Date: Tue, 25 Apr 1995 18:46:01 -0600 From: Warner Losh <imp@village.org> To: asami@cs.berkeley.edu (Satoshi Asami | =?ISO-2022-JP?B?GyRCQHUbKEI=?= =?ISO-2022-JP?B?GyRCOCsbKEIgGyRCOC0bKEI=?=) Cc: rgrimes@gndrsh.aac.dev.com, hsu@freefall.cdrom.com, jkh@freefall.cdrom.com, hackers@freefall.cdrom.com Subject: Re: #if instead of .if Message-ID: <199504260046.SAA23052@rover.village.org> In-Reply-To: Your message of Fri, 21 Apr 1995 23:12:22 PDT
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: you can't use #. See how much trouble the X/imake folks go through : (use XCOMM in their Imakefile, which are replaced with # for Makefile, : ugh) to avoid this problem. That is done because cpp on some systems whines loudly or refuses to work when you don't have a valid directive name after the #. It has little to do with the comment directive duality. In fact, many languages use this: 1) Dec Fortran has CDEC xxx in column 1 (a comment by any other name... 2) lint has /*NOTREACHED*/ 3) Various flavors of pascal use (*$XXX=YYY*) Warner
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