0> In article <7b06bd660910301407g284eeea4ibe39f3b60b26835b@mail.gmail.com>, 0> Federico Cozzi <URL:mailto:f.cozzi@gmail.com> ("Federico") wrote: Federico> access = no {add motorcar = no; add taxi = no; add bicycle = Federico> no; ...} 0> In article <87iqdfqwpx.fsf@balti.ashgrove>, 0> Toby Speight <URL:mailto:T.M.Speight.90@cantab.net> ("Toby") wrote: Toby> Or possibly Toby> Toby> /-------- Toby> | access=* { add vehicle='${access}'; add foot='${access}' } Toby> | vehicle=* { add motor_vehicle='${access}'; add bicycle='${access}' } Toby> \-------- Toby> Toby> and so on? Oops; that should read /-------- | access=* { add vehicle='${access}'; add foot='${access}' } | vehicle=* { add motor_vehicle='${vehicle}'; add bicycle='${vehicle}' } \--------