CTAN sync 202108190301

4 files changed, 30 insertions, 33 deletions

diff --git a/macros/latex/contrib/bytefield/README b/macros/latex/contrib/bytefield/README
index b76f221d76..5f8e64c3d2 100644
--- a/macros/latex/contrib/bytefield/README
+++ b/macros/latex/contrib/bytefield/README
@@ -33,7 +33,7 @@ supports hyperref hyperlinks.
 Copyright and license
 ---------------------
 
-Copyright (C) 2000-2020 Scott Pakin, scott+bf@pakin.org
+Copyright (C) 2000-2021 Scott Pakin, scott+bf@pakin.org
 
 This package may be distributed and/or modified under the conditions
 of the LaTeX Project Public License, either version 1.3a of this
diff --git a/macros/latex/contrib/bytefield/bytefield.dtx b/macros/latex/contrib/bytefield/bytefield.dtx
index 8af3e52bbf..24ee535fda 100644
--- a/macros/latex/contrib/bytefield/bytefield.dtx
+++ b/macros/latex/contrib/bytefield/bytefield.dtx
@@ -1,6 +1,6 @@
 % \iffalse meta-comment
 %
-% Copyright (C) 2000-2020 by Scott Pakin <scott+bf@pakin.org>
+% Copyright (C) 2000-2021 by Scott Pakin <scott+bf@pakin.org>
 % -----------------------------------------------------------
 %
 % This file may be distributed and/or modified under the
@@ -22,7 +22,7 @@
 %<package>\NeedsTeXFormat{LaTeX2e}[1999/12/01]
 %<package>\ProvidesPackage{bytefield}
 %<*package>
-    [2020/10/31 v2.6 Network protocol diagrams]
+    [2021/08/17 v2.7 Network protocol diagrams]
 %</package>
 %
 %<*driver>
@@ -46,7 +46,7 @@
   pdfauthor={Scott Pakin},
   pdfsubject={Protocol diagrams for LaTeX},
   pdfkeywords={bits, bytes, bit fields, communication, network protocol diagrams, LaTeX2e, memory maps},
-  pdfcopyright={Copyright (C) 2000-2020, Scott Pakin},
+  pdfcopyright={Copyright (C) 2000-2021, Scott Pakin},
   pdflicenseurl={http://www.latex-project.org/lppl/},
   pdfcaptionwriter={Scott Pakin},
   pdfcontactemail={scott+bf@pakin.org},
@@ -68,7 +68,7 @@
 %</driver>
 % \fi
 %
-% \CheckSum{1194}
+% \CheckSum{1182}
 %
 % \CharacterTable
 %  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
@@ -423,10 +423,7 @@
 %
 % The first, optional, argument, \meta{sides}, is a list of letters
 % specifying which sides of the field box to draw---[|l|]eft, [|r|]ight,
-% [|t|]op, and/or [|b|]ottom.\footnote{Uppercase |L|, |R|, |T|, and |B|
-%   undo a prior |l|, |r|, |t|, or |b| and may be useful for writing
-%   wrapper commands around \texttt{\string\bitbox} and
-%   \texttt{\string\wordbox}.}  The default is ``|lrtb|'' (i.e.,~all
+% [|t|]op, and/or [|b|]ottom.  The default is ``|lrtb|'' (i.e.,~all
 % sides are drawn).  The second, required, argument is the width in bits
 % of a bit box or the height in words of a word box.  The third argument
 % is an optional, comma-separated list of \meta{key}=\meta{value} pairs,
@@ -2342,9 +2339,7 @@
 % Put some text~(|#4|) in a box that's a given number of bits~(|#2|)
 % wide and one byte tall.  An optional argument~(|#1|) specifies which
 % lines to draw---|[l]|eft, |[r]|ight, |[t]|op, and/or |[b]|ottom
-% (default: |lrtb|).  Uppercase letters provide the opposite effect:
-% They suppress drawing the |[L]|eft, |[R]|ight, |[T]|op, and/or
-% |[B]|ottom sides.  Additional drawing parameters can be provided via
+% (default: |lrtb|).  Additional drawing parameters can be provided via
 % another optional argument~(|#3|).
 %    \begin{macrocode}
 \DeclareRobustCommand{\bitbox}{\bf@call@box@cmd{\bf@bitbox}}
@@ -2389,9 +2384,7 @@
 % Put some text~(|#4|) in a box that's a given number of bytes~(|#2|)
 % tall and one word (|\bits@wide| bits) wide.  An optional
 % argument~(|#1|) specifies which lines to draw---|[l]|eft, |[r]|ight,
-% |[t]|op, and/or |[b]|ottom (default: |lrtb|).  Uppercase letters
-% provide the opposite effect: They suppress drawing the |[L]|eft,
-% |[R]|ight, |[T]|op, and/or |[B]|ottom sides.  Additional drawing
+% |[t]|op, and/or |[b]|ottom (default: |lrtb|).  Additional drawing
 % parameters can be provided via another optional argument~(|#3|).
 %    \begin{macrocode}
 \DeclareRobustCommand{\wordbox}{\bf@call@box@cmd{\bf@wordbox}}
@@ -2565,9 +2558,8 @@
 % Put each token in |#3| into a box that's a given number of bits (|#2|)
 % wide and one byte tall.  An optional argument (|#1|) specifies which
 % lines to draw---|[l]|eft, |[r]|ight, |[t]|op, and/or |[b]|ottom
-% (default: |lrtb|).  Uppercase letters suppress drawing the |[L]|eft,
-% |[R]|ight, |[T]|op, and/or |[B]|ottom sides.  The |*|-form of the
-% command omits interior left and right lines.
+% (default: |lrtb|).  The |*|-form of the command omits interior left
+% and right lines.
 %    \begin{macrocode}
 \DeclareRobustCommand{\bitboxes}{%
   \@ifstar
@@ -2700,11 +2692,14 @@
 % \subsubsection{Parsing arguments}
 %
 % The macros in this section are used to parse the optional argument to
-% |\bitbox| or |\wordbox|, which is some subset of $\{ |l|, |r|, |t|,
-% |b|, |L|, |R|, |T|, |B| \}$.  Lowercase letters display the left,
-% right, top, or bottom side of a box; uppercase letters inhibit the
-% display.  The default is not to display any sides, but an uppercase
-% letter can negate the effect of a prior lowercase letter.
+% \cs{bitbox}, \cs{wordbox}, and \cs{bitboxes}, which is some subset of
+% $\{ |l|, |r|, |t|, |b|, |L|, |R|, |T|, |B| \}$ and defaults to
+% ``|lrtb|'' for all three user macros.  If the argument is empty, no
+% lines are drawn.  Lowercase letters in the argument display,
+% respectively, the left, right, top, or bottom side of a box.
+% Uppercase letters undo the effect of the corresponding, prior,
+% lowercase letter and are used internally by \cs{bitboxes} to suppress
+% internal left and right lines.
 %
 % \begin{macro}{\ifbitbox@top}
 % \begin{macro}{\ifbitbox@bottom}
@@ -3064,6 +3059,8 @@
 % \end{macro}
 %
 % \begin{macro}{\store@rcurly}
+% \changes{v2.7}{2021/08/17}{Properly align right curly braces under
+%   Lua\string\LaTeX\ (bug reported by Georgi Nikiforov)}
 % \begin{macro}{\curly@height}
 % \begin{macro}{\half@curly@height}
 % \begin{macro}{\curly@shift}
@@ -3083,16 +3080,15 @@
     \bf@newdimen\curly@shift
     \setlength{\curly@shift}{\bf@rightcurlyshrinkage}%
     \setlength{\curly@shift}{\half@curly@height + 0.5\curly@shift}%
+    \addtolength{\curly@shift}{-\fontdimen22\textfont2}%
     \global\sbox{#1}{\raisebox{\curly@shift}{%
-      $\xdef\old@axis{\the\fontdimen22\textfont2}$%
       \bf@rightcurlystyle{%
-        $\fontdimen22\textfont2=0pt%
-         \left.
+         $\left.
          \vrule height\half@curly@height
                 width 0pt
                 depth\half@curly@height\right\bf@rightcurly$%
       }%
-      $\fontdimen22\textfont2=\old@axis$}}%
+    }}%
   \endgroup
 }
 %    \end{macrocode}
@@ -3103,6 +3099,8 @@
 % \end{macro}
 %
 % \begin{macro}{\store@lcurly}
+% \changes{v2.7}{2021/08/17}{Properly align left curly braces under
+%   Lua\string\LaTeX\ (bug reported by Georgi Nikiforov)}
 % \begin{macro}{\curly@height}
 % \begin{macro}{\half@curly@height}
 % \begin{macro}{\curly@shift}
@@ -3118,16 +3116,15 @@
     \bf@newdimen\curly@shift
     \setlength{\curly@shift}{\bf@leftcurlyshrinkage}%
     \setlength{\curly@shift}{\half@curly@height + 0.5\curly@shift}%
+    \addtolength{\curly@shift}{-\fontdimen22\textfont2}%
     \global\sbox{#1}{\raisebox{\curly@shift}{%
-      $\xdef\old@axis{\the\fontdimen22\textfont2}$%
       \bf@leftcurlystyle{%
-        $\fontdimen22\textfont2=0pt%
-         \left\bf@leftcurly
+         $\left\bf@leftcurly
          \vrule height\half@curly@height
                 width 0pt
                 depth\half@curly@height\right.$%
       }%
-      $\fontdimen22\textfont2=\old@axis$}}%
+    }}%
   \endgroup
 }
 %    \end{macrocode}
diff --git a/macros/latex/contrib/bytefield/bytefield.ins b/macros/latex/contrib/bytefield/bytefield.ins
index d00c642405..fcbcf0584c 100644
--- a/macros/latex/contrib/bytefield/bytefield.ins
+++ b/macros/latex/contrib/bytefield/bytefield.ins
@@ -1,5 +1,5 @@
 %%
-%% Copyright (C) 2000-2020 by Scott Pakin <scott+bf@pakin.org>
+%% Copyright (C) 2000-2021 by Scott Pakin <scott+bf@pakin.org>
 %%
 %% This file may be distributed and/or modified under the conditions of
 %% the LaTeX Project Public License, either version 1.3a of this license
@@ -21,7 +21,7 @@
 
 This is a generated file.
 
-Copyright (C) 2000-2020 by Scott Pakin <scott+bf@pakin.org>
+Copyright (C) 2000-2021 by Scott Pakin <scott+bf@pakin.org>
 
 This file may be distributed and/or modified under the conditions of
 the LaTeX Project Public License, either version 1.3a of this license
diff --git a/macros/latex/contrib/bytefield/bytefield.pdf b/macros/latex/contrib/bytefield/bytefield.pdf
index 46b2b36d09..655403099f 100644
--- a/macros/latex/contrib/bytefield/bytefield.pdf
+++ b/macros/latex/contrib/bytefield/bytefield.pdf