[erlang-questions] leading underscores on variables versus _

[Matthias Lang]

Dominic Williams writes:

 > This is one of the (many many) cases that would be easy to
 > manage with a compiler flag to keep the old behaviour.

Only if you define "easy" as somehow keeping track which source files
use the old rules and which use the new conventions, and never forget
which is which when switching...

Matthias