RFR: 8316207: Fix typos in java.io.StreamTokenizer

[Naoto Sato]

On Wed, 13 Sep 2023 15:43:45 GMT, Pavel Rappo <prappo at openjdk.org> wrote:

> This is a simple PR to fix a few typos in the doc comments of java.io.StreamTokenizer. When reviewing it, please double-check my proposal for L481. For this, you should ideally read the complete comment to the `lowerCaseMode` method. Thanks!

Marked as reviewed by naoto (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15723#pullrequestreview-1625562814