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https://issues.apache.org/jira/browse/VELOCITY-904?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17021252#comment-17021252
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Claude Brisson commented on VELOCITY-904:
-----------------------------------------

Yes, very much. I'll reproduce it and move it to a new issue if confirmed.

> Add a flag for better backward compatibility with null macro arguments
> ----------------------------------------------------------------------
>
>                 Key: VELOCITY-904
>                 URL: https://issues.apache.org/jira/browse/VELOCITY-904
>             Project: Velocity
>          Issue Type: Improvement
>          Components: Engine
>    Affects Versions: 2.0
>            Reporter: Claude Brisson
>            Assignee: Claude Brisson
>            Priority: Minor
>             Fix For: 2.2
>
>
> See [this 
> comment|https://issues.apache.org/jira/browse/VELOCITY-542?focusedCommentId=16621819&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16621819]
>  :
> {code}
> #macro(testmacro $parameter)
>   $parameter
> #end
> #testmacro($return)
> {code}
> bq. which used to print "$return" (when $return is null or undefined) and we 
> now get "$parameter". 
>  



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