[jira] [Created] (FLINK-7568) Bring window documentation up-to-date with latest changes and improve

[Shang Yuanchun (Jira)]

Aljoscha Krettek created FLINK-7568:
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             Summary: Bring window documentation up-to-date with latest changes and improve
                 Key: FLINK-7568
                 URL: https://issues.apache.org/jira/browse/FLINK-7568
             Project: Flink
          Issue Type: Bug
          Components: Documentation
            Reporter: Aljoscha Krettek
            Assignee: Aljoscha Krettek


Off the top of my head:

 - Make {{ProcessWindowFunction}} the primary window function, threat {{WindowFunction}} as legacy
 - Document more specifically how windowing behaves: window boundaries, chaining of several windowed operations, timestamps of emitted data, what is "key" in a {{ProcessWindowFunction}}...



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