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https://issues.apache.org/jira/browse/VELOCITY-594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12595232#action_12595232
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jukefox commented on VELOCITY-594:
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Sorry for the multiple edits. That is my fist ticket posted in JIRA. My hope
was that some text-formatting would be possible within the description field
but this seems not be the case.
> null-values cannot be set in macros
> -----------------------------------
>
> Key: VELOCITY-594
> URL: https://issues.apache.org/jira/browse/VELOCITY-594
> Project: Velocity
> Issue Type: Bug
> Affects Versions: 1.5
> Environment: Windows XP SP2
> Reporter: jukefox
>
> There is an issue with the new supported feature of assigning null-values to
> velocity variables. The following scenarios illustrate the error. The
> configuration parameter "directive.set.null.allowed" must be set to "true".
> Scenario 1 (correct behaviour outside macro):
> #set ($test = "test")
> $test
> #set ($test = $null)
> $test
> yields to the output:
> test
> $NULL
> Scenario 2 (erroneous behaviour using macro):
> #macro (test)
> #set ($test = "test")
> $test
> #set ($test = $null)
> $test
> #end
> #test()
> yields to the output:
> test
> test
> and the varibale test has not been resetted to null which is the error.
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