combining two ldap lookups via "or" in ACL condition

Hi there,
I have two ldap lookups like
	condition = ${lookup ldap {<queryOne>}{0}{1}}}
	condition = ${lookup ldap {<queryTwo>}{0}{1}}}
which work fine for itself.

Now I want to combine them via "OR" so the condition
should be true, if one of them matches. So I tried

	condition = ${if or {\
                   { ${lookup ldap {queryOne}{0}{1}}} } \
                   { ${lookup ldap {queryTwo}{0}{1}}} } \
         }}
but if fails with
      failed to expand ACL string "${if or {{ ${lookup ldap [...] : condition name expected, but found "${lookup ldap {N" inside "or{...}" condition
Can you give a hint ?

Regards, Olaf

-- 
Karlsruher Institut für Technologie (KIT)
Scientific Computing Center (SCC)

Dipl.-Geophys. Olaf Hopp

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Gebäude 20.20, Raum 158
76131 Karlsruhe

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