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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: "C's Biggest Mistake"
Date: Thu, 05 Apr 2018 14:53:19 -0700
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supercat@casperkitty.com writes:
> On Thursday, April 5, 2018 at 3:39:36 PM UTC-5, Keith Thompson wrote:
>> Do you know of an implementation that documents that blanks between a
>> backslash and new-line are discarded?
>
> I think when I wrote PL/I using VM360 (a virtual-machine version of OS/360)
> it used 80-character records for every line rather than using newline
> characters, which meant that every line would be blank-padded out to 80
> characters.  I never used a C compiler on that platform, but I can't imagine
> that one wouldn't discard any blanks between a backslash and the end of a
> line, since for it to do otherwise would require that a backslash be placed
> in column 72 or 80 (depending upon whether the last eight characters are
> reserved for punch-card sequencing).

That's a very long-winded way of saying "no".

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Working, but not speaking, for JetHead Development, Inc.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"