URL:
  <https://savannah.gnu.org/bugs/?67873>

                 Summary: update of cholesterin.chem
                   Group: GNU roff
               Submitter: nbehrnd
               Submitted: Wed 31 Dec 2025 10:27:22 PM UTC
                Category: Preprocessor - others/general
                Severity: 3 - Normal
              Item Group: Documentation
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Unlocked
         Planned Release: None


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Follow-up Comments:


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Date: Wed 31 Dec 2025 10:27:22 PM UTC By: Norwid Behrnd <nbehrnd>
>From perspective of chemistry, the example by cholesterin.chem is outdated.

For one, addressing an audience in English, `cholesterol.chem` is better.  For
two, the current depiction misses if the fourth substituent D of four
substituents A, B, C, and D around a stereogenic centre is either in front, or
behind of the plane defined by A, B, and C.

The patches 0001 and 0002 attached below provide an improvement to the
situation (where 0002 builds on top of 0001).  They are sent as two files
because I want to ensure

- renaming the file (by `git mv old_name new_name`), patch 0001, and
- subsequent edits inside the file, patch 0002

are safely transmitted to the maintainer.  If deemed more suitable to the
commit history of chem/groff, I'm equally fine if the content of the two
patches is squashed into a single commit at discretion of the maintainer, too.






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File Attachments:

Name: 0001-chem-cholesterin.chem-cholesterol.chem.patch Size: 813B

<https://file.savannah.gnu.org/file/0001-chem-cholesterin.chem-cholesterol.chem.patch?file_id=58043>

Name: 0002-chem-cholesterol.chem-Add-stereochemistry.patch Size: 2.3KiB

<https://file.savannah.gnu.org/file/0002-chem-cholesterol.chem-Add-stereochemistry.patch?file_id=58044>



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