CTAN sync 202305190301

11 files changed, 150 insertions, 11 deletions

diff --git a/macros/latex/contrib/lineno/README.md b/macros/latex/contrib/lineno/README.md
index 3b93f2a019..085d59f247 100644
--- a/macros/latex/contrib/lineno/README.md
+++ b/macros/latex/contrib/lineno/README.md
@@ -1,6 +1,6 @@
-# lineno.sty v5.1, fnlineno.sty v0.55
+# lineno.sty v5.2, fnlineno.sty v0.55
 
-2022-11-29
+2023-05-19
 
 The LaTeX package lineno.sty provides line numbers on paragraphs.  After TeX has
 broken a paragraph into lines there will be line numbers attached to them, with
@@ -39,7 +39,8 @@ Authors:
   in v3.04.
 
 - `amsmath.sty`: loadable, but not fully supported, with v4.41.  Fully supported
-  with v5.0.
+  with v5.0. Use LaTeX hooks to allow independent loading of `amsmath` and `lineno`
+  with v5.1. Support `amsmath` option `\allowdisplaybreaks` with v5.2.
 
 ## Installation and usage (UL, v4.1):
 
@@ -55,7 +56,7 @@ Usage always starts with loading lineno.sty by `\usepackage`.  The remaining
 recommend not to load them through [the mandatory argument of] `\usepackage`).
 
 For details, see `lineno.tex/pdf` and the `.sty` files mentioned above--search
-especially for tabular and math mode.  (+ `print' below here).
+especially for tabular and math mode.  (+ `print` below here).
 
 "Visible to (LaTeX)": Some users don't understand this "visibility" for a while,
 and indeed it may be somewhat non-trivial. These users may find help in
@@ -64,7 +65,7 @@ lineno.sty may just put all the .sty files into the folder (at their workplace)
 where they had placed lineno.sty before.  (/UL, /v4.1)
 
 To print the documented source: Take the style-file `lineno.sty`, and feed it to
-a Un*x shell.  (Or download the extracted source documentation `lineno.tex'.)
+a Un*x shell.  (Or download the extracted source documentation `lineno.tex`.)
 ```
 csh> source ./lineno.sty
 sh>  . ./lineno.sty
diff --git a/macros/latex/contrib/lineno/doc/CHANGEs.txt b/macros/latex/contrib/lineno/doc/CHANGEs.txt
index 9445d718af..0612c8ffc4 100644
--- a/macros/latex/contrib/lineno/doc/CHANGEs.txt
+++ b/macros/latex/contrib/lineno/doc/CHANGEs.txt
@@ -1,3 +1,8 @@
+CHANGES  for lineno pkg v5.2   2023/05/19:
+
+1. Support `amsmath` option `\allowdisplaybreaks`.
+
+
 CHANGES  for lineno pkg v5.1   2023/01/19:
 
 1. Patch `amsmath` with \AddToHook if possible.
diff --git a/macros/latex/contrib/lineno/doc/SRCFILEs.txt b/macros/latex/contrib/lineno/doc/SRCFILEs.txt
index 7e64111f74..ead01626f4 100644
--- a/macros/latex/contrib/lineno/doc/SRCFILEs.txt
+++ b/macros/latex/contrib/lineno/doc/SRCFILEs.txt
@@ -1,10 +1,10 @@
 ednmath0.sty            2005/01/10 v0.2b math support for lineno/ednotes (ul)
 edtable.sty             2005/10/03 v1.3c arrays with lineno + ednotes (ul)
 fnlineno.sty            2011/01/07 v0.55 numbers to footnote lines (UL)
-lineno.sty              2023/01/19 line numbers on paragraphs v5.1
+lineno.sty              2023/05/19 line numbers on paragraphs v5.2
 vplref.sty              2005/04/25 v0.2a page-line cross-refs
 fnlineno.tex            2011/02/14 documenting fnlineno.sty (UL)
-lineno.tex              2023/01/19 line numbers on paragraphs v5.1
+lineno.tex              2023/05/19 line numbers on paragraphs v5.2
 lnosuppl.tex            2011/02/16 documenting supplementary files
 ulineno.tex             2001/08/03 lineno.sty users manual
 linenoamsmathdemo.tex   2021/09/30 Make amsmath work with lineno
diff --git a/macros/latex/contrib/lineno/doc/fnlineno.pdf b/macros/latex/contrib/lineno/doc/fnlineno.pdf
index 5fc04fbe98..0760d0ecc0 100644
--- a/macros/latex/contrib/lineno/doc/fnlineno.pdf
+++ b/macros/latex/contrib/lineno/doc/fnlineno.pdf
diff --git a/macros/latex/contrib/lineno/doc/lineno.pdf b/macros/latex/contrib/lineno/doc/lineno.pdf
index 31aa52c931..7cbf50f5b4 100644
--- a/macros/latex/contrib/lineno/doc/lineno.pdf
+++ b/macros/latex/contrib/lineno/doc/lineno.pdf
diff --git a/macros/latex/contrib/lineno/doc/linenoamsmathdemo.pdf b/macros/latex/contrib/lineno/doc/linenoamsmathdemo.pdf
index 8ec78a498e..68e32b823e 100644
--- a/macros/latex/contrib/lineno/doc/linenoamsmathdemo.pdf
+++ b/macros/latex/contrib/lineno/doc/linenoamsmathdemo.pdf
diff --git a/macros/latex/contrib/lineno/doc/lnosuppl.pdf b/macros/latex/contrib/lineno/doc/lnosuppl.pdf
index cc6aeaf9a2..c2f5c3fd6d 100644
--- a/macros/latex/contrib/lineno/doc/lnosuppl.pdf
+++ b/macros/latex/contrib/lineno/doc/lnosuppl.pdf
diff --git a/macros/latex/contrib/lineno/doc/ulineno.pdf b/macros/latex/contrib/lineno/doc/ulineno.pdf
index e6ba98d6e3..efe87de8ab 100644
--- a/macros/latex/contrib/lineno/doc/ulineno.pdf
+++ b/macros/latex/contrib/lineno/doc/ulineno.pdf
diff --git a/macros/latex/contrib/lineno/source/lineno.tex b/macros/latex/contrib/lineno/source/lineno.tex
index baed81f1b8..1e2457202c 100644
--- a/macros/latex/contrib/lineno/source/lineno.tex
+++ b/macros/latex/contrib/lineno/source/lineno.tex
@@ -1,4 +1,4 @@
-\def\fileversion{v5.1}  \def\filedate{2023/01/19}                     
+\def\fileversion{v5.2}  \def\filedate{2023/05/19}                     
 
 \title{\texttt{\itshape
 lineno.sty \ \fileversion\ \filedate
@@ -2718,6 +2718,13 @@ of the ~gather~ command) and if so applies the patches; otherwise if ~amsmath~
 has not been loaded, no patches are applied, and a warning is issued.
 (/New v5.1)
 
+(/New v5.2) Fix ~lineno~ to work with ~amsmath~'s ~\allowdisplaybreaks~
+option. A side effect is that now ~\\*~ suppresses a line number on that
+line. This is because ~\\*~ prohibits a page break after a given line, and
+~lineno~ basically works by hijacking page breaks. It's probably not possible
+to fix this without losing the behaviour of ~\\*~.
+(/New v5.2)
+
 \begin{code}\begin{verbatim}
 \RequirePackage{etoolbox}
  
@@ -2741,7 +2748,14 @@ has not been loaded, no patches are applied, and a warning is issued.
     \csappto{end#1*}{\endlinenomath}%
   }
   \newcount\linenoamsmath@ams@eqpen
-  \cspreto{math@cr@}{\global\@eqpen\numexpr\@eqpen+\linenoamsmath@ams@eqpen\relax}
+  \cspreto{math@cr@}{%
+    %%% Uncommenting the following 2 lines restores the line number on a line
+    %%% ended with \\*, by making \\* act just like \\. This is probably
+    %%% undesirable, however, so these lines are disabled.
+    % \global\@eqpen%
+    % \ifnum\dspbrk@lvl <\z@ \interdisplaylinepenalty \else -\@getpen\dspbrk@lvl \fi%
+    \advance\@eqpen\linenoamsmath@ams@eqpen\relax%
+  }
   \newcommand*\linenoamsmath@patch@ams[1]{%
     \cspreto{#1}{%
       \linenomath%
diff --git a/macros/latex/contrib/lineno/source/linenoamsmathdemo.tex b/macros/latex/contrib/lineno/source/linenoamsmathdemo.tex
index 571b8230e8..045e251a62 100644
--- a/macros/latex/contrib/lineno/source/linenoamsmathdemo.tex
+++ b/macros/latex/contrib/lineno/source/linenoamsmathdemo.tex
@@ -29,6 +29,8 @@
 \usepackage{lipsum}
 \usepackage{hyperref}
 
+\allowdisplaybreaks
+
 \begin{document}
 
 \title{Make \textsf{amsmath}\footnote{\url{https://ctan.org/pkg/amsmath}}~ work with \textsf{lineno}}
@@ -412,6 +414,108 @@ formatted when using \textsf{amsmath} math environments. \loadorder.
 \end{linenomath*}
 \nextlipsum
 
+\subsection*{Long equation with \textbackslash allowdisplaybreaks}
+
+\nextlipsum
+\begin{multline}
+0, 1, 2, \\
+3, \\
+4, 5, \\
+6, 7, \\
+8, 9, 10, 11, \\
+12, 13, \\
+14, 15, 16, 17, \\
+18, 19, \\
+20, 21, 22, 23, \\
+24, 25, 26, 27, 28, 29, \\
+30, 31, \\
+32, 33, 34, 35, 36, 37, \\
+38, 39, 40, 41, \\
+42, 43, \\
+44, 45, 46, 47, \\
+48, 49, 50, 51, 52, 53, \\
+54, 55, 56, 57, 58, 59, \\
+60, 61, \\
+62, 63, 64, 65, 66, 67, \\
+68, 69, 70, 71, \\
+72, 73, \\
+74, 75, 76, 77, 78, 79, \\
+80, 81, 82, 83, \\
+84, 85, 86, 87, 88, 89, \\
+90, 91, 92, 93, 94, 95, 96, 97, \\
+98, 99, 100, 101, \\
+102, 103, \\
+104, 105, 106, 107, \\
+108, 109, \\
+110, 111, 112, 113, \\
+114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, \\
+128, 129, 130, 131, \\
+132, 133, 134, 135, 136, 137, \\
+138, 139, \\
+140, 141, 142, 143, 144, 145, 146, 147, 148, 149, \\
+150, 151, \\
+152, 153, 154, 155, 156, 157, \\
+158, 159, 160, 161, 162, 163, \\
+164, 165, 166, 167, \\
+168, 169, 170, 171, 172, 173, \\
+174, 175, 176, 177, 178, 179, \\
+180, 181, \\
+182, 183, 184, 185, 186, 187, 188, 189, 190, 191, \\
+192, 193, \\
+194, 195, 196, 197, \\
+198, 199, \\
+200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, \\
+212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, \\
+224, 225, 226, 227, \\
+228, 229, \\
+230, 231, 232, 233, \\
+234, 235, 236, 237, 238, 239, \\
+240, 241, \\
+242, 243, 244, 245, 246, 247, 248, 249, 250, 251, \\
+252, 253, 254, 255, 256, 257, \\
+258, 259, 260, 261, 262, 263, \\
+264, 265, 266, 267, 268, 269, \\
+270, 271, \\
+272, 273, 274, 275, 276, 277, \\
+278, 279, 280, 281, \\
+282, 283, \\
+284, 285, 286, 287, 288, 289, 290, 291, 292, 293, \\
+294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, \\
+308, 309, 310, 311, \\
+312, 313, \\
+314, 315, 316, 317, \\
+318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, \\
+332, 333, 334, 335, 336, 337, \\
+338, 339, 340, 341, 342, 343, 344, 345, 346, 347, \\
+348, 349, \\
+350, 351, 352, 353, \\
+354, 355, 356, 357, 358, 359, \\
+360, 361, 362, 363, 364, 365, 366, 367, \\
+368, 369, 370, 371, 372, 373, \\
+374, 375, 376, 377, 378, 379, \\
+380, 381, 382, 383, \\
+384, 385, 386, 387, 388, 389, \\
+390, 391, 392, 393, 394, 395, 396, 397, \\
+398, 399, 400, 401, \\
+402, 403, 404, 405, 406, 407, 408, 409, \\
+410, 411, 412, 413, 414, 415, 416, 417, 418, 419, \\
+420, 421, \\
+422, 423, 424, 425, 426, 427, 428, 429, 430, 431, \\
+432, 433, \\
+434, 435, 436, 437, 438, 439, \\
+440, 441, 442, 443, \\
+444, 445, 446, 447, 448, 449, \\
+450, 451, 452, 453, 454, 455, 456, 457, \\
+458, 459, 460, 461, \\
+462, 463, \\
+464, 465, 466, 467, \\
+468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, \\
+480, 481, 482, 483, 484, 485, 486, 487, \\
+488, 489, 490, 491, \\
+492, 493, 494, 495, 496, 497, 498, 499 \,.
+\end{multline}
+\nextlipsum
+
 \nolinenumbers
 
 \end{document}
diff --git a/macros/latex/contrib/lineno/tex/lineno.sty b/macros/latex/contrib/lineno/tex/lineno.sty
index c879008a20..03958a8589 100644
--- a/macros/latex/contrib/lineno/tex/lineno.sty
+++ b/macros/latex/contrib/lineno/tex/lineno.sty
@@ -3,7 +3,7 @@
 
 Macro file lineno.sty for LaTeX: attach line numbers, refer to them.
                                                                            \fi
-\def\fileversion{v5.1}  \def\filedate{2023/01/19}                     %VERSION
+\def\fileversion{v5.2}  \def\filedate{2023/05/19}                     %VERSION
 
 %%% Copyright 1995--2003 Stephan I. Böttcher
 %%% Copyright 2002--2005 Uwe Lück for versions 4.x and code from former Ednotes
@@ -387,6 +387,7 @@ Macro file lineno.sty for LaTeX: attach line numbers, refer to them.
 %% v4.41 2005/11/02  UL:  Raised \CheckCommand*.
 %% v5.0  2022/07/30  KW:  Merge in `linenoamsmath' patches
 %% v5.1  2023/01/19  KW:  Patch `amsmath` with \AddToHook if possible.
+%% v5.2  2023/05/19  KW:  Support `amsmath` option `\allowdisplaybreaks`.
 %%
 %% Acknowledgements:
 %% v3.06:  Donald Arseneau, pointed to mparhack.sty.
@@ -2892,6 +2893,13 @@ Macro file lineno.sty for LaTeX: attach line numbers, refer to them.
 % has not been loaded, no patches are applied, and a warning is issued.
 % (/New v5.1)
 %
+% (/New v5.2) Fix ~lineno~ to work with ~amsmath~'s ~\allowdisplaybreaks~
+% option. A side effect is that now ~\\*~ suppresses a line number on that
+% line. This is because ~\\*~ prohibits a page break after a given line, and
+% ~lineno~ basically works by hijacking page breaks. It's probably not possible
+% to fix this without losing the behaviour of ~\\*~.
+% (/New v5.2)
+%
 
 \RequirePackage{etoolbox}
 
@@ -2915,7 +2923,14 @@ Macro file lineno.sty for LaTeX: attach line numbers, refer to them.
     \csappto{end#1*}{\endlinenomath}%
   }
   \newcount\linenoamsmath@ams@eqpen
-  \cspreto{math@cr@}{\global\@eqpen\numexpr\@eqpen+\linenoamsmath@ams@eqpen\relax}
+  \cspreto{math@cr@}{%
+    %%% Uncommenting the following 2 lines restores the line number on a line
+    %%% ended with \\*, by making \\* act just like \\. This is probably
+    %%% undesirable, however, so these lines are disabled.
+    % \global\@eqpen%
+    % \ifnum\dspbrk@lvl <\z@ \interdisplaylinepenalty \else -\@getpen\dspbrk@lvl \fi%
+    \advance\@eqpen\linenoamsmath@ams@eqpen\relax%
+  }
   \newcommand*\linenoamsmath@patch@ams[1]{%
     \cspreto{#1}{%
       \linenomath%