3 files changed, 26 insertions, 9 deletions
diff --git a/Master/texmf-dist/source/generic/tex4ht/ChangeLog b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
index 1f5eb11e941..4dcd7145892 100644
--- a/Master/texmf-dist/source/generic/tex4ht/ChangeLog
+++ b/Master/texmf-dist/source/generic/tex4ht/ChangeLog
@@ -1,3 +1,8 @@
+2023-07-11  Michal Hoftich  <michal.h21@gmail.com>
+
+	* tex4ht-mathml.tex (mathml.4ht): fixed \tilde accent in MathML.
+	https://github.com/michal-h21/make4ht/issues/125
+
 2023-07-06  Michal Hoftich  <michal.h21@gmail.com>
 
 	* tex4ht-fonts-noncjk.tex (
diff --git a/Master/texmf-dist/source/generic/tex4ht/tex4ht-mathml.tex b/Master/texmf-dist/source/generic/tex4ht/tex4ht-mathml.tex
index a85b327f216..eb549a14294 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 1342 2023-06-16 21:46:57Z karl $$
+% $Id: tex4ht-mathml.tex 1347 2023-07-11 20:48:44Z michal_h21 $$
 % compile 3 times: latex tex4ht-mathltx
 %           or   xhlatex tex4ht-mathltx "html,3,sections+"
 %
@@ -783,11 +783,15 @@ We reserve code 254 (and 255) for unknown symbols.
 \:CheckOption{new-accents}     \if:Option \else
   \Configure{accent}\widetilde\widetilde{{}{}} 
   {}
-  {\HCode{<\a:mathml mover\Hnewline accent="false"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
+  {\HCode{<\a:mathml mover\Hnewline accent="true"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
     \:widetilde:over  \HCode{</\a:mathml mover>}}
+  \Configure{accent}\tilde\tilde{{}{}} 
+  {}
+  {\HCode{<\a:mathml mover\Hnewline accent="true"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
+    \:tilde:over  \HCode{</\a:mathml mover>}}
   \Configure{accent}\widehat\widehat{{}{}} 
   {}
-  {\HCode{<\a:mathml mover\Hnewline accent="false"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
+  {\HCode{<\a:mathml mover\Hnewline accent="true"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
     \:widehat:over  \HCode{</\a:mathml mover>}}
 \fi
 >>>
diff --git a/Master/texmf-dist/tex/generic/tex4ht/mathml.4ht b/Master/texmf-dist/tex/generic/tex4ht/mathml.4ht
index 66e1b4166c7..be52a1b91b6 100644
--- a/Master/texmf-dist/tex/generic/tex4ht/mathml.4ht
+++ b/Master/texmf-dist/tex/generic/tex4ht/mathml.4ht
@@ -1,4 +1,4 @@
-% mathml.4ht (2023-06-16-14:47), generated from tex4ht-mathml.tex
+% mathml.4ht (2023-07-11-13:50), generated from tex4ht-mathml.tex
 % Copyright 2009-2023 TeX Users Group
 % Copyright 1999-2009 Eitan M. Gurari
 %
@@ -17,7 +17,7 @@
 %
 % If you modify this program, changing the
 % version identification would be appreciated.
-\immediate\write-1{version 2023-06-16-14:47}
+\immediate\write-1{version 2023-07-11-13:50}
 
 \exit:ifnot{Preamble,% 
 accents,% 
@@ -836,11 +836,15 @@ accent="true">&\#x0332;</\a:mathml mo></\a:mathml munder>}%
 \:CheckOption{new-accents}     \if:Option \else
   \Configure{accent}\widetilde\widetilde{{}{}}
   {}
-  {\HCode{<\a:mathml mover\Hnewline accent="false"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
+  {\HCode{<\a:mathml mover\Hnewline accent="true"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
     \:widetilde:over  \HCode{</\a:mathml mover>}}
+  \Configure{accent}\tilde\tilde{{}{}}
+  {}
+  {\HCode{<\a:mathml mover\Hnewline accent="true"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
+    \:tilde:over  \HCode{</\a:mathml mover>}}
   \Configure{accent}\widehat\widehat{{}{}}
   {}
-  {\HCode{<\a:mathml mover\Hnewline accent="false"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
+  {\HCode{<\a:mathml mover\Hnewline accent="true"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
     \:widehat:over  \HCode{</\a:mathml mover>}}
 \fi
 \:CheckOption{new-accents}     \if:Option \else
@@ -2688,11 +2692,15 @@ accent="true">&\#x0332;</\a:mathml mo></\a:mathml munder>}%
 \:CheckOption{new-accents}     \if:Option \else
   \Configure{accent}\widetilde\widetilde{{}{}}
   {}
-  {\HCode{<\a:mathml mover\Hnewline accent="false"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
+  {\HCode{<\a:mathml mover\Hnewline accent="true"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
     \:widetilde:over  \HCode{</\a:mathml mover>}}
+  \Configure{accent}\tilde\tilde{{}{}}
+  {}
+  {\HCode{<\a:mathml mover\Hnewline accent="true"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
+    \:tilde:over  \HCode{</\a:mathml mover>}}
   \Configure{accent}\widehat\widehat{{}{}}
   {}
-  {\HCode{<\a:mathml mover\Hnewline accent="false"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
+  {\HCode{<\a:mathml mover\Hnewline accent="true"><\a:mathml mrow\Hnewline>}#2\HCode{</\a:mathml mrow>}%
     \:widehat:over  \HCode{</\a:mathml mover>}}
 \fi
 \:CheckOption{new-accents}     \if:Option \else