chemmacros (24apr17)

git-svn-id: svn://tug.org/texlive/trunk@44023 c570f23f-e606-0410-a88d-b1316a301751

4 files changed, 427 insertions, 13 deletions

diff --git a/Master/texmf-dist/doc/latex/chemmacros/README b/Master/texmf-dist/doc/latex/chemmacros/README
index 9e7ca8c7fa8..186788ccf04 100644
--- a/Master/texmf-dist/doc/latex/chemmacros/README
+++ b/Master/texmf-dist/doc/latex/chemmacros/README
@@ -1,15 +1,14 @@
 --------------------------------------------------------------------------
-the CHEMMACROS package v5.7a 2016/06/08
+the CHEMMACROS package v5.8 2017/04/24
 
   comprehensive support for typesetting chemistry documents
 
 --------------------------------------------------------------------------
 Clemens Niederberger
 Web:    https://github.com/cgnieder/chemmacros/
-        http://www.mychemistry.eu/forums/forum/2430/
 E-Mail: contact@mychemistry.eu
 --------------------------------------------------------------------------
-Copyright 2011-2016 Clemens Niederberger
+Copyright 2011-2017 Clemens Niederberger
 
 This work may be distributed and/or modified under the
 conditions of the LaTeX Project Public License, either version 1.3
@@ -24,11 +23,41 @@ This work has the LPPL maintenance status `maintained'.
 The Current Maintainer of this work is Clemens Niederberger.
 --------------------------------------------------------------------------
 The chemmacros package consists of the following files
- - chemmacros.sty, chemmacros4.sty, chemmacros5.sty,
- - chemmacros_en.tex, chemmacros_en.pdf,
- - quite a number of module files following the naming scheme
-   chemmacros.module.*.code.tex
- - README
+ == STYLE FILES ==
+    chemmacros.sty
+    chemmacros4.sty
+    chemmacros5.sty,
+ == DOCUMENTATION FILES ==
+    chemmacros_en.tex
+    chemmacros_en.pdf,
+    README
+    chemmacros.history
+ == MODULE CODE FILES ==
+    chemmacros.module.acid.code.tex
+    chemmacros.module.all.code.tex
+    chemmacros.module.base.code.tex
+    chemmacros.module.charges.code.tex
+    chemmacros.module.chemformula.code.tex
+    chemmacros.module.errorcheck.code.tex
+    chemmacros.module.greek.code.tex
+    chemmacros.module.isotopes.code.tex
+    chemmacros.module.lang.code.tex
+    chemmacros.module.mechanisms.code.tex
+    chemmacros.module.newman.code.tex
+    chemmacros.module.nomenclature.code.tex
+    chemmacros.module.orbital.code.tex
+    chemmacros.module.particles.code.tex
+    chemmacros.module.phases.code.tex
+    chemmacros.module.polymers.code.tex
+    chemmacros.module.reactions.code.tex
+    chemmacros.module.redox.code.tex
+    chemmacros.module.scheme.code.tex
+    chemmacros.module.spectroscopy.code.tex
+    chemmacros.module.symbols.code.tex
+    chemmacros.module.thermodynamics.code.tex
+    chemmacros.module.tikz.code.tex
+    chemmacros.module.units.code.tex
+    chemmacros.module.xfrac.code.tex
 --------------------------------------------------------------------------
 If you have any ideas, questions, suggestions or bugs to report, please
 feel free to contact me.
diff --git a/Master/texmf-dist/doc/latex/chemmacros/chemmacros.history b/Master/texmf-dist/doc/latex/chemmacros/chemmacros.history
new file mode 100644
index 00000000000..ade71f33e6f
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/chemmacros/chemmacros.history
@@ -0,0 +1,366 @@
+--------------------------------------------------------------------------
+the CHEMMACROS package
+
+   comprehensive support for typesetting chemistry documents
+
+--------------------------------------------------------------------------
+Clemens Niederberger
+--------------------------------------------------------------------------
+https://github.org/cgnieder/chemmacros/
+contact@mychemistry.eu
+--------------------------------------------------------------------------
+If you have any ideas, questions, suggestions or bugs to report, please
+feel free to contact me.
+--------------------------------------------------------------------------
+Copyright 2011-2017 Clemens Niederberger
+
+This work may be distributed and/or modified under the
+conditions of the LaTeX Project Public License, either version 1.3
+of this license or (at your option) any later version.
+The latest version of this license is in
+  http://www.latex-project.org/lppl.txt
+and version 1.3 or later is part of all distributions of LaTeX
+version 2005/12/01 or later.
+
+This work has the LPPL maintenance status `maintained'.
+
+The Current Maintainer of this work is Clemens Niederberger.
+--------------------------------------------------------------------------
+Version history
+2011/05/15 - version 1.0  - CTAN release
+2011/06/22 - version 1.1  - "LaTeXified" whole package for safer usage
+                          - less user work required (like loading package
+                            after another)
+                          - more particle macros
+                          - latin phrases
+                          - extra units
+                          - acid/base commands
+                          - \mech
+                          - \NMR
+                          - \mhName, \setmhName, \newreaction, phases
+                          - \renewstate, \setstatesubscript
+                          - improved orbitals
+                          - simpler package options, option german, bpchem
+                          - bug fixes
+2011/10/28 - version 2.0  - rewritten in expl3
+                          - customization via \chemsetup
+                          - new commands \p, \fplus, \fminus, \fpch, \fmch,
+                            \fscrp, \fsrcm, \fdelp, \fdelm, \orbital, \chemsetup
+                          - various commands have a new syntax
+                          - removed: \setmhName, \setredoxdist,
+                            \setstatesubscript, \porb, \phorb, \pxorb, \pyorb,
+                            \pzorb, \setorbheight, \solid, \liquid
+                          - reaction environments work with hyperref and
+                            varioref
+2011/11/03 - version 2.0a - minor bug fixes
+                          - new feature for \Nu
+                          - new command \ba
+2012/01/28 - version 3.0  - bundled with packages `formula' and `ghs'
+                          - new commands \Ka, \Kb, \Kw
+                          - commands can detect if font series is bold
+                          - new package option "detect-bold"
+                          - new package option "method" => choose between
+                            `mhchem' and `formula' for internal uses.
+                          - new package option "ghs" => load `ghs' or don't
+                          - new package option "synchronize"
+                          - new package option "strict"
+                          - new command \iupac
+                          - new command \listofreactions, reaction environments
+                            with optional argument
+                          - \cis, \trans, \tert without \xspace
+2012/01/30 - version 3.0a - bugfix in formula.sty
+                          - renamed formula => chemformula
+                            and ghs => ghsystem to make the names unique
+                            (following a request by Karl Berry for TeXlive)
+2012/02/03 - version 3.0b - new command \DeclareChemParticle, updated
+                            documentation
+2012/02/05 - version 3.0c - renamed pictogram files (following a request by
+                            Karl Berry for TeXlive)
+                          - new package option "Nu"
+2012/02/10 - version 3.0d - several bugfixes in chemformula
+                          - bugfixes with \DeclareChemParticle
+                          - new command \RenewChemParticle
+                          - new option phases / pos
+                          - new commands \DeclareChemPhase, \RenewChemPhase,
+                            \phase
+                          - changed default behaviour of phases
+                          - removed optional argument from \sld and \lqd
+                          - new arrow type <>
+2012/02/19 - version 3.1  - new commands \DeclareChemIUPAC and \RenewChemIUPAC
+                          - new option "option/iupac"
+                          - deprecated option: "option/EZ"
+                          - deprecated commands:
+                            \newreaction => \DeclareChemReaction
+                            \setnewstate => \DeclareChemState
+                            \renewstate  => \RenewChemState
+                            \Rcip        => \R
+                            \Scip        => \S
+                            \Dfi         => \D
+                            \Lfi         => \L
+                          - new arrow types -/>, </- and <o>
+                          - new commands \DeclareChemArrow, \RenewChemArrow and
+                            \ShowChemArrow
+2012/02/26 - version 3.1a - "operator" p rewritten to follow IUPAC
+                            recommendations
+                          - new option "acid-base/p-style"
+                          - deprecated option: "option/detect-bold"
+2012/03/03 - version 3.1b - arrow types are stored in a sequence to automate the
+                            search and replace in the right order 
+                          - new arrow type ==                                   
+                          - IUPAC compliance for stoichiometric factors
+                          - new handling of super- and subscripts to correct
+                            various flaws: clear distinction between isotope and
+                            formula
+                          - new option charge-vshift
+                          - IUPAC compliance for \Delta and \ox
+2012/03/14 - version 3.1c - compatibility with KOMA's global option
+                            "version = <value>"
+                          - bugfix in the list of reactions
+                          - improved arrow labels
+2012/03/20 - version 3.2  - new: option input via @{<options>}
+                          - improved list of reactions: resetting the "reaction"
+                            counter now doesn't cause errors any more
+                          - \AddRxnDesc added which allows to add descriptions
+                            to each reaction in the "reactions" environment
+2012/05/07 - version 3.3  - new environment `experimental' that allows some
+                            formatting for the for displaying of measurement
+                            results
+                          - more greek letters for the \iupac command
+                          - \ch now bypasses \ref{}, \label{}, and \intertext{}
+                          - small adjustments of the iupac commands \| and \-
+                          - bug fix: option `upgreek' is now working and was
+                            renamed to `greek'
+                          - proper language support
+2012/05/13 - version 3.3a - Italian translations of the H, EUH and P statements
+                          - \hapto and \bridge
+2012/05/18 - version 3.3b - compatibility with MiKTeX
+2012/05/18 - version 3.3c - fix in the `ghsystem/language' option
+2012/07/24 - version 3.3d - additional picture file type `pdf'
+                          - default bond length set to 1.1667ex
+                          - bug fix in the bonds
+                          - added kerning to cip commands, new option
+                            `iupac/cip-kern'
+                          - bug fix: messages needed to be defined before the
+                            options
+2012/08/21 - version 3.3e - new option ox/align=center|right
+                          - a new option to \NMR and to \J
+2012/09/11 - version 3.4  - cleaned a little, minor bug fixes
+                          - switched to internal scratch variables
+                          - new command \bond, more bond types
+                          - new commands \DeclareChemBond, \DeclareChemBondAlias,
+                            \RenewChemBond and \ShowChemBond
+                          - radical point thicker, new options `radical-style'
+                            and `radical-radius'
+2012/10/03 - version 3.4a - bug fix in coupling constant \J
+2013/01/04 - version 3.4b - bug fix in the sub- and superscript handling
+2013/01/28 - version 3.5  - disallow breaks at bonds
+                          - allow breaks after arrows
+                          - made some spaces in chemformulas stretch- and
+                            shrinkable
+                          - various internal code improvements
+                          - changed defaults for horizontal spaces that have in
+                            set in ex into corresponding values in em.
+                          - improvements to the placement of sub- and superscripts
+2013/02/19 - version 3.5a - bug fix: `ghsystem' recognizes language again
+2013/02/26 - version 3.6  - support for use with the `breqn' package
+                          - chemformula: math escaping also via \(\)
+                          - chemformula internal: clearer escaping macros
+                          - new options: `radical-vshift', `radical-hshift'
+                            and `radical-space'
+                          - bug fix: `radical-...' options are now correctly set
+                          - stoichiometric factors: add leading 0 if missing
+                          - new option: `stoich-paren-parse'
+                          - internal changes: be way more rigid about protected
+                            and expandable macros
+                          - internal changes: clearer distinction between
+                            private macros and accessable module macros
+                          - internal changes: clearer distinction between
+                            document commands and module level commands
+                          - chemformula's !()() syntax now also works with babel's
+                            French
+2013/02/27 - version 3.6a - bug fix: escaped text and math stays escaped, i.e.
+                            also arrow code like `<=>'
+2013/04/19 - version 3.6b - chemformula: new key `arrow-min-length'
+                          - bug fix: stoichiometric fractions correctly displayed
+                          - changed appearance of \cip to use upright parentheses
+2013/07/06 - version 4.0  - `chemformula' doesn't automatically load
+                            `chemmacros' any more but can be used stand-alone
+                          - option `bpchem' has been dropped
+                          - improved detection of bold font series
+                          - changed wrongly used \mbox in definition of \Ka,
+                            \Kb and \Kw into \ensuremath
+                          - adapt \mch and \pch to match `chemformula's
+                            charges
+                          - dropped option `method=mhchem'
+                          - support for `kpfonts' and `newtxmath' upright
+                            greek letters added, greek alphabet complete both
+                            for uppercase and lowercase; this is handled by
+                            the new package in the family: `chemgreek'
+                          - \OX and \redox now work in `amsmath's environment
+                            by ignoring the measuring phase
+                          - language management with the help of the
+                            `translations' package =>
+                            recognize document language automatically and use
+                            it if it a) is known to `chemmacros' and b) has
+                            not been overwritten by the `language' option;
+                            this also made minor changes to `ghsystem'
+                            necessary; additionally this lead to changes in
+                            the way phases are defined
+                          - status of \Dfi and \Lfi changed from `deprecated'
+                            to `dropped'
+                          - new option `charges/partial-format'
+                          - fixed wrongly written contents to the lor when
+                            used together with `hyperref'
+                          - new option `reaction/list-heading'
+                          - option `charges/append' deprecated
+2013/08/07 - version 4.0a - extra pair of braces in definition of
+                            \standardstate
+                          - added missing \exp_not:n to the definitions of
+                            \chemmacros_declare_phase:Nn and kin
+2013/08/24 - version 4.1  - changed `0' values in TikZ coordinates into `0pt'
+                            see http://tex.stackexchange.com/q/128792/5049 and
+                            http://tex.stackexchange.com/q/118467/5049 for
+                            reference
+2013/10/28 - version 4.2  - changed particles with electron pairs to use
+                            \chlewis
+                          - changed \Delta in thermodynamic state variables
+                            into \ChemDelta for IUPAC compliance and defined
+                            it as an operator
+                          - change in the syntax of \DeclareChemState and
+                            \RenewChemState and improved both internal
+                            definition and user interface
+2013/10/31 - version 4.2a - bug bix in \hapto and \bridge
+2013/11/04 - version 4.2b - new IUPAC commands: \fac/\mer
+2013/11/20 - version 4.2c - step bundle version due to changes in `chemgreek'
+2013/12/15 - version 4.2d - small changes to the translating mechansim which
+                            now seems to be more logical: `language=auto'
+                            detects the current `babel' language and
+                            `language=<lang>' overwrites to the chosen
+                            language
+                          - new options `acid-base/K-acid', `acid-base/K-base'
+                            and `acid-base/K-water'
+                          - adapt \ox to updates in `l3fp'
+2014/01/09 - version 4.2e - step bundle version due to changes in `ghsystem'
+2014/01/24 - version 4.3  - \NewChemIUPAC, \LetChemIUPAC
+                          - \NewChemParticle
+                          - \NewChemNMR
+                          - \NewChemPhase
+                          - \NewChemReaction, \RenewChemReaction
+                          - \NewChemState
+                          - added macro names with more meaningfule names to
+                            each of the one-letter name commands
+                          - changed behaviour of \DeclareChem to match
+                            \DeclareRobustCommand, i.e., no check if command
+                            is defined; added a \NewChem variant to each that
+                            /does/ check; use \NewChem instead of \DeclareChem
+                            for definitions
+                          - new iupac command \dento
+                          - new option choice `nmr/pos=super'
+                          - bug fix in appearance of coupling nuclei
+                          - new possibilities for formatting the output of the
+                            NMR coupling constants output with \J:
+                            `coupling-pos=side/sub', `coupling-nuclei-pre',
+                            coupling-nuclei-post', `coupling-bonds-pre',
+                            coupling-bonds-post', `coupling-symbol'
+                          - internal changes to the greek letter mapping
+                            selection mechanism
+                          - deprecate package option `strict'
+                          - deprecate package option `cmversion': also all
+                            backwards compatibility for version 1 has been
+                            dropped
+                          - drop command \mhName
+2014/01/29 - version 4.4  - bug fix in the display of the coupling constant
+                          - bug fix in phase definitions (need to adapt to
+                            changes in `translations'
+                          - new option `nmr/atom-number-cs'
+                          - new option `nmr/coupling-pos-cs'
+2014/04/08 - version 4.5  - new option `acid-base/subscript'
+                          - added Dutch translations
+2014/06/30 - version 4.5a - adapt to deprecated expl3 functions
+2014/08/08 - version 4.6  - from bundle to packages: packages `chemformula',
+                            `ghsystem' and `chemgreek' no longer belong to the
+                            bundle but now are packages of their own.
+2015/02/08 - version 4.7  - fix \iupac so active letters like | still work
+                            inside other macros (\section, ...)
+                          - Change the default subscripts of the equilibrium
+                            constants to match the usage in the IUPAC Green
+                            Book
+                          - allow \NewChemPhase and friends after \begin{document}
+                          - new optional argument to phase commands
+                          - new options `nmr/method' and `nmr/connector'
+2015/09/11 - version 5.0  - the former chemmacros.sty is now chemmacros4.sty
+                            and can be loaded through the `compatibility'
+                            option
+                          - chemmacros is now organized in separate modules
+                            which either are preloaded or can be loaded by the
+                            user with \usechemmodule
+                          - various changes, see
+                            http://www.mychemistry.eu/2015/06/chemmacros-development/
+                            and the manual section 3.4. Upgrading from version < 5.0
+                            for details
+2015/09/23 - version 5.1  - add option `method' to `chemformula' module
+                          - make module `scheme' compatible with `floatrow'
+                          - add module hooks `before' and `after'
+2015/10/14 - version 5.2  - warn if compatibility version requested is higher
+                            than the current version number
+                          - enable to specify a minimal compatibility version
+                            for a module
+                          - add info message to `all' module
+                          - add values `newest' and `latest' to the
+                            compatibility option
+                          - check for mhchem and chemformula and choose the
+                            formula method accordingly
+                          - fixes in the module hook mechanism
+                          - fix in \chemmacros_if_module_loaded:n
+                          - new internal module `errorcheck'
+2016/01/13 - version 5.3  - removed options `german' and `ngerman' (lang)
+                          - remove deprecated pre-v5 macros (several modules)
+                          - new option `atom-number-space' (spectroscopy)
+                          - add \chemprime and ' shorthand (nomenclature)
+                          - new option `space' (particles)
+                          - TikZ decoration `wave' (tikz)
+2016/01/23 - version 5.3a - compatibility with chemscheme package (scheme)
+                          - IUPAC shorthands only defined within \iupac (nomenclature)
+2016/02/10 - version 5.4  - \NewChemEqConstant and family, new option
+                            `eq-constant' (acid-base)
+                          - added \ignorespacesafterend to environments
+                            (reactions)
+                          - fixed erroneous definition of \NewChemMacroset
+                            (base)
+                          - new option `explicit-zero-sign' (redox)
+2016/03/08 - version 5.5  - new module `polymers'
+2016/05/02 - version 5.6  - generalization of the formula method concept, new
+                            methods `chemist' and `chemfig' (chemformula)
+                          - use `tocbasic' for the list of reactions if
+                            available (reactions)
+                          - fix reaction environments to obey \thereaction
+                            (reactions)
+                          - add cleveref and fancyref support (reactions)
+                          - add cleveref and fancyref support (scheme)
+                          - \DeclareChemTranslation and
+                            \DeclareChemTranslations 
+                          - moved translations from lang module to the
+                            corresponding modules they belong to
+2016/05/04 - version 5.6a - fix small but annoying bugs (base and chemformula)
+2016/06/07 - version 5.7  - \iupac gets an optional argument for setting
+                            options (nomenclature)
+                          - \latin always defined by chemmacros (nomenclature)
+                          - fix conflict with `achemso' (nomenclature)
+                          - allow `chemscheme'/`chemstyle' to be loaded after
+                            chemmacros (errorcheck)
+                          - translation keys get internal prefix (translations)
+2016/06/08 - version 5.7a - rename functions which erroneously were assigned
+                            to the `chemformula' module
+                          - correct wrong dates in module files
+2016/10/05 - version 5.7b - small improvement of the errorcheck module
+2016/12/28 - version 5.7c - bug fix: typo in \chemmacros_tex_if:nnTF usage
+                            (scheme)
+2017/04/17 - version 5.8  - new option `nmr-base-format' (spectroscopy)
+                          - change \hapto and \dento to follow iupacs rules
+                            according to IUPAC Red Book 2005. IR-10.2.5.2 The
+                            eta convention (p.216) and IR-9.2.4.2 The
+                            kappa convention (p.155f) (nomenclature)
+                          - fix error in \chemmacros_allow_hyphens: definition
+                            (nomenclature)
+                          - new options `cip-inner-format', `cip-outer-format'
+                            and `cip-number-format' (nomenclature)
diff --git a/Master/texmf-dist/doc/latex/chemmacros/chemmacros_en.pdf b/Master/texmf-dist/doc/latex/chemmacros/chemmacros_en.pdf
index 4e116ed08e5..9a8d6932576 100644
--- a/Master/texmf-dist/doc/latex/chemmacros/chemmacros_en.pdf
+++ b/Master/texmf-dist/doc/latex/chemmacros/chemmacros_en.pdf
diff --git a/Master/texmf-dist/doc/latex/chemmacros/chemmacros_en.tex b/Master/texmf-dist/doc/latex/chemmacros/chemmacros_en.tex
index fc0f9b9e606..b806c2190a3 100644
--- a/Master/texmf-dist/doc/latex/chemmacros/chemmacros_en.tex
+++ b/Master/texmf-dist/doc/latex/chemmacros/chemmacros_en.tex
@@ -11,13 +11,12 @@
 % Clemens Niederberger
 % --------------------------------------------------------------------------
 % https://github.com/cgnieder/chemmacros/
-% http://www.mychemistry.eu/forums/forum/chemmacros/
 % contact@mychemistry.eu
 % --------------------------------------------------------------------------
 % If you have any ideas, questions, suggestions or bugs to report, please
 % feel free to contact me.
 % --------------------------------------------------------------------------
-% Copyright 2011-2016 Clemens Niederberger
+% Copyright 2011-2017 Clemens Niederberger
 %
 % This work may be distributed and/or modified under the
 % conditions of the LaTeX Project Public License, either version 1.3
@@ -37,7 +36,7 @@
 \setcnltx{
   package  = {chemmacros},
   info     = {comprehensive support for typesetting chemistry documents},
-  url      = http://www.mychemistry.eu/forums/forum/chemmacros/ ,
+  url      = https://github.com/cgnieder/chemmacros ,
   authors  = Clemens Niederberger ,
   email    = contact@mychemistry.eu ,
   abstract = {%
@@ -434,6 +433,8 @@
 
 \AtBeginDocument{\renewcommand*\reftextfaraway[1]{starting on page~\pageref{#1}}}
 
+\usepackage{bookmark}
+
 \begin{document}
 
 \part{Preliminaries}
@@ -679,7 +680,7 @@ For future versions the aim is not to make such breaking changes again.  While
 we never know what the future actually will bring \chemmacros\ now has the
 tools for tying code to a version number:
 \begin{commands}
-  \expandable\explcommand{chemmacros_if_compatiblity:nn}[\TF\ \marg{comp}
+  \expandable\explcommand{chemmacros_if_compatibility:nn}[\TF\ \marg{comp}
   \marg{num} \marg{true} \marg{false}]
     expl3 version of \cs{IfChemCompatibilityTF}.
 \end{commands}
@@ -1186,6 +1187,19 @@ be changed through the following option:
   \keyval{cip-kern}{dim}\Module{nomenclature}\Default{.075em}
     Set the amount of kerning after the closing parenthesis.
 \end{options}
+The entries typeset by and implemented with \cs{cip} can be customized
+further:
+\begin{options}
+  \keyval{cip-outer-format}{format}\Default{\cs*{upshape}}
+    \sinceversion{5.8}The format of parentheses and commas typeset by
+    \cs{cip}.
+  \keyval{cip-inner-format}{format}\Default{\cs*{itshape}}
+    \sinceversion{5.8}The format of the entries in \cs{cip}.  This format
+    works additive to the outer format.
+  \keyval{cip-number-format}{format}\Default{\cs*{itshape}}
+    \sinceversion{5.8}The format of numbers in \cs{cip}.  This format works
+    additive to the outer format and is applied to arabic figures only.
+\end{options}
 
 \paragraph{Fischer}
 \begin{commands}
@@ -1253,9 +1267,12 @@ Two options allow customization:
     Appends the number as a subscript or superscript, depending on the choice.
     The \ac{iupac} recommendation is the subscript~\cite{iupac:redbook}.
   \keybool{coord-use-hyphen}\Module{nomenclature}\Default{true}
-    Append a hyphen to \cs{hapto}, \cs{dent} and \cs{bridge} or don't.
+    Append a hyphen to \cs{hapto}, \cs{dento} and \cs{bridge} or don't.
 \end{options}
 
+The default behaviour\sinceversion{5.8} of \cs{hapto} and \cs{dento} has
+changed with version~5.8 to follow \ac{iupac} recommendations.
+
 \paragraph{Examples}
 \begin{example}
   \iupac{\dexter-Wein|s\"aure} =
@@ -2960,6 +2977,8 @@ number of options.  For historical reasons they all belong to the module
     The measuring method.
   \keyval{format}{commands}\Module{spectroscopy}\Default
     For example \cs*{bfseries}.
+  \keyval{nmr-base-format}{commands}\Module{spectroscopy}\Default
+    \sinceversion{5.8}Formatting instructions for the NMR base.
   \keychoice{pos-number}{side,sub,super}\Module{spectroscopy}\Default{side}
     Position of the number next to the atom.
   \keyval{coupling-symbol}{code}\Module{spectroscopy}\Default{J}