New helper erl-flash-region and use it in erl-find-source to provide visual hint for successful searches.
and support searching type definitions.
Fix some buglets and compiler warnings.
Cosmetic changes to -import(...). to avoid confusing indentation engine.
Also notify unknown messages.
This commit replaces byte "f6" with bytes "c3 b6". The snapshot of R17 pre-release used for compiling is 039ea3a. The compilation succeeds also with R13B04 so hopefully this should not introduce regressions for versions of Erlang older than R17. See also http://erlang.org/doc/apps/stdlib/unicode_usage.html