... GB framework. Since then, there have been changes in linguistic theory; some properties that were determined by principles in GB are handled differently under the Minimalist approach. Parameters have gradually become more constrained, being largely associated with variation in the lexicon. In the Minimalist framework, the computational system is 'given' by UG and is invariant. What varies is properties of the items that enter into the computation (for example, their feature composition and feature strength). Such changes in linguistic theory (hence in the definition of UG) should not be seen as a matter of major concern. What we are interested in (in part) is whether certain abstract and complex properties which are underdetermined by the L2 input manifest themselves in inter-language grammars (ILGs). The fact that there are constant revisions to theoretical analyses of these properties is tangential. (It is a reflection of normal development and growth within linguistic theory.) What does not change (much) is theoreticians' view of what the problematic data ...

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