Scott Moore wrote:
> 2metre wrote:
>>The only reason I asked is that you have mentionned J&W 1972 many times.
>>I presume its a typo (that has unfortunately become an unintended habit)
>>that refers to either J&W 1974 or Wirth's 'The Programming Language
>>Pascal (Revised Edition) 1972'. In our earlier discussions it would have
>>been useful to know which one you meant.
>>
>>Elsewhere I have come across a reference (suppled by N. Wirth) to a
>>prelease version of the J&W 1974 publication that was available in 1973,
>>but can't trace anything back to 1972.
>
> 1972 is mentioned many times by Wirth as being the year of the revised
> Pascal standard. The online copy of the Wirth re****t from 1972 bears
that out.
A very useful resource on your site. Thank you. (I didn't have a copy
before downloading from your site.)
> The information in the Acta Informatica article is from 1970, and Wirth
> states elsewhere that he worked on the langauge in 1969. I don't have a
> copy of the Acta Informatica article, but I think there is good reason
> to presume that its "unrevised" Pascal.
I would agree with you. To quote something as a definiton or a standard
it would need to be published in some form. As far as I can tell, the
Jun 1971 Acta Informatica is the first definition of the language that
wa actually published. I believe there may have been lecture notes that
pre-date that, but I don't consider that to be a proper form of
'publication'. If we're wrong, hopefully someone else will chime in with
better info.
>
> That leaves the "Users manual and re****t", second edition from 1974,
> the first edition (if there is even such a thing) before that. All
> of them describe the same language, which was revised to that form
> in 1972.
>
> If your problem with the term J&W 1972 is that it should read "W 1972"
> dropping K. Jensen, and then yes, ...
I make the distinction that the document you provide on your site from
1972 is written by Wirth alone.
> ...I am perfectly willing to concede this
> point if the first edition date can be found.
Professor Wirth, in the preface to the Nov 1972 document, cites the
'Acta Informatica' of Jun 1971, also called "The Programming Language
Pascal" as the original definition of the language. To complicate
matters, in the same citation, he also mentions the Berichte der
Fachgruppe Computer-Wissenschaften 1 (Nov. 1970)" (Which is probably
just an internal university document - basically = 'Re****t of the
computer-sciences department')
> However, if (as both I and
> you seem to suspect) the first edition of J&W was published/written in
> 1973, then the correction would be "J&W 1973",
I would say use of J&W 1973 would be wrong, because the version I
mentionned was pre-publication. It is customary to refer to such books
by their publication dates.
> on account of the fact that
> neither I, nor I suspect Professor Wirth would appreciate cutting poor
Ms.
> Jensen out of the credits.
The 1974 published edition of 'J&W', Jensen is attributed as co-author
of the first section only i.e. the manual/tutorial. The *sole* author
of the re****t (which is the second section of the book) is N. Wirth. The
re****t is a revision of his Nov 72 paper "The Programming Language
Pascal (Revised Edition)".
> Tell you what. You seem interested in pinning down the exact facts of
> this matter, and thats good. If you would be willing to gather these
> facts with a little more research on dates and facts, I would like
> to put that as a section in the FAQ. Deal ?
I think I have answered all the questions? If you want further
clarification
or provenance, please ask.
Thanks Scott,
Mike.
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