Re: Slight alteration to back bond of chem.pic

2025-03-01 Thread Norwid Behrnd
Dear Hans, a few comments: - Do you need to represent all four substituents around the stereogenic center? Because so often, hydrogen if bound to carbon is implicit in the formulae, without ambiguity. And if all four substitutents around the carbon need to be shown -- as to introduce / tr

Re: MORE.STUFF: troffcvt seems to be dead

2025-01-17 Thread Norwid Behrnd
Bjarni Ingi Gislason wrote: > > Its website "www.snake.net" does not answer to a ping call. > @Bjarni The most recent recording of this page by archive's waybackmachine is by [2022-10-25 Tue].[1] At least some pages it indexes and links to are conserved and hence still accessible. This inc

Re: Clickable URLs in PDFs

2025-01-07 Thread Norwid Behrnd
@Francesco If you want to use `groff -ms`, a MWE can be this `test.ms` ``` .\" PDF metadata .pdfinfo /Title "example" .pdfinfo /Author "pen paper" .hy .LP This links to the start page of \c .pdfhref W -D "https://en.wikipedia.org/wiki/Main_Page"; -A "\c" \ -- "English Wikipedia" \& .pdfsync ```

Re: testing things in the groff project?

2024-11-21 Thread Norwid Behrnd
Hello Marc > groff already has perl and shell so we should stick on those choices. > > I saw some tests in the current codebase writen in shell but nothing > that complies to a report system. "Back then", after creating a local clone of groff's git repository, I presumed the sub folder `/contrib

Re: GNU chem maintenance

2024-11-19 Thread Norwid Behrnd
Hello Marc, On Thu, 14 Nov 2024 17:06:11 +0100 Marc Chantreux wrote: > > I also realized I was unconfortable to touch anything without having a > test suite so I was trying to find some existing use of dformat to make > sure the rendering was ok. > Though a project of much smaller scale and l

Re: GNU chem maintenance

2024-11-14 Thread Norwid Behrnd
Dear Branden One the papers which cite the `chem` paper by Bentley, Jelinsky, Kernigham I became aware of is "LITTLE LANGUAGES FOR PICTURES IN AWK" by Bentley. There is a small section (around figure 7) about `chem`, too -- mirrored/rescued for example in Arnold Robbin's public `dformat` reposito

Re: A list of chemical names

2024-11-10 Thread Norwid Behrnd
Dear Oliver > The Wikipedia records come with structural formulae which prompts the > idea to use chem.pic in the groff distribution (which already has a > handful of sctructures) along the calling convention of my little > package yesterday. Say, \*[S:C2H5OH] would produce the structural > formul

Re: A list of chemical names

2024-11-09 Thread Norwid Behrnd
Dear Oliver The idea to write `\*[H2O]` to relay the (all/most/much) of the work to manually call subscripts in molecular formulae to an algorithm reminds me a bit to mhchem[1] available both as a package to LaTeX[2] as well as an extension available for posts on chemistry.stackexchange.com[3] to