> Some of the symbols in this file are obviously copyright to AT+T No worry. The US Supreme Court has declared (in Google LLC v Oracle) that APIs can be freely copied. The fact that some of your defines may look like a paraphrase of AT&T almost certainly reflects the exculpatory fact that most reasonable people would likely implement the API that way regardless of whether they had seen AT&T's source.
Doug On Tue, Jul 4, 2023 at 12:01 PM <groff-requ...@gnu.org> wrote: > > Send groff mailing list submissions to > groff@gnu.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.gnu.org/mailman/listinfo/groff > or, via email, send a message with subject or body 'help' to > groff-requ...@gnu.org > > You can reach the person managing the list at > groff-ow...@gnu.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of groff digest..." > > > Today's Topics: > > 1. "recently uncovered" Bell Labs Unix bibliography (Steve Izma) > 2. EQNCHAR ... -wig for Maths Gurus (Damian McGuckin) > 3. [TUHS] Re: symbols in eqnchar (G. Branden Robinson) > 4. EQNCHAR on IBM AIX and ORACLE Solaris (Damian McGuckin) > 5. Re: [TUHS] Re: symbols in eqnchar (Damian McGuckin) > 6. Re: [TUHS] Re: symbols in eqnchar (Damian McGuckin) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 3 Jul 2023 19:03:44 -0400 > From: Steve Izma <si...@golden.net> > To: groff discussion list <groff@gnu.org> > Subject: "recently uncovered" Bell Labs Unix bibliography > Message-ID: <ZKNT0J/J9jsB+x2k@locust> > Content-Type: text/plain; charset=utf-8 > > Some of you might be interested in a note from today's Tex Users > Group news: > > Nelson Beebe reports a recently uncovered large Bell Labs > bibliography about Unix spanning 1972 to 1980. It is > available at https://www.math.utah.edu/pub/tex/bib/unix.bib. > There is a SQLite3 version of the bibliography at > https://www.math.utah.edu/pub/tex/bib/unix.db. See > https://www.math.utah.edu/~beebe/talks/#2009 for the > documentation of this format. > > There are numerous references to nroff and troff in it. > > Part of my interest in this comes from just having finished > Brian Kernighan's "Unix: A History and a Memoir", which > was thoroughly enjoyable to read. (Lots of good stories about > Doug McIlroy in it, as well.) > > -- Steve > > -- > Steve Izma > - > Home: 35 Locust St., Kitchener, Ontario, Canada N2H 1W6 > E-mail: si...@golden.net phone: 519-745-1313 > cell (text only; not frequently checked): 519-998-2684 > > == > The most erroneous stories are those we think we know best – and > therefore never scrutinize or question. > -- Stephen Jay Gould, *Full House: The Spread of Excellence > from Plato to Darwin*, 1996 > > > > ------------------------------ > > Message: 2 > Date: Tue, 4 Jul 2023 10:51:06 +1000 (AEST) > From: Damian McGuckin <dami...@esi.com.au> > To: groff@gnu.org > Subject: EQNCHAR ... -wig for Maths Gurus > Message-ID: <3bc94646-1629-c930-cfce-8d7cf29c7...@esi.com.au> > Content-Type: text/plain; format=flowed; charset=US-ASCII > > > .. and I fall short of that. > > As I read this symbol, it is a minus sign with a wiggle or tilde on top. > > The only copy of eqnchar that I have says this is the \(~= sign which > is the groff \[~=] which is two tilde's, one on top of the other. > > I thought that -wig was supposed to be a minus sign with a tilde on top, > what groff calls \[|=]. > > Similarly, an equals sign with a tilde on top is what groff calls \[=~]. > We could call it =wig. > > Thanks - Damian > > Pacific Engineering Systems International ..... 20D Grose St, Glebe NSW 2037 > Ph:+61-2-8571-0847 .. Fx:+61-2-9692-9623 | unsolicited email not wanted here > Views & opinions here are mine and not those of any past or present employer > > > > ------------------------------ > > Message: 3 > Date: Mon, 3 Jul 2023 19:53:58 -0500 > From: "G. Branden Robinson" <g.branden.robin...@gmail.com> > To: groff@gnu.org > Subject: [TUHS] Re: symbols in eqnchar > Message-ID: <20230704005358.2fm5pn2g4wnqhib2@illithid> > Content-Type: text/plain; charset="utf-8" > > Forwarding Doug's response from the TUHS list to the groff list. > > ----- Forwarded message from Douglas McIlroy <douglas.mcil...@dartmouth.edu> > ----- > > Date: Mon, 3 Jul 2023 13:51:15 -0400 > From: Douglas McIlroy <douglas.mcil...@dartmouth.edu> > To: TUHS main list <t...@tuhs.org> > Subject: [TUHS] Re: symbols in eqnchar > > > What is the name of the mathematic symbols > > Here are some readings, not exactly names > > incl (used with partial orderings) is included in, or is less than > |> is not greater than > |< is not less than > <wig > >wig > wig is approximately, or asymptotically approaches > ~wig is approximately > > Doug > > ----- End forwarded message ----- > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: signature.asc > Type: application/pgp-signature > Size: 833 bytes > Desc: not available > URL: > <https://lists.gnu.org/archive/html/groff/attachments/20230703/3a43d6d8/attachment.sig> > > ------------------------------ > > Message: 4 > Date: Tue, 4 Jul 2023 12:31:53 +1000 (AEST) > From: Damian McGuckin <dami...@esi.com.au> > To: groff@gnu.org > Subject: EQNCHAR on IBM AIX and ORACLE Solaris > Message-ID: <49106ed7-b14b-3d44-607e-e26898d63...@esi.com.au> > Content-Type: text/plain; format=flowed; charset=US-ASCII > > > In case anybody has contacts there ... > > I noticed that > > https://www.ibm.com/docs/en/aix/7.2?topic=formats-eqnchar-file-format > > is wrong for the definitions of > > -del > and > -dot > > Also > <-> > > is both described correctly and incorrectly (as being <=>). > > Also > nomem > > is spelt as 'notmem' which is wrong at least according to DWB 3.3. > > The definitions on > > https://docs.oracle.com/cd/E86824_01/html/E54776/eqnchar-5.html > > are badly sub-optimal for (at the very least) > > =del > and > <=> > > and others. Their original man pages probably need tweaking. > > Thanks - Damian > > Pacific Engineering Systems International ..... 20D Grose St, Glebe NSW 2037 > Ph:+61-2-8571-0847 .. Fx:+61-2-9692-9623 | unsolicited email not wanted here > Views & opinions here are mine and not those of any past or present employer > > > > ------------------------------ > > Message: 5 > Date: Tue, 4 Jul 2023 12:33:22 +1000 (AEST) > From: Damian McGuckin <dami...@esi.com.au> > To: "G. Branden Robinson" <g.branden.robin...@gmail.com> > Cc: groff@gnu.org > Subject: Re: [TUHS] Re: symbols in eqnchar > Message-ID: <623054f5-e68-7d8-887c-2cc76ecbd...@esi.com.au> > Content-Type: text/plain; charset=US-ASCII; format=flowed > > > Thanks Doug. > > Thanks Branden. > > On Mon, 3 Jul 2023, G. Branden Robinson wrote: > > > Forwarding Doug's response from the TUHS list to the groff list. > > > > ----- Forwarded message from Douglas McIlroy > > <douglas.mcil...@dartmouth.edu> ----- > > > > Date: Mon, 3 Jul 2023 13:51:15 -0400 > > From: Douglas McIlroy <douglas.mcil...@dartmouth.edu> > > To: TUHS main list <t...@tuhs.org> > > Subject: [TUHS] Re: symbols in eqnchar > > > >> What is the name of the mathematic symbols > > > > Here are some readings, not exactly names > > > > incl (used with partial orderings) is included in, or is less than > > |> is not greater than > > |< is not less than > > <wig > > >wig > > wig is approximately, or asymptotically approaches > > ~wig is approximately > > Thanks - Damian > > Pacific Engineering Systems International ..... 20D Grose St, Glebe NSW 2037 > Ph:+61-2-8571-0847 .. Fx:+61-2-9692-9623 | unsolicited email not wanted here > Views & opinions here are mine and not those of any past or present employer > > > > ------------------------------ > > Message: 6 > Date: Tue, 4 Jul 2023 21:07:38 +1000 (AEST) > From: Damian McGuckin <dami...@esi.com.au> > To: "G. Branden Robinson" <g.branden.robin...@gmail.com> > Cc: groff@gnu.org > Subject: Re: [TUHS] Re: symbols in eqnchar > Message-ID: <554119e-bc4c-e01f-5046-bfdfdcc43...@esi.com.au> > Content-Type: text/plain; format=flowed; charset=US-ASCII > > > Some of the symbols in this file are obviously copyright to AT+T > > Some will be groff special characters. > > How do I > > a) grab some out of the original > > b) re-write some for groff > > c) bury them in tmac/eqnrc > > and handle the copyright notice. > > For now I was just going to use > > defines > > and not a tdefine/ndefine mix. > > Thanks - Damian > > Pacific Engineering Systems International ..... 20D Grose St, Glebe NSW 2037 > Ph:+61-2-8571-0847 .. Fx:+61-2-9692-9623 | unsolicited email not wanted here > Views & opinions here are mine and not those of any past or present employer > > > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > groff mailing list > groff@gnu.org > https://lists.gnu.org/mailman/listinfo/groff > > > ------------------------------ > > End of groff Digest, Vol 225, Issue 5 > *************************************