On 2011-10-15 14:03 , Jeremy Lavergne wrote: >> + if {${os.major} == 11 && [lindex [split ${os.version} .] 1] < 2 && ${os.platform} == "darwin"} { > > Shouldn't the darwin part come first (evaluated left to right)? Yes it's evaluated left to right (modulo short circuiting), but why would it matter?