[TUHS] Archaic yacc C grammar
lars at nocrew.org
Tue Oct 30 18:16:17 AEST 2018
Warner Losh wrote:
> Steve Johnson wrote:
> We actually had a pretty good system for making changes like
> that. First, we would change the compiler to accept both the old and
> the new. Then we would produce a warning that on a particular date
> the old would no longer work. Then we made the old an error and
> printed a message about how to fix it.
> How long a transition period did you typically have?
I heard the V7 compiler still supports old B style initialization
"int x 42;". So in some cases, a really long time.
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