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https://issues.apache.org/struts/browse/STR-3055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Benedict resolved STR-3055.
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Resolution: Not A Problem
After playing around with the app, it became obvious that the cryptic "!empty
pageScope" is a way of demonstrating EL. Yes, a verbose way of getting true or
false, but a sure way of generating those values through an example.
> Figure out the 'disabled="${!empty pageScope}" in EL-Example
> ------------------------------------------------------------
>
> Key: STR-3055
> URL: https://issues.apache.org/struts/browse/STR-3055
> Project: Struts 1
> Issue Type: Task
> Components: Apps
> Affects Versions: 1.3.9
> Reporter: Henri Yandell
> Assignee: Henri Yandell
> Priority: Minor
> Fix For: 1.3.10, 1.4.0
>
>
> The EL-Example has lots of 'disabled="${!empty pageScope}". This seems hugely
> confusing - why say that and not just 'true' or 'false'.
> At the minimum, need to explain when it's happening so people know a field is
> meant to be disabled.
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