Review request for JDK-8042089: Fix doclint warnings from javax.swing.tree and javax.swing.undo packages

[Dmitriy Ermashov]

Hi,

Please review the changeset for:
https://bugs.openjdk.java.net/browse/JDK-8042089

Webrev is here:
http://cr.openjdk.java.net/~yan/8042089/webrev.00/

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Thanks,
Dima