[latex3-commits] [git/LaTeX3-latex3-latex2e] gh005: and we accept an empty [] as an alternative to the default [c] for #5 (c2b6e725)

Frank Mittelbach frank.mittelbach at latex-project.org
Tue Mar 17 00:06:14 CET 2020 

Repository : https://github.com/latex3/latex2e
On branch  : gh005
Link       : https://github.com/latex3/latex2e/commit/c2b6e725b04c5cfa9cf4ea9a290ea2ca89ff0852

>---------------------------------------------------------------

commit c2b6e725b04c5cfa9cf4ea9a290ea2ca89ff0852
Author: Frank Mittelbach <frank.mittelbach at latex-project.org>
Date:   Tue Mar 17 00:06:14 2020 +0100

    and we accept an empty [] as an alternative to the default [c] for #5


>---------------------------------------------------------------

c2b6e725b04c5cfa9cf4ea9a290ea2ca89ff0852
 required/amsmath/amsmath.dtx                       |  7 ++++-
 .../testfiles/github-amsmath-0005.luatex.tlg       | 36 +++++++++++++++++++++-
 required/amsmath/testfiles/github-amsmath-0005.lvt |  1 +
 required/amsmath/testfiles/github-amsmath-0005.tlg | 36 +++++++++++++++++++++-
 4 files changed, 77 insertions(+), 3 deletions(-)

diff --git a/required/amsmath/amsmath.dtx b/required/amsmath/amsmath.dtx
index 726d7a21..e3ad7c60 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}[2020/03/16 v2.17g AMS math features]
+\ProvidesPackage{amsmath}[2020/03/17 v2.17g AMS math features]
 %    \end{macrocode}
 %
 % \section{Catcode defenses}
@@ -3735,6 +3735,11 @@ and fix things up.}
 \def\ams at pos@b{\vbox}
 \def\ams at pos@c{\vcenter}
 %    \end{macrocode}
+%    And we accept an empty argument as a way to get the default (as
+%    that was the case before as well, albeit by mistake in some sense).
+%    \begin{macrocode}
+\let\ams at pos@\ams at pos@c
+%    \end{macrocode}
 %  \end{macro}
 %  \end{macro}
 %  \end{macro}
diff --git a/required/amsmath/testfiles/github-amsmath-0005.luatex.tlg b/required/amsmath/testfiles/github-amsmath-0005.luatex.tlg
index a4edce9b..da348fb3 100644
--- a/required/amsmath/testfiles/github-amsmath-0005.luatex.tlg
+++ b/required/amsmath/testfiles/github-amsmath-0005.luatex.tlg
@@ -41,7 +41,7 @@ Completed box being shipped out [1]
 ...\penalty 10000
 ...\glue(\abovedisplayshortskip) 0.0 plus 3.0
 ...\glue(\lineskip) 1.0
-...\hbox(23.39996+18.60004)x56.8368, shifted 144.0816, direction TLT
+...\hbox(23.39996+18.60004)x64.6993, shifted 140.15036, direction TLT
 ....\hbox(0.0+0.0)x0.0, direction TLT
 ....\vbox(8.39996+18.60004)x9.06943, direction TLT
 .....\hbox(8.39996+3.60004)x9.06943, direction TLT
@@ -207,6 +207,40 @@ Completed box being shipped out [1]
 .......\glue 0.0 plus 1.0fil
 ......\glue(\tabskip) 0.0
 ....\hbox(0.0+0.0)x0.0, direction TLT
+....\vbox(16.0+11.0)x7.86249, direction TLT
+.....\hbox(8.39996+3.60004)x7.86249, direction TLT
+......\glue(\tabskip) 0.0
+......\hbox(8.39996+3.60004)x7.86249, direction TLT
+.......\glue 0.0 plus 1.0fil
+.......\hbox(8.39996+3.60004)x0.0, direction TLT
+........\vbox(8.39996+3.60004)x0.0, direction TLT
+.........\kern0.0
+.........\hbox(8.39996+3.60004)x0.0, direction TLT
+..........\rule(8.39996+3.60004)x0.0
+.......\mathon
+.......\OML/cmm/m/it/10 C
+.......\kern0.71527 (italic)
+.......\mathoff
+.......\glue 0.0 plus 1.0fil
+......\glue(\tabskip) 0.0
+.....\glue 0.0
+.....\glue(\baselineskip) 3.0
+.....\hbox(8.39996+3.60004)x7.86249, direction TLT
+......\glue(\tabskip) 0.0
+......\hbox(8.39996+3.60004)x7.86249, direction TLT
+.......\glue 0.0 plus 1.0fil
+.......\hbox(8.39996+3.60004)x0.0, direction TLT
+........\vbox(8.39996+3.60004)x0.0, direction TLT
+.........\kern0.0
+.........\hbox(8.39996+3.60004)x0.0, direction TLT
+..........\rule(8.39996+3.60004)x0.0
+.......\mathon
+.......\OML/cmm/m/it/10 C
+.......\kern0.71527 (italic)
+.......\mathoff
+.......\glue 0.0 plus 1.0fil
+......\glue(\tabskip) 0.0
+....\hbox(0.0+0.0)x0.0, direction TLT
 ....\vbox(8.39996+18.60004)x9.06943, direction TLT
 .....\hbox(8.39996+3.60004)x9.06943, direction TLT
 ......\glue(\tabskip) 0.0
diff --git a/required/amsmath/testfiles/github-amsmath-0005.lvt b/required/amsmath/testfiles/github-amsmath-0005.lvt
index c6847fd1..b1f41f24 100644
--- a/required/amsmath/testfiles/github-amsmath-0005.lvt
+++ b/required/amsmath/testfiles/github-amsmath-0005.lvt
@@ -20,6 +20,7 @@
   \begin{aligned}[b]  Z \\ Z \end{aligned}
   \begin{aligned}     A \\ A \end{aligned}
   \begin{gathered}    B \\ B \end{gathered}
+  \begin{gathered}[]  C \\ C \end{gathered}
   \begin{gathered}[\hiddent] X \\ X \end{gathered}
   \begin{aligned}[\hiddenbii]  Z \\ Z \end{aligned}
 \]
diff --git a/required/amsmath/testfiles/github-amsmath-0005.tlg b/required/amsmath/testfiles/github-amsmath-0005.tlg
index 40be30fa..f9645cde 100644
--- a/required/amsmath/testfiles/github-amsmath-0005.tlg
+++ b/required/amsmath/testfiles/github-amsmath-0005.tlg
@@ -36,7 +36,7 @@ Completed box being shipped out [1]
 ...\penalty 10000
 ...\glue(\abovedisplayshortskip) 0.0 plus 3.0
 ...\glue(\lineskip) 1.0
-...\hbox(23.39996+18.60004)x56.8368, shifted 144.0816, display
+...\hbox(23.39996+18.60004)x64.6993, shifted 140.15036, display
 ....\hbox(0.0+0.0)x0.0
 ....\vbox(8.39996+18.60004)x9.06943
 .....\hbox(8.39996+3.60004)x9.06943
@@ -202,6 +202,40 @@ Completed box being shipped out [1]
 .......\glue 0.0 plus 1.0fil
 ......\glue(\tabskip) 0.0
 ....\hbox(0.0+0.0)x0.0
+....\vbox(16.0+11.0)x7.86249
+.....\hbox(8.39996+3.60004)x7.86249
+......\glue(\tabskip) 0.0
+......\hbox(8.39996+3.60004)x7.86249
+.......\glue 0.0 plus 1.0fil
+.......\hbox(8.39996+3.60004)x0.0
+........\vbox(8.39996+3.60004)x0.0
+.........\kern 0.0
+.........\hbox(8.39996+3.60004)x0.0
+..........\rule(8.39996+3.60004)x0.0
+.......\mathon
+.......\OML/cmm/m/it/10 C
+.......\kern0.71527
+.......\mathoff
+.......\glue 0.0 plus 1.0fil
+......\glue(\tabskip) 0.0
+.....\glue 0.0
+.....\glue(\baselineskip) 3.0
+.....\hbox(8.39996+3.60004)x7.86249
+......\glue(\tabskip) 0.0
+......\hbox(8.39996+3.60004)x7.86249
+.......\glue 0.0 plus 1.0fil
+.......\hbox(8.39996+3.60004)x0.0
+........\vbox(8.39996+3.60004)x0.0
+.........\kern 0.0
+.........\hbox(8.39996+3.60004)x0.0
+..........\rule(8.39996+3.60004)x0.0
+.......\mathon
+.......\OML/cmm/m/it/10 C
+.......\kern0.71527
+.......\mathoff
+.......\glue 0.0 plus 1.0fil
+......\glue(\tabskip) 0.0
+....\hbox(0.0+0.0)x0.0
 ....\vbox(8.39996+18.60004)x9.06943
 .....\hbox(8.39996+3.60004)x9.06943
 ......\glue(\tabskip) 0.0

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