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authorKarl Berry <karl@freefriends.org>2024-06-02 20:24:10 +0000
committerKarl Berry <karl@freefriends.org>2024-06-02 20:24:10 +0000
commit5634f0473d32ab71b4fbaaf0a6870737c2cc6dcb (patch)
tree4453c5e38663179032e429935eab72d683b7c95a /Master/texmf-dist/source/latex/babel/babel.dtx
parentf570bee4ec02755618ec0dc8f705555f50b0731c (diff)
babel (2jun24)
git-svn-id: svn://tug.org/texlive/trunk@71407 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/source/latex/babel/babel.dtx')
-rw-r--r--Master/texmf-dist/source/latex/babel/babel.dtx118
1 files changed, 92 insertions, 26 deletions
diff --git a/Master/texmf-dist/source/latex/babel/babel.dtx b/Master/texmf-dist/source/latex/babel/babel.dtx
index 6a129d2c32b..6b6da6ed7cf 100644
--- a/Master/texmf-dist/source/latex/babel/babel.dtx
+++ b/Master/texmf-dist/source/latex/babel/babel.dtx
@@ -32,7 +32,7 @@
%
% \iffalse
%<*filedriver>
-\ProvidesFile{babel.dtx}[2024/05/18 v24.5 The Babel package]
+\ProvidesFile{babel.dtx}[2024/06/02 v24.6 The Babel package]
\documentclass{ltxdoc}
\GetFileInfo{babel.dtx}
\usepackage{fontspec}
@@ -865,7 +865,7 @@ behavior is not desired, you may use the environment
\begin{warning}
Being similar to |\selectlanguage|, the warning above about the
internal |\write| also applies here. The current mode (vertical or
- horizonal) is also not changed.
+ horizontal) is also not changed.
\end{warning}
\Describe{\begin\menv{otherlanguage*}}%
@@ -1600,7 +1600,7 @@ files, with |\babelprovide| (or |provide=|). With these languages,
|\babelprovide| with a valueless |import|, which will load the |ini|
file with the tag given in parenthesis.
-Many locale are quite useable, provided captions and dates are
+Many locale are quite usable, provided captions and dates are
not required (which is a very frequent case, particularly in ancient
languages). So, they are included in the default \babel{} distribution.
This can serve to encourage contributions, too. A warning will remember
@@ -2731,12 +2731,12 @@ one whose script is Latin.
Sets the interword space for the writing system of the language, in em
units (so, |0 .1 0| is |0em plus .1em|). Like |\spaceskip|, the em unit
applied is that of the current text (more precisely, the previous
-glyph). Currently used only in Southeast Asian scrips, like Thai, and
+glyph). Currently used only in Southeast Asian scripts, like Thai, and
CJK.
\Describe{intrapenalty=}{\meta{penalty}}
Sets the interword penalty for the writing system of this language.
-Currently used only in Southeast Asian scrips, like Thai. Ignored if 0
+Currently used only in Southeast Asian scripts, like Thai. Ignored if 0
(which is the default value).
\Describe{transforms=}{\meta{transform-list}}
@@ -3148,7 +3148,7 @@ Each language in the \babel{} sense has its own unique numeric
identifier, which can be retrieved with |\localeid|.
The |\localeid| is not the same as the |\language| identifier, which
-refers to a set of hyphenation patters (which, in turn, is just a
+refers to a set of hyphenation patterns (which, in turn, is just a
component of the line breaking algorithm described in the next
section). The data about preloaded patterns are store in an internal
macro named |\bbl@languages| (see the code for further details), but
@@ -3901,7 +3901,7 @@ will be fine in most cases, but numbers, for example, will be rendered
in the wrong order.
In \luatex, the preferred method is |basic|, which supports both L and
-R text. |basic-r| was a first attempt to create a bidi algorith and
+R text. |basic-r| was a first attempt to create a bidi algorithm and
provides a simple and fast method for R text in some typical cases.
(They are named \texttt{basic} mainly because they only consider the
intrinsic direction of scripts and weak directionality.)
@@ -4131,7 +4131,7 @@ There are \textit{three} R blocks and \textit{two} L blocks, and the
order is \textit{RTL B and still ltr 1 ltr text RTL A}. This is by
design to provide the proper behavior in the most usual cases — but if
you need to use |\ref| in an L text inside R, the L text must be marked
-up explictly; for example:
+up explicitly; for example:
\begin{verbatim}
RTL A \foreignlanguage{english}{ltr text \thechapter{} and still ltr} RTL B
\end{verbatim}
@@ -5479,8 +5479,8 @@ wouldn’t exist.
% \section{Tools}
%
% \begin{macrocode}
-%<<version=24.5>>
-%<<date=2024/05/18>>
+%<<version=24.6>>
+%<<date=2024/06/02>>
% \end{macrocode}
%
% \textbf{Do not use the following macros in \texttt{ldf} files. They
@@ -11537,7 +11537,7 @@ wouldn’t exist.
\typeout{*******}}
% \end{macrocode}
%
-% \section{Adjusting the Babel bahavior}
+% \section{Adjusting the Babel behavior}
%
% A generic high level interface is provided to adjust some global
% and general settings.
@@ -11997,7 +11997,7 @@ wouldn’t exist.
% documentclasses \cls{report} and \cls{book} define and set the
% headings for the page. While doing so they also store a copy of
% |\markboth| in |\@mkboth|. Therefore we need to check whether
-% |\@mkboth| has already been set. If so we neeed to do that again
+% |\@mkboth| has already been set. If so we need to do that again
% with the new definition of |\markboth|. (As of Oct 2019, \LaTeX{}
% stores the definition in an intermediate macro, so it's not
% necessary anymore, but it's preserved for older versions.)
@@ -12111,7 +12111,7 @@ wouldn’t exist.
% \end{macrocode}
%
% The package \pkg{varioref} defines |\Ref| to be a robust command
-% wich uppercases the first character of the reference text. In
+% which uppercases the first character of the reference text. In
% order to be able to do that it needs to access the expandable form
% of |\ref|. So we employ a little trick here. We redefine the
% (internal) command \verb*|\Ref | to call |\org@ref| instead of
@@ -12395,16 +12395,16 @@ wouldn’t exist.
\fi
\fi
% TODO? Separate:
-\ifnum\bbl@bidimode=\@ne % Any bidi= except default=1
+\ifnum\bbl@bidimode=\@ne % bidi=default
\let\bbl@beforeforeign\leavevmode
- \ifodd\bbl@engine
+ \ifodd\bbl@engine % lua
\newattribute\bbl@attr@dir
\directlua{ Babel.attr_dir = luatexbase.registernumber'bbl@attr@dir' }
\bbl@exp{\output{\bodydir\pagedir\the\output}}
\fi
\AtEndOfPackage{%
- \EnableBabelHook{babel-bidi}%
- \ifodd\bbl@engine\else
+ \EnableBabelHook{babel-bidi}% pdf/lua/xe
+ \ifodd\bbl@engine\else % pdf/xe
\bbl@xebidipar
\fi}
\fi
@@ -13995,12 +13995,12 @@ wouldn’t exist.
%<*xetex|texxet>
\providecommand\bbl@provide@intraspace{}
\bbl@trace{Redefinitions for bidi layout}
-\def\bbl@sspre@caption{%
+\def\bbl@sspre@caption{% TODO: Unused!
\bbl@exp{\everyhbox{\\\bbl@textdir\bbl@cs{wdir@\bbl@main@language}}}}
\ifx\bbl@opt@layout\@nnil\else % if layout=..
\def\bbl@startskip{\ifcase\bbl@thepardir\leftskip\else\rightskip\fi}
\def\bbl@endskip{\ifcase\bbl@thepardir\rightskip\else\leftskip\fi}
-\ifx\bbl@beforeforeign\leavevmode % A poor test for bidi=
+\ifnum\bbl@bidimode>\z@ % TODO: always?
\def\@hangfrom#1{%
\setbox\@tempboxa\hbox{{#1}}%
\hangindent\ifcase\bbl@thepardir\wd\@tempboxa\else-\wd\@tempboxa\fi
@@ -14092,7 +14092,7 @@ wouldn’t exist.
%
% Which start just above, because some code is shared with \xetex. Now,
% 8-bit specific stuff. If just one encoding has been declared, then
-% asume no switching is necessary (1).
+% assume no switching is necessary (1).
%
% \begin{macrocode}
%<*texxet>
@@ -14357,6 +14357,7 @@ wouldn’t exist.
\endinput\fi
% Here stops reading code for hyphen.cfg
% The following is read the 2nd time it's loaded
+ % First, global declarations for lua
\begingroup % TODO - to a lua file
\catcode`\%=12
\catcode`\'=12
@@ -14364,6 +14365,10 @@ wouldn’t exist.
\catcode`\:=12
\directlua{
Babel = Babel or {}
+ function Babel.lua_error(e, a)
+ tex.print([[\noexpand\csname bbl@error\endcsname{]] ..
+ e .. '}{' .. (a or '') .. '}{}{}')
+ end
function Babel.bytes(line)
return line:gsub("(.)",
function (chr) return unicode.utf8.char(string.byte(chr)) end)
@@ -15323,7 +15328,12 @@ end
local rep = [=[##1]=]
rep = rep:gsub('^%s*(remove)%s*$', 'remove = true')
rep = rep:gsub('^%s*(insert)%s*,', 'insert = true, ')
+ rep = rep:gsub('^%s*(after)%s*,', 'after = true, ')
rep = rep:gsub('(string)%s*=%s*([^%s,]*)', Babel.capture_func)
+ rep = rep:gsub('node%s*=%s*(%a+)%s*(%a*)', Babel.capture_node)
+ rep = rep:gsub(&%
+ '(norule)%s*=%s*([%-%d%.]+)%s+([%-%d%.]+)%s+([%-%d%.]+)',
+ 'norule = {' .. '%2, %3, %4' .. '}')
if #1 == 0 or #1 == 2 then
rep = rep:gsub(&%
'(space)%s*=%s*([%-%d%.]+)%s+([%-%d%.]+)%s+([%-%d%.]+)',
@@ -15342,7 +15352,7 @@ end
\bbl@foreach\babeltempb{&%
\bbl@forkv{{##1}}{&%
\in@{,####1,}{,nil,step,data,remove,insert,string,no,pre,&%
- no,post,penalty,kashida,space,spacefactor,}&%
+ no,post,penalty,kashida,space,spacefactor,kern,node,after,}&%
\ifin@\else
\bbl@error{bad-transform-option}{####1}{}{}&%
\fi}}&%
@@ -16358,6 +16368,7 @@ function Babel.hyphenate_replace(head, mode)
print('=====')
end
local new -- used when inserting and removing nodes
+ local dummy_node -- used by after
local matches = { u.match(w, p, last_match) }
@@ -16402,7 +16413,8 @@ function Babel.hyphenate_replace(head, mode)
-- rc = the replacement table index
local rc = 0
- while rc < last-first+1 do -- for each replacement
+------- TODO. dummy_node?
+ while rc < last-first+1 or dummy_node do -- for each replacement
if Babel.debug then
print('.....', rc + 1)
end
@@ -16434,11 +16446,31 @@ function Babel.hyphenate_replace(head, mode)
end
if crep then
- step = crep.step or 0
+ step = crep.step or step
+ end
+
+ if crep and crep.after then
+ crep.insert = true
+ if dummy_node then
+ item = dummy_node
+ else -- TODO. if there is a node after?
+ d = node.copy(item_base)
+ head, item = node.insert_after(head, item, d)
+ dummy_node = item
+ end
+ end
+
+ if crep and not crep.after and dummy_node then
+ node.remove(head, dummy_node)
+ dummy_node = nil
end
if (not enabled) or (crep and next(crep) == nil) then -- = {}
- last_match = save_last -- Optimization
+ if step == 0 then
+ last_match = save_last -- Optimization
+ else
+ last_match = utf8.offset(w, sc+step)
+ end
goto next
elseif crep == nil or crep.remove then
@@ -16448,7 +16480,7 @@ function Babel.hyphenate_replace(head, mode)
sc = sc - 1 -- Nothing has been inserted.
last_match = utf8.offset(w, sc+1+step)
goto next
-
+
elseif crep and crep.kashida then -- Experimental
node.set_attribute(item,
Babel.attr_kashida,
@@ -16526,6 +16558,15 @@ function Babel.hyphenate_replace(head, mode)
placeholder = ' '
end
head, new = node.insert_before(head, item, d)
+
+ elseif crep and crep.norule then
+ -- 655360 = 10 pt = 10 * 65536 sp
+ d = node.new(2, 3) -- (rule, empty) = \no*rule
+ local quad = font.getfont(item_base.font).size or 655360
+ d.width = crep.norule[1] * quad
+ d.height = crep.norule[2] * quad
+ d.depth = crep.norule[3] * quad
+ head, new = node.insert_before(head, item, d)
elseif crep and crep.spacefactor then
d = node.new(12, 13) -- (glue, spaceskip)
@@ -16541,10 +16582,22 @@ function Babel.hyphenate_replace(head, mode)
elseif mode == 0 and crep and crep.space then
-- ERROR
+
+ elseif crep and crep.kern then
+ d = node.new(13, 1) -- (kern, user)
+ local quad = font.getfont(item_base.font).size or 655360
+ d.attr = item_base.attr
+ d.kern = crep.kern * quad
+ head, new = node.insert_before(head, item, d)
+
+ elseif crep and crep.node then
+ d = node.new(crep.node[1], crep.node[2])
+ d.attr = item_base.attr
+ head, new = node.insert_before(head, item, d)
end -- ie replacement cases
- -- Shared by disc, space and penalty.
+ -- Shared by disc, space(factor), kern, node and penalty.
if sc == 1 then
word_head = head
end
@@ -16568,6 +16621,11 @@ function Babel.hyphenate_replace(head, mode)
print('.....', '/')
Babel.debug_hyph(w, w_nodes, sc, first, last, last_match)
end
+
+ if dummy_node then
+ node.remove(head, dummy_node)
+ dummy_node = nil
+ end
end -- for match
@@ -16649,6 +16707,14 @@ function Babel.capture_kashida(key, wt)
return 'kashida = ' .. wt
end
+function Babel.capture_node(id, subtype)
+ local sbt = 0
+ for k, v in pairs(node.subtypes(id)) do
+ if v == subtype then sbt = k end
+ end
+ return 'node = {' .. node.id(id) .. ', ' .. sbt .. '}'
+end
+
-- Experimental: applies prehyphenation transforms to a string (letters
-- and spaces).
function Babel.string_prehyphenation(str, locale)