Re: Use of { and } was Re: Back & Forth - Co-routines

albert@spenarnc.xs4all.nl writes:

The first publication of Pascal was IIRC
>
1975
Pascal , user manual and report.
Jensen/Wirth
ISBN 0-387-90144-2
>
Uses { } in all examples, and it is referenced in chapter 1, briefly.

"Programming in Modula-2" Second Edition contains the "Report on The
Programming Language Modula-2", and only (* and *) are defined there
as delimiting comments.  It says that comments are nestable.

I also have a book on Pascal: "Pascal Handbuch" by E. Floegel.  In
Figure 3.31 on page 15 it shows (* and *), but not { and } as
"Verwendete Zeichen in Pascal" (used characters in Pascal, although
the intention is probably to show the symbolic lexemes).

- anton
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M. Anton Ertl  http://www.complang.tuwien.ac.at/anton/home.html
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