[TUHS] [TUHS -> moving to COFF] # and the Preprocessor

[Dr Iain Maoileoin]

> On 8 Jan 2020, at 16:02, Clem Cole <clemc at ccc.com> wrote:
> 
> below...  -- warning veering a little from pure UNIX history, but trying to clarify what I can and then moving to COFF for follow up.
> 
> On Wed, Jan 8, 2020 at 12:23 AM Brian Walden <tuhs at cuzuco.com <mailto:tuhs at cuzuco.com>> wrote:
> ....
> 
> - CMU's ALGOL68S from 1978 list all these ways --
>   co            comment
>   comment       comment
>   pr            pragmat
>   pragmat       pragmat
I remember that a pragma (at least in Algol68R (ICL 1900 series) and I would need to reread the formal definition to see if it was general) was not a comment.
It was a note to the compiler - which could choose to use it or lose it.
>   #             (comment symbol) comment
>   ::            (pragmat symbol) pragmat
>   (its for UNIX v6 or v7 so not surprising # is a comment)
>   http://www.softwarepreservation.org/projects/ALGOL/manual/a68s.txt/view <http://www.softwarepreservation.org/projects/ALGOL/manual/a68s.txt/view>
> 

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