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https://issues.apache.org/jira/browse/TAP5-1143?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jochen Kemnade updated TAP5-1143:
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This issue has been last updated about 1.5 years ago and has no information 
about the versions that are affected. That makes it hard to determine whether 
it is still relevant.
If the issue still persists with the current stable version (5.3.7) or the most 
recent development preview of Tapestry (5.4-beta-6), both of which are 
available from Maven Central, please update it as soon as possible, adding the 
respective version(s) to the issue's "Affects Version/s".

> Grid should allow empty "include" parameter
> -------------------------------------------
>
>                 Key: TAP5-1143
>                 URL: https://issues.apache.org/jira/browse/TAP5-1143
>             Project: Tapestry 5
>          Issue Type: Improvement
>          Components: tapestry-core
>            Reporter: Geoff Callender
>
> I wanted to create a grid with only one column which is a synthetic property, 
> so I specified include="" add="syntheticProperty", but the include parameter 
> cannot be null. 
> Instead, I had to exclude all of the source's properties, eg. 
> exclude="propertyA, propertyB, propertyC" add="syntheticProperty", which is 
> brittle because it will misbehave if the source is given any new properties.
> Here's a live example: 
> http://jumpstart.doublenegative.com.au/jumpstart/examples/onepagecrud



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