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Article #2251

Re: comment style

#2251
From: Dan Bernstein
Date: Tue, 08 Jan 1991 04:24
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In article <1640@inews.intel.com> bhoughto@hopi.intel.com (Blair P. Houghton) writes:
> Likewise.  TeX ignores newlines, unless you tell it not to,
> as for example by placing a comment there, which it then ignores.

No, TeX doesn't ignore newlines. Sorry I didn't explain this well enough
the first time. Here's a complete parser for TeX's end-of-line % comment
mechanism: When you see %, read and throw away characters until newline.
Throw away the newline as well. Continue.

For a programming language it's probably better to replace the newline
with a space than to concatenate the lines around it, for the same
reason that /*foo*/ becomes a space in (non-cpp) C. But the point is
that this mechanism handles both comments and continuations in one fell
swoop.

---Dan
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Message-ID: <17791:Jan804:24:4691@kramden.acf.nyu.edu>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!yale!cmcl2!kramden.acf.nyu.edu!brnstnd
References: <1050:Jan701:40:4791@kramden.acf.nyu.edu> <616@caslon.cs.arizona.edu> <1640@inews.intel.com>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!yale!cmcl2!kramden.acf.nyu.edu!brnstnd
From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein)
Newsgroups: comp.std.c
Subject: Re: comment style
Message-ID: <17791:Jan804:24:4691@kramden.acf.nyu.edu>
Date: 8 Jan 91 04:24:46 GMT
References: <1050:Jan701:40:4791@kramden.acf.nyu.edu> <616@caslon.cs.arizona.edu> <1640@inews.intel.com>
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