From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fergus Henderson To: Frank Klemm Cc: gcc@gcc.gnu.org Subject: Re: Proposal Date: Wed, 03 Oct 2001 03:52:00 -0000 Message-id: <20011003205215.A569@hg.cs.mu.oz.au> References: <200109151841.UAA04064@fuchs.offl.uni-jena.de> <20010917235928.A11347@daikokuya.demon.co.uk> <20010918021527.A14623@fuchs.offl.uni-jena.de> <20010927160755.D330@fuchs.offl.uni-jena.de> X-SW-Source: 2001-10/msg00166.html On 27-Sep-2001, Frank Klemm wrote: > '_' should be allowed in numbers. It is allowed between the digits of > numbers in a C/C++ source _before_ preprocessing. It is not allowed between > digits which are 'created' during the preprocessor phase. > > It is nearly impossible to write a filter which recognizes such '_' > and removes it. This is the reason for this rule. If gcc introduces a '_' in > numbers, such a filter is a MUST. I disagree that such a filter is necessary. I think a filter which just handled the cases that don't involve token concatenation would be quite sufficient. -- Fergus Henderson | "I have always known that the pursuit The University of Melbourne | of excellence is a lethal habit" WWW: < http://www.cs.mu.oz.au/~fjh > | -- the last words of T. S. Garp.