CTAN sync 202201010300

5 files changed, 51 insertions, 44 deletions

diff --git a/macros/latex/required/babel/base/README.md b/macros/latex/required/babel/base/README.md
index 80910639b8..5702c7132b 100644
--- a/macros/latex/required/babel/base/README.md
+++ b/macros/latex/required/babel/base/README.md
@@ -1,4 +1,4 @@
-## Babel 3.68
+## Babel 3.69
 
 This package manages culturally-determined typographical (and other)
 rules, and hyphenation patterns for a wide range of languages. Many
@@ -8,9 +8,9 @@ is a set of ini files for about 250 languages.
 
 The latest stable version is available on <https://ctan.org/pkg/babel>.
 
-Changes in version 3.68 are described in:
+Changes in version 3.69 are described in:
 
-https://latex3.github.io/babel/news/whats-new-in-babel-3.68.html
+https://latex3.github.io/babel/news/whats-new-in-babel-3.69.html
 
 Apart from the manual, you can find information on some aspects of babel at:
 
@@ -46,6 +46,10 @@ respective authors.
 
 ### Summary of Latest changes
 ```
+3.69   2021-12-30
+       * Fixes a severe bug with amsmath and mathtools introduced in
+         3.68 (#162).
+
 3.68   2021-12-28
        * Fixes:
          - Assamese, Bengali, Gujarati set incorrectly prehyphenchar.
diff --git a/macros/latex/required/babel/base/babel.dtx b/macros/latex/required/babel/base/babel.dtx
index 1c08c96668..47e8df74c5 100644
--- a/macros/latex/required/babel/base/babel.dtx
+++ b/macros/latex/required/babel/base/babel.dtx
@@ -32,7 +32,7 @@
 %
 % \iffalse
 %<*filedriver>
-\ProvidesFile{babel.dtx}[2021/12/28 v3.68 The Babel package]
+\ProvidesFile{babel.dtx}[2021/12/30 v3.69 The Babel package]
 \documentclass{ltxdoc}
 \GetFileInfo{babel.dtx}
 \usepackage{fontspec}
@@ -4926,12 +4926,13 @@ Its natural place of use is in hooks or in |\extras|\m{language}.
 
 \subsection{Changes in \babel\ version 3.9}
 
-Most of the changes in version 3.9 were related to bugs, either to fix them
-(there were lots), or to provide some alternatives. Even new features
-like |\babelhyphen| are intended to solve a certain problem (in this
-case, the lacking of a uniform syntax and behavior for shorthands
-across languages). These changes are described in this manual in the
-corresponding place. A selective list follows:
+Most of the changes in version 3.9 were related to bugs, either to fix
+them (there were lots), or to provide some alternatives. Even new
+features like |\babelhyphen| are intended to solve a certain problem
+(in this case, the lacking of a uniform syntax and behavior for
+shorthands across languages). These changes, as well as the subsequent
+ones ($\ge$3.10), are described in this manual in the corresponding
+place. A selective list of the changes in 3.9 follows:
 \begin{itemize}
 \item |\select@language| did not set |\languagename|. This meant the
   language in force when auxiliary files were loaded was the one used
@@ -5118,8 +5119,8 @@ help from Bernd Raichle, for which I am grateful.
 % \section{Tools}
 %
 %    \begin{macrocode}
-%<<version=3.68>>
-%<<date=2021/12/28>>
+%<<version=3.69>>
+%<<date=2021/12/30>>
 %    \end{macrocode}
 %
 % \textbf{Do not use the following macros in \texttt{ldf} files. They
@@ -14514,36 +14515,38 @@ end
 %
 %    \begin{macrocode}
 \bbl@trace{Redefinitions for bidi layout}
-\AtBeginDocument{% amsmath
-  \ifx\place@tag\@undefined\else
-    \bbl@sreplace\place@tag{\llap}{\bbl@truellap}%
-    \bbl@sreplace\place@tag@gather{\llap}{\bbl@truellap}%
-    \bbl@sreplace\place@tag{\rlap}{\bbl@truerlap}%
-    \bbl@sreplace\place@tag@gather{\rlap}{\bbl@truerlap}%
-  \fi}
-\ifx\AddToHook\@undefined\else
-  \AddToHook{env/equation/before}{\pardir TLT }{}
-\fi
-\ifx\@eqnnum\@undefined\else
-  \ifx\bbl@attr@dir\@undefined\else
-    \bbl@xin@{,leqno,}{,\@classoptionslist,}%
-    \ifin@
-      \bbl@sreplace\@eqnnum{\rlap}{\bbl@leqno@aux}
-      \def\bbl@leqno@aux#1{%
-        \bbl@truerlap{%
-          \ifcase\bbl@attr@dir
-            #1%
-          \else
-            \bbl@textdir\@ne
-            #1%
-            \hskip-\displaywidth
-          \fi}}
-    \else
-      \bbl@exp{%
-        \def\\\@eqnnum{{%
-          \<ifcase>\\\bbl@attr@dir\<else>\\\bbl@textdir\@ne\<fi>%
-          \\\bbl@ifsamestring{\\\@currenvir}{equation}%
-             {}{\\\bbl@truellap}{\[@eqnnum]}}}}
+\ifnum\bbl@bidimode>\z@
+  \AtBeginDocument{% amsmath
+    \ifx\place@tag\@undefined\else
+      \bbl@sreplace\place@tag{\llap}{\bbl@truellap}%
+      \bbl@sreplace\place@tag@gather{\llap}{\bbl@truellap}%
+      \bbl@sreplace\place@tag{\rlap}{\bbl@truerlap}%
+      \bbl@sreplace\place@tag@gather{\rlap}{\bbl@truerlap}%
+    \fi}
+  \ifx\AddToHook\@undefined\else
+    \AddToHook{env/equation/before}{\pardir TLT }{}
+  \fi
+  \ifx\@eqnnum\@undefined\else
+    \ifx\bbl@attr@dir\@undefined\else
+      \bbl@xin@{,leqno,}{,\@classoptionslist,}%
+      \ifin@
+        \bbl@sreplace\@eqnnum{\rlap}{\bbl@leqno@aux}
+        \def\bbl@leqno@aux#1{%
+          \bbl@truerlap{%
+            \ifcase\bbl@attr@dir
+              #1%
+            \else
+              \bbl@textdir\@ne
+              #1%
+              \hskip-\displaywidth
+            \fi}}
+      \else
+        \bbl@exp{%
+          \def\\\@eqnnum{{%
+            \<ifcase>\\\bbl@attr@dir\<else>\\\bbl@textdir\@ne\<fi>%
+            \\\bbl@ifsamestring{\\\@currenvir}{equation}%
+               {}{\\\bbl@truellap}{\[@eqnnum]}}}}
+      \fi
     \fi
   \fi
 \fi
diff --git a/macros/latex/required/babel/base/babel.ins b/macros/latex/required/babel/base/babel.ins
index b9267340a3..16bde4384e 100644
--- a/macros/latex/required/babel/base/babel.ins
+++ b/macros/latex/required/babel/base/babel.ins
@@ -26,7 +26,7 @@
 %% and covered by LPPL is defined by the unpacking scripts (with
 %% extension .ins) which are part of the distribution.
 %%
-\def\filedate{2021/12/28}
+\def\filedate{2021/12/30}
 \def\batchfile{babel.ins}
 \input docstrip.tex
 
diff --git a/macros/latex/required/babel/base/babel.pdf b/macros/latex/required/babel/base/babel.pdf
index 3584ad17d6..fe1d580f2e 100644
--- a/macros/latex/required/babel/base/babel.pdf
+++ b/macros/latex/required/babel/base/babel.pdf
diff --git a/macros/latex/required/babel/base/bbcompat.dtx b/macros/latex/required/babel/base/bbcompat.dtx
index b80d81c7cc..ed07287c37 100644
--- a/macros/latex/required/babel/base/bbcompat.dtx
+++ b/macros/latex/required/babel/base/bbcompat.dtx
@@ -30,7 +30,7 @@
 %
 % \iffalse
 %<*dtx>
-\ProvidesFile{bbcompat.dtx}[2021/12/28 v3.68]
+\ProvidesFile{bbcompat.dtx}[2021/12/30 v3.69]
 %</dtx>
 %
 %% File 'bbcompat.dtx'