Reading direct address variables from JSON-RPC

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Hey,   I am trying to read a set of variables that are declared with direct addressing in the configuration, e.g.:   VAR_GLOBAL     {S7.Extern=ReadOnly}     Variable1 AT %I42.0 : BOOL;     {S7.Extern=ReadWrite}     Variable2 AT %MB100 : WORD; END_VAR   They show up fine when browsing the TGlobalVariablesDB via the Json RPC, BUT ONLY if I omit the addressing. When I add the addressing it is as if they were declared {S7.Extern=Hidden}.   I can't find any mention of such a limitation in the documentation. Is this a bug or a feature?
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