From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,MAILING_LIST_MULTI, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 943 invoked from network); 16 Jun 2023 19:39:13 -0000 Received: from minnie.tuhs.org (2600:3c01:e000:146::1) by inbox.vuxu.org with ESMTPUTF8; 16 Jun 2023 19:39:13 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 4BEA2425BB; Sat, 17 Jun 2023 05:39:07 +1000 (AEST) Received: from mail-oi1-x22e.google.com (mail-oi1-x22e.google.com [IPv6:2607:f8b0:4864:20::22e]) by minnie.tuhs.org (Postfix) with ESMTPS id 3BE34425BA for ; Sat, 17 Jun 2023 05:39:00 +1000 (AEST) Received: by mail-oi1-x22e.google.com with SMTP id 5614622812f47-39ca0c2970aso866752b6e.3 for ; Fri, 16 Jun 2023 12:39:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686944339; x=1689536339; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=Lojk1QfOrske5/Fj8tmnuIRKmhQpPaghhQlRT1uu9Io=; b=Fgcjp4Dy8cwlNJWGECIo2IVE5Gh6h9g7Od6p8n48oDVj2xVBYrLX3F9FVZ58Nje1v5 MgkauPk5QBsyVMB4CREf73F3NxeN0npUSoCcW1W4TaBjlNvzWQg/X9gtjXlLt7ntkVZU z3DzD9G472kVa3CHcxnh1+k55MPfqZSwyFGuiuUEcBhd8iqznH4xpA8KEQ5Asl92dW4v 3QmV50Z531eiDLeiCgWhST/dHx0oFXOnkJnggHEnxxeqbmymihfTncwy42lIP42m/D0y 08meiNS8y5+iLcmQfv4/4c2g/P8owmA+spwS+N03EkmHC1aLc8EMHD/SghaGUhzURsK4 SigA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686944339; x=1689536339; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=Lojk1QfOrske5/Fj8tmnuIRKmhQpPaghhQlRT1uu9Io=; b=dgfGmSPCXzPXPZGJTbpSxW2E53bXI+AO5nrUkdImPeb3MerR30R4ls6BeMiV/r13hY hM7YB99aeKr91zKuR9jK2VIKuNSSJOifqA6GPFwi8FjmCTi5VwM4CRXA4L5Z9MJimy1R EbuwcxqAsADmqvUJEG8r6QfepalWJhF6yvBC26D83sKtjhEcBD7DkZNJDH9fQIpvNvYm 9O+Y2HXbnONQoLSIH32UKdZ+NXgkZ+txmEsjPw78UdEMtx2alvnYDXuy+m0ChT0MkPlP aDA1jk1XeYSjk89IbqHEDOjmy2btjth9Y50qtgvxlk6viLhhNkLGFSJJTUcS1nhMEn3U d0Gg== X-Gm-Message-State: AC+VfDxmS3JcZD47SLkd4jIHScNHsdncsleTWUb+i/0HQuGHm9sV/mrs etviZTCtzmBWisyofw8Z2Vc= X-Google-Smtp-Source: ACHHUZ63tJ7SLtzyJJywvgqQibV49BBKFjfL9waK0RMmQGyCJOzLqD2cC0Tqp0/4+axzeg51hVn3+A== X-Received: by 2002:a05:6808:23c7:b0:397:98dd:b8fc with SMTP id bq7-20020a05680823c700b0039798ddb8fcmr3575460oib.38.1686944339320; Fri, 16 Jun 2023 12:38:59 -0700 (PDT) Received: from illithid (ip68-12-97-90.ok.ok.cox.net. [68.12.97.90]) by smtp.gmail.com with ESMTPSA id l3-20020a544503000000b0039aab5cee6csm8064068oil.11.2023.06.16.12.38.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Jun 2023 12:38:58 -0700 (PDT) Date: Fri, 16 Jun 2023 14:38:57 -0500 From: "G. Branden Robinson" To: Damian McGuckin Message-ID: <20230616193857.tvtjhddovjpwfegb@illithid> References: <20230616032055.ixdg6ubvfxgjhsmb@illithid> <37ea7f2b-e8f7-3cfe-a27d-ece47c5dc0f7@esi.com.au> <20230616050705.3ualzkwc44a7sm4u@illithid> <1qA46y-3OI-00@marmaro.de> <1da83cf3-7fac-b5fd-dec-e4b4313d3a@esi.com.au> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fmtuorz56ympk2h5" Content-Disposition: inline In-Reply-To: <1da83cf3-7fac-b5fd-dec-e4b4313d3a@esi.com.au> Message-ID-Hash: 2MJEAJ5IZHMNXQVUSTHTAA7JBQ4UMZQJ X-Message-ID-Hash: 2MJEAJ5IZHMNXQVUSTHTAA7JBQ4UMZQJ X-MailFrom: g.branden.robinson@gmail.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: groff@gnu.org, TUHS main list X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: GNU eqn clarifications and reforms List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: --fmtuorz56ympk2h5 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable At 2023-06-17T05:19:46+1000, Damian McGuckin wrote: > Getting back to groff, that final/terminating sigma, is it still > pronounced as sigma. >=20 > It certainly has no EQN equivalent name and its groff short symbol > name is >=20 > \(ts >=20 > (terminal sigma) which is not like other greek letters. Just > wondering whether it needs a sentence to mention its abscence from > EQN. There are a few others, but they postdate Ossanna troff. From groff_char(7) in 1.23.0.rc4: =CF=B5 \[+e] u03F5 variant epsilon (lunate) =CF=91 \[+h] u03D1 variant theta (cursive form) =CF=96 \[+p] u03D6 variant pi (similar to omega) =CF=86 \[+f] u03C6 variant phi (curly shape) =CF=82 \[ts] u03C2 terminal lowercase sigma + I know of no reason to make these generally available by default in eqn, though, any more than they already are. You can type their special characters in eqn input and assign spacing and style types to them. (This typing system is a GNU eqn feature, not present in AT&T eqn). In fact I have a coupled pair of reforms in mind for GNU eqn: unfastening the definitions of the lowercase Greek special characters =66rom the typeface used for letters (variables), and then defining the lowercase Greek letter eqn macro names ("alpha", "beta", ...) to explicitly use the "letter" style type. https://savannah.gnu.org/bugs/?64232 https://savannah.gnu.org/bugs/?64231 (For example: define alpha ! type "letter" \(*a ! ) This should result in no change for historical documents (except on terminals, where it will fix a bug), and give us some flexibility for users of modern fonts where Greek letters are properly supported in text fonts (i.e., in four styles). The Graphic Systems C/A/T had uppercase Greek available _only_ upright and lowercase Greek _only_ italic. Modern typesetting systems are not so limited. Regards, Branden --fmtuorz56ympk2h5 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEh3PWHWjjDgcrENwa0Z6cfXEmbc4FAmSMukkACgkQ0Z6cfXEm bc6Emw/8Dd4LxyIiTekKR5vrZUapvsCLtZnLrBY81qsZ1AtzQz+kZtwywkmIfIsc s6vXlDLnJOYcHXpg6O6AVLcWLbyA/k3j+iIzfi+eV4F9v8L1cxO9aERX7jC0gBpA ODOVS9iCQUv5XNMsAOymLvHzFLDTLmzDwIo7KOgccbYmudHk2kzoo7HFcve2uCQK MofwYAedvwWaI+NAA2PA3BLv6WCs6/zl/7blAtHmOx9R10g2mNIDly69+fnSkuZ4 Fg8/BrM7nG289JkMauJPHRIA482LL60TOiKS4WikI3GHIxpyUrzBBYapsKWZg/Qt keW/QzU+zHaqo3/QKRSQxz+OEb/9upce+l5LHL+lbg6cCQHn7atnjdh2oJ2wKm2f 2E2/p3fDEIbeuXQrB3PLkuSWj95jkM5JWwo/oZZyLWtQI2/Le1ens5BdS+rpL1if sqx/XJmjFPTwPzas9nVBhLRAzpyZZ6yEN60ONUjw4NTK7zoEefZkeAXultDmCJOo 4PYI9BQAgwna8FzKlNwzbpjI8UEwWChekuF1JXnVtBjvA6/LS6St3EF3IUQwB3XI d2IUIBkElqP4nfOLsXi+rlt4BCTH/764WxTLwAgHjUQWAPkjGXfwOrRYajtVVJQA exhQMIhUpXOhh048d9oNvOG6JZDWQFZXWy3AImQ5U07ipO6rG90= =deXC -----END PGP SIGNATURE----- --fmtuorz56ympk2h5--