Update of bug #67922 (group groff):
Status: In Progress => Fixed
Open/Closed: Open => Closed
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Follow-up Comment #4:
commit aa6073c5f5e6629d1024cf7e0ff3a4f0d15382f4
Author: Norwid Behrnd <[email protected]>
Date: Sun Jan 18 13:00:53 2026 +0000
[chem]: Fix Savannah #67922 (1/3).
* contrib/chem/examples/morphine.chem: Rename this...
* contrib/chem/examples/mepacrine.chem: ...to this.
* contrib/chem/chem.am (CHEM_EXAMPLES): Reflect rename.
Begins fixing <https://savannah.gnu.org/bugs/?67922>.
commit a149c1b0f4950b402e7782f130003774d31ef5ed
Author: Norwid Behrnd <[email protected]>
Date: Mon Jan 19 18:12:44 2026 -0600
[chem]: Fix Savannah #67922 (2/3).
* contrib/chem/examples/mepacrine.chem: Update to describe mepacrine.
Now the visual representation of the structure matches the
expectations set by the file name. The visuals obtained by a
compilation meet the rules compiled by Brecher.[1]
[1] Brecher, J. Graphical Representation Standards for Chemical
Structure Diagrams (IUPAC Recommendations 2008). Pure Appl. Chem
2008, 80 (2), 277–410. https://doi.org/10.1351/pac200880020277.
Continues fixing <https://savannah.gnu.org/bugs/?67922>.
commit 9c19350871b0ef3d6d7d0cb12019239a279f32c3
Author: Norwid Behrnd <[email protected]>
Date: Mon Jan 19 18:21:12 2026 -0600
[chem]: Fix Savannah #67922 (3/3).
* contrib/chem/examples/morphine.chem: Resurrect, rewritten as a more
advanced example of how to use chem. The visualization follows the
rules compiled by Brecher[1] in the orientation of morphine {as
illustration of rule P-13.8.1.1} and parental hydride morphinane (in
appendix 3) of IUAPC's Blue Book.[2,3]
[1] Brecher, J. Graphical Representation Standards for Chemical
Structure Diagrams (IUPAC Recommendations 2008). Pure Appl. Chem.
2008, 80 (2), 277–410. https://doi.org/10.1351/pac200880020277.
[2] Nomenclature of Organic Chemistry: IUPAC Recommendations and
Preferred Names 2013; Favre, H. A., Powell, W. H., International
Union of Pure and Applied Chemistry, Eds.; Royal Society of
Chemistry: Cambridge, 2014.
[3] https://iupac.qmul.ac.uk/BlueBook/
Fixes <https://savannah.gnu.org/bugs/?67922>.
[I recast the ChangeLog entry to be in active voice, which I understand
to be more idiomatic in software engineering than the passive voice we
commonly observe in publications in the experimental sciences. --GBR]
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