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https://issues.apache.org/jira/browse/SLING-5945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15439154#comment-15439154
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Konrad Windszus edited comment on SLING-5945 at 8/26/16 2:34 PM:
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Ok, now I do understand. Actually I had to come up with such a weird expression
only because of issue SLING-5944.
I would suggest to come up with a short introduction paragraph in
https://sling.apache.org/documentation/bundles/scripting/scripting-sightly.html
stating that the Sightly parser is triggered after regular HTML parsing. That
means that Sightly scripts always have to be valid HTML. Since that is a
fundamental difference to JSP (and most people are used to JSP) it is worth
mentioning that.
Probably it should be mentioned even in the HTL Spec at
https://github.com/Adobe-Marketing-Cloud/htl-spec/blob/master/SPECIFICATION.md.
was (Author: kwin):
Ok, now I do understand. Actually I had to come up with such a weird expression
only because of issue SLING-5944.
I would suggest to come up with a short introduction paragraph in
https://sling.apache.org/documentation/bundles/scripting/scripting-sightly.html
stating that the Sightly parser is triggered after HTML parsing. Since that is
a fundamental difference to JSP (and most people are used to JSP) it is worth
mentioning that.
> Using opening angle brackets twice in expression language leads to token
> recognition error
> ------------------------------------------------------------------------------------------
>
> Key: SLING-5945
> URL: https://issues.apache.org/jira/browse/SLING-5945
> Project: Sling
> Issue Type: Bug
> Components: Scripting
> Affects Versions: Scripting Sightly Engine 1.0.18
> Reporter: Konrad Windszus
> Assignee: Radu Cotescu
> Fix For: Scripting Sightly Engine 1.0.20
>
>
> The following Sightly expression leads to an exception when used inside a
> block element's content
> {code}
> ${'<{0}> </{0}>' @ format=['myelement'], context='unsafe'}
> {code}.
> The error is
> {code}
> token recognition error at: ''<{0}>' for expression ${'<{0}>
> at
> org.apache.sling.scripting.sightly.impl.engine.UnitLoader.getSourceCodeForScript(UnitLoader.java:135)
> {code}
> On the other hand
> {code}
> ${'<{0} /> ' @ format=['myelement'], context='unsafe'}
> {code}
> works without any issues.
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