[jira] [Created] (VELOCITY-995) Deprecate syntax constructs not planned for next major version ; add elvis operator

Claude Brisson created VELOCITY-995:
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             Summary: Deprecate syntax constructs not planned for next major version ; add elvis operator
                 Key: VELOCITY-995
                 URL: https://issues.apache.org/jira/browse/VELOCITY-995
             Project: Velocity
          Issue Type: Task
          Components: Engine
    Affects Versions: 2.5
            Reporter: Claude Brisson
             Fix For: 2.5


Next engine major version will allow ${kotlin expression} constructs (at least, that's the goal). To go this route, we need to explicitly deprecate the syntax constructs.

Introduce:

- elvis operator

Deprecate :

- {{${foo|'bar'}}} => {{${foo ?: 'bar}}}
- $foo.bar => ${foo.bar}
- ${$foo.bar} => ${foo.bar}

Syntax deprecation warnings should be gated.




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