Like Analyzers, can we ship elasticsearch with some named defaults for normalizers?
One obvious example being "lowercase".
I'm not sure how we would handle any name-clashes with existing user-defined normalizers but it would make life simpler for users.
The new wildcard field is an example where making a field case insensitive is a common requirement. Ideally this would need a one-liner in the mapping rather than users having to mess with analysis settings and token filters.