Konrad Windszus created SLING-5945:
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             Summary: Using 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


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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