pool
>
> -->
> <!ELEMENT sun-specific-property (description?)>
>
> <!ATTLIST sun-specific-property
>     name CDATA #REQUIRED
>     value CDATA #REQUIRED>

Comments : The above is list of DTD changes for introduction of sun-specific property. 
An optional element sun-specific-property is introduced for jdbc and connector
connection-pool. It is similar to element property. It will hold name and value pair.

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