I don't seem to have the original post (not in spamfilter either). But
generically, I think namespacing specials in formulas is just a Bad Idea. They
are syntactic constructs, specifically _not_ function calls, so people are
stumbling over formally protecting them from a non-existing scoping iss
I don't have any concerns about these changes, don't see any need to
preserve the old behaviour.
In lme4 and glmmTMB (and now broken out into a separate `reformulas`
package, I do this the hard way, walking down the parse trees of formula
objects and looking for specials, and not using the
