GTM iRule help with matchregion?

Besides the iRule syntax this looks like a bug with the v10.2.0.1707.0 parser. Using the following iRule I get the error text bellow.

 

 

when DNS_REQUEST {

 

if { [[matchregion] ldns ] equals $My_Region} {

 

log local0. "Drop"

 

drop

 

}

 

log local0. "Not Dropped"

 

}

 

 

011c0003:3: Rule checker ::tclCheck::checkScript did not complete: invalid command name "checkSimpleArgs 1 2 { BIGIP::checkIpTuple }"

 

while executing

 

"{checkSimpleArgs 1 2 { BIGIP::checkIpTuple }} $tokens $index"

 

("eval" body line 1)

 

invoked from within

 

"eval $default {$tokens $index}"

 

(procedure "checkOption" line 14)

 

invoked from within

 

"checkOption {

 

{ ldns { checkSimpleArgs 1 2}}

 

} { {checkSimpleArgs 1 2 { BIGIP::checkIpTuple }}} $tree $index"

 

("eval" body line 1)

 

invoked from within

 

"eval $cmd {$tree $index}"

 

(procedure "tclCheck::analyzeScript" line 89)

 

invoked from within

 

"tclCheck::analyzeScript $scriptRange"

 

(procedure "checkScript" line 5)

 

invoked from within

 

"checkScript $range"

 

("command" arm line 4)

 

invoked from within

 

"switch -- $type {

 

variable {

 

set range [lindex [lindex [lindex $word 2] 0] 1]

 

set name [parse getstring $::tclCheck::s..."

 

(procedure "checkWord" line 4)

 

invoked from withi