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From: | Hans Aberg |
Subject: | Re: too many warnings from Bison CVS for Pike |
Date: | Mon, 30 Jan 2006 01:44:32 +0100 |
On 29 Jan 2006, at 23:49, Joel E. Denny wrote:
Yes, I was trying to tell you what I think the POSIX spec intends. :)In any case, as I said before, this debate of what they meant could last a while. So, I suggested the short cut of just choosing what bison shoulddo for --yacc based on a portable interpretation of the spec.
The problem is that we do not know what this interpretation ought to be. If one does not want to break old code, then one can stick with what has been in the past.
One example is the unofficialcompile C as C++ that existed for awhile, but that was abandoned in view thatit was too difficult to maintain.This is way off topic, but when was this abandoned? make maintainer-checkwould need to be updated.
The compile C as C++ option was never official, therefore no notice was made, I gather. But it was a few years ago. The point is that the $$ = $1 seems to fall into the same category: not explicitly official, but used by some because it works.
Hans Aberg
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