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Re: Postscript in 4tH

From Lawrence D’Oliveiro <ldo@nz.invalid>
Newsgroups comp.lang.forth, comp.lang.postscript
Subject Re: Postscript in 4tH
Date 2026-09-08 20:34 +0000
Organization A noiseless patient Spider
Message-ID <117prfv$gq7e$3@dont-email.me> (permalink)
References <117hl2n$1ne4b$1@dont-email.me> <871pb7l36f.fsf@nightsong.com> <nnd$47db062e$781955bb@280ad1e4adf8c230> <875x0gib1k.fsf@debian>

Cross-posted to 2 groups.

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On Tue, 08 Sep 2026 02:09:43 -0300, Kragen Javier Sitaker wrote:

> I think of PostScript as being Lisp, more or less, but with
> quasi-Forth syntax ...

PostScript is homoiconic, but the resemblance to Lisp ends there. Lisp
has macros, PostScript doesn’t. Lisp needs macros, because it also has
“special forms” for syntactic constructs that implement things like
control constructs, declarations etc. PostScript doesn’t have “special
forms”, since all these concepts are implemented as built-in
functions. Which is also why it doesn’t need macros.

Also, Forth never heard of homoiconicity ...

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Re: Postscript in 4tH Kragen Javier Sitaker <kragen@canonical.org> - 2026-09-08 02:09 -0300
  Re: Postscript in 4tH Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-08 20:34 +0000
    Re: Postscript in 4tH Kragen Javier Sitaker <kragen@canonical.org> - 2026-09-08 22:38 -0300
      Re: Postscript in 4tH Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-09 03:05 +0000
        XML in Pythong (was: Re: Postscript in 4tH) Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-09 15:00 +0800
        Re: Postscript in 4tH Kragen Javier Sitaker <kragen@canonical.org> - 2026-09-10 01:06 -0300
          Re: Postscript in 4tH Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-10 07:38 +0000
          Re: Postscript in 4tH Peter Flass <Peter@Iron-Spring.com> - 2026-09-10 07:39 -0700
      Re: Postscript in 4tH Johann 'Myrkraverk' Oskarsson <johann@myrkraverk.invalid> - 2026-09-09 15:15 +0800
        Re: Postscript in 4tH Kragen Javier Sitaker <kragen@canonical.org> - 2026-09-10 01:11 -0300
      Re: Postscript in 4tH anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-09-09 07:35 +0000
        Re: Postscript in 4tH Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-09 08:10 +0000
          Re: Postscript in 4tH Hans Bezemer <the.beez.speaks@gmail.com> - 2026-09-10 17:58 +0200
      Re: Postscript in 4tH Paul Rubin <no.email@nospam.invalid> - 2026-09-09 03:01 -0700
    Re: Postscript in 4tH anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-09-09 06:42 +0000
      Re: Postscript in 4tH Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-09 08:28 +0000
        Re: Postscript in 4tH anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2026-09-09 10:03 +0000
          Re: Postscript in 4tH Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-09 22:17 +0000
        Re: Postscript in 4tH albert@spenarnc.xs4all.nl - 2026-09-09 14:42 +0200
          Re: Postscript in 4tH antispam@fricas.org (Waldek Hebisch) - 2026-09-09 19:17 +0000
            Re: Postscript in 4tH albert@spenarnc.xs4all.nl - 2026-09-10 12:22 +0200
          Re: Postscript in 4tH Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-09-09 21:54 +0000
            Re: Postscript in 4tH Paul Rubin <no.email@nospam.invalid> - 2026-09-09 22:14 -0700
            Re: Postscript in 4tH albert@spenarnc.xs4all.nl - 2026-09-10 12:30 +0200
      Re: Postscript in 4tH albert@spenarnc.xs4all.nl - 2026-09-09 14:36 +0200

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