From 60abcf6b7c488fe58d3f60605be00b2f9199673f Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Sat, 9 Mar 2024 21:50:25 +0000
Subject: mhchem math mode, tex4ht r1489; siunix celsius fix, tex4ht r1490

git-svn-id: svn://tug.org/texlive/trunk@70542 c570f23f-e606-0410-a88d-b1316a301751
---
 Master/texmf-dist/source/generic/tex4ht/ChangeLog   |  7 +++++++
 .../source/generic/tex4ht/tex4ht-mathml.tex         | 21 ++++++++++++++++++---
 2 files changed, 25 insertions(+), 3 deletions(-)

(limited to 'Master/texmf-dist/source/generic/tex4ht')

diff --git a/Master/texmf-dist/source/generic/tex4ht/ChangeLog b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
index e7d69a72b71..0468420a6a7 100644
--- a/Master/texmf-dist/source/generic/tex4ht/ChangeLog
+++ b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
@@ -1,3 +1,10 @@
+2024-03-08  Michal Hoftich  <michal.h21@gmail.com>
+
+	* tex4ht-mathml.tex (mathml.4ht): fixed degree celsius with Siunitx.
+	
+	* tex4ht-mathml.tex (mathml.4ht): require math mode in Mhchem
+	sup-sub.
+
 2024-03-07  Michal Hoftich  <michal.h21@gmail.com>
 
 	* tex4ht-4ht.tex (graphics.4ht): added rule to read the .xbb file
diff --git a/Master/texmf-dist/source/generic/tex4ht/tex4ht-mathml.tex b/Master/texmf-dist/source/generic/tex4ht/tex4ht-mathml.tex
index 334af005199..89ea3749729 100644
--- a/Master/texmf-dist/source/generic/tex4ht/tex4ht-mathml.tex
+++ b/Master/texmf-dist/source/generic/tex4ht/tex4ht-mathml.tex
@@ -1,4 +1,4 @@
-% $Id: tex4ht-mathml.tex 1479 2024-02-29 16:07:34Z michal_h21 $$
+% $Id: tex4ht-mathml.tex 1490 2024-03-08 11:45:26Z michal_h21 $$
 % compile 3 times: latex tex4ht-mathltx
 %           or   xhlatex tex4ht-mathltx "html,3,sections+"
 %
@@ -5534,8 +5534,8 @@ with small  shifting.
 }{\:mhmathmlorhtml{\Tg</\a:mathml mrow>\TG</\a:mathml msup\Hnewline>}{\HCode{</sup>}}}
 
 
-\Configure{mhchemsupsub}{\setbox0=\hbox\bgroup}{\egroup\setbox1=\hbox\bgroup}{\egroup\HCode{<\a:mathml msubsup><\a:mathml mrow></\a:mathml mrow><\a:mathml mrow>}\box1\HCode{</\a:mathml mrow><\a:mathml mrow>}\box0\HCode{</\a:mathml mrow></\a:mathml msubsup>}}
-\Configure{mhchemisotope}{\setbox0=\hbox\bgroup}{\egroup\setbox1=\hbox\bgroup}{\egroup\HCode{<\a:mathml msubsup><\a:mathml mrow></\a:mathml mrow><\a:mathml mrow>}\box1\HCode{</\a:mathml mrow><\a:mathml mrow>}\box0\HCode{</\a:mathml mrow></\a:mathml msubsup>}}
+\Configure{mhchemsupsub}{\setbox0=\hbox\bgroup$}{$\egroup\setbox1=\hbox\bgroup$}{$\egroup\HCode{<\a:mathml msubsup><\a:mathml mrow></\a:mathml mrow><\a:mathml mrow>}\box1\HCode{</\a:mathml mrow><\a:mathml mrow>}\box0\HCode{</\a:mathml mrow></\a:mathml msubsup>}}
+\Configure{mhchemisotope}{\setbox0=\hbox\bgroup$}{$\egroup\setbox1=\hbox\bgroup$}{$\egroup\HCode{<\a:mathml msubsup><\a:mathml mrow></\a:mathml mrow><\a:mathml mrow>}\box1\HCode{</\a:mathml mrow><\a:mathml mrow>}\box0\HCode{</\a:mathml mrow></\a:mathml msubsup>}}
 
 
 
@@ -5646,6 +5646,21 @@ elements that are printed to support the munderover element easily.
 \NewConfigure{mhchemmathlarrow}{4}
 \Configure{mhchemmathlarrow}{\HCode{<\a:mathml munderover><\a:mathml mrow>}}{\HCode{</\a:mathml mrow><\a:mathml mpadded>}}{\HCode{</\a:mathml mpadded><\a:mathml mpadded>}}{\HCode{</\a:mathml mpadded></\a:mathml munderover>}}
 >>>
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\section{siunitx}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\<configure mathml siunitx\><<<
+% redefinitions of Expl 3 syntax commands
+\ExplSyntaxOn
+|<siunitx degree celsius|>
+\ExplSyntaxOff
+>>>
+
+\<siunitx degree celsius\><<<
+% this fixes circle in degree celsius not printed as superscript
+\siunitx_declare_unit:Ne \degreeCelsius { \HCode{<\a:mathml msup><\a:mathml mrow /><\a:mathml mi>&\#x2218;</\a:mathml mi></\a:mathml msup>} C }
+>>>
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \chapter{Notes}
-- 
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