[latex3-commits] [git/LaTeX3-latex3-latex2e] gh005: fix for #5 (documentation not yet done) (bc76c0b8)
Frank Mittelbach
frank.mittelbach at latex-project.org
Tue Mar 10 19:00:51 CET 2020
Repository : https://github.com/latex3/latex2e
On branch : gh005
Link : https://github.com/latex3/latex2e/commit/bc76c0b8f5750e6efaa6a14d25781802640e2623
>---------------------------------------------------------------
commit bc76c0b8f5750e6efaa6a14d25781802640e2623
Author: Frank Mittelbach <frank.mittelbach at latex-project.org>
Date: Tue Mar 10 19:00:51 2020 +0100
fix for #5 (documentation not yet done)
>---------------------------------------------------------------
bc76c0b8f5750e6efaa6a14d25781802640e2623
required/amsmath/amsmath.dtx | 38 +-
.../testfiles/github-amsmath-0005.luatex.tlg | 450 +++++++++++++++++++++
required/amsmath/testfiles/github-amsmath-0005.lvt | 51 +++
required/amsmath/testfiles/github-amsmath-0005.tlg | 425 +++++++++++++++++++
4 files changed, 961 insertions(+), 3 deletions(-)
diff --git a/required/amsmath/amsmath.dtx b/required/amsmath/amsmath.dtx
index fdd83a90..a5b94dae 100644
--- a/required/amsmath/amsmath.dtx
+++ b/required/amsmath/amsmath.dtx
@@ -86,7 +86,7 @@ Bug reports can be opened (category \texttt{#1}) at\\%
% \end{macrocode}
%
% \begin{macrocode}
-\ProvidesPackage{amsmath}[2020/02/20 v2.17f AMS math features]
+\ProvidesPackage{amsmath}[2020/03/10 v2.17g AMS math features]
% \end{macrocode}
%
% \section{Catcode defenses}
@@ -3656,6 +3656,26 @@ and fix things up.}
% \end{macrocode}
% \end{macro}
%
+%
+
+% \begin{macro}{}
+%
+% \changes{v2.17g}{2020/03/10}{Explicity test for b/t/c and return
+% optional argument is different (gh/5)}
+% \begin{macrocode}
+\def\ams at start@box#1{%
+ \edef\reserved at a{\csname ams at pos@\detokenize{#1}\endcsname}%
+ \expandafter\ifx\reserved at a\relax
+ \def\ams at return@opt at arg{[#1]}\vcenter
+ \else
+ \let\ams at return@opt at arg\@empty\reserved at a \fi
+}
+\def\ams at pos@t{\vtop}
+\def\ams at pos@b{\vbox}
+\def\ams at pos@c{\vcenter}
+% \end{macrocode}
+% \end{macro}
+%
% \begin{macro}{\start at aligned}
% The \env{aligned} and \env{alignedat} environments are identical
% except that the latter takes a mandatory argument to specify the
@@ -3680,7 +3700,7 @@ and fix things up.}
% to the margin.
% \begin{macrocode}
\alignedspace at left
- \if #1t\vtop \else \if#1b \vbox \else \vcenter \fi \fi \bgroup
+ \ams at start@box{#1}\bgroup
\maxfields@#2\relax
\ifnum\maxfields@>\m at ne
\multiply\maxfields@\tw@
@@ -3723,6 +3743,12 @@ and fix things up.}
\hfil
\tabskip\alignsep@
\crcr
+% \end{macrocode}
+%
+% \changes{v2.17g}{2020/03/10}{Explicity test for b/t/c and return
+% optional argument is different (gh/5)}
+% \begin{macrocode}
+ \ams at return@opt at arg
}
% \end{macrocode}
% \end{macro}
@@ -3807,12 +3833,18 @@ and fix things up.}
\nonmatherr@{\begin{gathered}}%
\fi
\alignedspace at left
- \if #1t\vtop \else \if#1b\vbox \else \vcenter \fi\fi \bgroup
+ \ams at start@box{#1}\bgroup
\Let@ \chardef\dspbrk at context\@ne \restore at math@cr
\spread at equation
\ialign\bgroup
\hfil\strut@$\m at th\displaystyle##$\hfil
\crcr
+% \end{macrocode}
+%
+% \changes{v2.17g}{2020/03/10}{Explicity test for b/t/c and return
+% optional argument is different (gh/5)}
+% \begin{macrocode}
+ \ams at return@opt at arg
}{%
\endaligned
}
diff --git a/required/amsmath/testfiles/github-amsmath-0005.luatex.tlg b/required/amsmath/testfiles/github-amsmath-0005.luatex.tlg
new file mode 100644
index 00000000..2e34afe7
--- /dev/null
+++ b/required/amsmath/testfiles/github-amsmath-0005.luatex.tlg
@@ -0,0 +1,450 @@
+This is a generated file for the LaTeX2e validation system.
+Don't change this file in any respect.
+! LaTeX Error: \begin{aligned} on input line ... ended by \end{gathered}.
+See the LaTeX manual or LaTeX Companion for explanation.
+Type H <return> for immediate help.
+ ...
+l. ...\end{gathered}
+Your command was ignored.
+Type I <command> <return> to replace it with another command,
+or <return> to continue without it.
+! LaTeX Error: \begin{aligned} on input line ... ended by \end{gathered}.
+See the LaTeX manual or LaTeX Companion for explanation.
+Type H <return> for immediate help.
+ ...
+l. ...\end{gathered}
+Your command was ignored.
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diff --git a/required/amsmath/testfiles/github-amsmath-0005.lvt b/required/amsmath/testfiles/github-amsmath-0005.lvt
new file mode 100644
index 00000000..5d11a2ae
--- /dev/null
+++ b/required/amsmath/testfiles/github-amsmath-0005.lvt
@@ -0,0 +1,51 @@
+\documentclass{article}
+
+\usepackage{amsmath}
+
+\input{test2e}
+
+\showoutput
+
+\begin{document}
+
+\START
+
+\[
+\begin{gathered}[t] X \\ X \end{gathered}
+\begin{gathered}[c] Y \\ Y\end{gathered}
+\begin{aligned}[b] Z \\ Z \end{aligned}
+\]
+
+\[
+\begin{gathered}
+[p] = 100 \\
+[v] = 200
+\end{gathered}
+\]
+
+Equally bad:
+\[
+\begin{gathered}
+[aa] = 100 \\ % read as "t"
+[v] = 200
+\end{gathered}
+\]
+
+
+\[
+\begin{aligned}
+[p] = 100 \\
+[v] = 200
+\end{gathered}
+\]
+
+Equally bad:
+\[
+\begin{aligned}
+[aa] = 100 \\ % read as "t"
+[v] = 200
+\end{gathered}
+\]
+
+\end{document}
+
diff --git a/required/amsmath/testfiles/github-amsmath-0005.tlg b/required/amsmath/testfiles/github-amsmath-0005.tlg
new file mode 100644
index 00000000..dc84acef
--- /dev/null
+++ b/required/amsmath/testfiles/github-amsmath-0005.tlg
@@ -0,0 +1,425 @@
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+Don't change this file in any respect.
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+Type H <return> for immediate help.
+ ...
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+Your command was ignored.
+Type I <command> <return> to replace it with another command,
+or <return> to continue without it.
+! LaTeX Error: \begin{aligned} on input line ... ended by \end{gathered}.
+See the LaTeX manual or LaTeX Companion for explanation.
+Type H <return> for immediate help.
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+Your command was ignored.
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