[jira] Closed: (TAPESTRY-1752) Expansions used in bound parameters are never re-evaluated

["Nick Westgate (JIRA)" <de...@tapestry.apache.org>]

     [ https://issues.apache.org/jira/browse/TAPESTRY-1752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nick Westgate closed TAPESTRY-1752.
-----------------------------------

       Resolution: Duplicate
    Fix Version/s: 5.0.6

Duplicate of TAPESTRY-1667.

> Expansions used in bound parameters are never re-evaluated
> ----------------------------------------------------------
>
>                 Key: TAPESTRY-1752
>                 URL: https://issues.apache.org/jira/browse/TAPESTRY-1752
>             Project: Tapestry
>          Issue Type: Bug
>          Components: tapestry-core
>    Affects Versions: 5.0.5
>            Reporter: Nick Westgate
>             Fix For: 5.0.6
>
>
> Expansions used in formal component parameter bindings will be evaluated once and only once.
> This gotcha has appeared a couple of times in the user list now.
> (It also affected my TAPESTRY-1642 example.)
> Here's one example from the user list:
>     <t:outputraw value = "${CurrentUser.about}"/>
> This one's easy to fix, but either the documentation should explicitly warn about the dangers, or it should be supported.
> Expansions cause bound parameters of type prop to be literals.
> Literal bindings are cached - and disabling that caching is not possible.
> Cached parameters are never never re-evaluated.
> Cheers,
> Nick.

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