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-rw-r--r--Master/texmf-dist/source/latex/mh/breqn.dtx186
1 files changed, 50 insertions, 136 deletions
diff --git a/Master/texmf-dist/source/latex/mh/breqn.dtx b/Master/texmf-dist/source/latex/mh/breqn.dtx
index 0f01201b370..0f8d0d9a1f6 100644
--- a/Master/texmf-dist/source/latex/mh/breqn.dtx
+++ b/Master/texmf-dist/source/latex/mh/breqn.dtx
@@ -1,7 +1,7 @@
% \iffalse meta-comment
%
% Copyright (C) 1997-2003 by Michael J. Downes
-% Copyright (C) 2007 by Morten Hoegholm <mh.ctan@gmail.com>
+% Copyright (C) 2007-2008 by Morten Hoegholm <mh.ctan@gmail.com>
%
% This work may be distributed and/or modified under the
% conditions of the LaTeX Project Public License, either
@@ -67,7 +67,7 @@
\input docstrip.tex
\Msg{************************************************************************}
\Msg{* Installation}
-\Msg{* Package: breqn 2007/12/22 v0.97a Breqn (MH)}
+\Msg{* Package: breqn 2008/07/28 v0.98 Breqn (MH)}
\Msg{************************************************************************}
\keepsilent
@@ -78,7 +78,7 @@
This is a generated file.
Copyright (C) 1997-2003 by Michael J. Downes
-Copyright (C) 2007 by Morten Hoegholm <mh.ctan@gmail.com>
+Copyright (C) 2007-2008 by Morten Hoegholm <mh.ctan@gmail.com>
This work may be distributed and/or modified under the
conditions of the LaTeX Project Public License, either
@@ -128,7 +128,7 @@ and the derived files
%<*driver>
\NeedsTeXFormat{LaTeX2e}
\ProvidesFile{breqn.drv}%
- [2007/12/22 v0.97a breqn (MH)]
+ [2008/07/28 v0.98 breqn (MH)]
\documentclass{ltxdoc}
\CodelineIndex
\EnableCrossrefs
@@ -230,7 +230,7 @@ and the derived files
% \fi
%
% \title{The \pkg{breqn} package}
-% \date{2007/12/22 v0.97a}
+% \date{2008/07/28 v0.98}
% \author{Morten H\o gholm \\\texttt{mh.ctan@gmail.com}}
%
% \maketitle
@@ -648,6 +648,7 @@ and the derived files
% \begin{verbatim}
% \begin{dmath}[style={\small}]
% \begin{dmath}[number={BV}]
+% \begin{dmath}[labelprefix={eq:}]
% \begin{dmath}[label={xyz}]
% \begin{dmath}[relindent={1em}]
% \begin{dmath}[compact]
@@ -674,7 +675,9 @@ and the derived files
% \end{verbatim}
%
% Use of the normal \cs{label} command instead of the \opt{label} option
-% works, I think, most of the time (untested).
+% works, I think, most of the time (untested). \opt{labelprefix} prepends
+% its argument to the label (only useful as a global option, really),
+% and must be called before \opt{label}.
%
% Use the \opt{relindent} option to specify something other than the
% default amount for the indention of relation symbols. The default is
@@ -1005,7 +1008,7 @@ and the derived files
%
% Declare package name and date.
% \begin{macrocode}
-\ProvidesPackage{breqn}[2007/12/22 v0.97a]
+\ProvidesPackage{breqn}[2008/07/28 v0.98]
% \end{macrocode}
%
%
@@ -1171,7 +1174,6 @@ and the derived files
% \begin{macrocode}
\newcount\maxint \maxint=2147483647
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -1185,7 +1187,6 @@ and the derived files
\let\int@b=\@tempcntb
\let\int@c=\count@
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
% \end{macro}
@@ -1207,7 +1208,6 @@ and the derived files
\let\dim@e\dimen@ii
\let\dim@A\dimen@i
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
% \end{macro}
@@ -1226,7 +1226,6 @@ and the derived files
\let\skip@b\@tempskipb
\let\skip@c\skip@
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
% \end{macro}
@@ -1248,7 +1247,6 @@ and the derived files
\toksdef\toks@e=6
\toksdef\toks@f=8
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
% \end{macro}
@@ -1291,7 +1289,6 @@ and the derived files
% \begin{macrocode}
\def\@ifnexta{\ifx\@tempc\@tempd \let\@tempb\@tempa \fi \@tempb}
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
%
@@ -1323,7 +1320,6 @@ and the derived files
% \begin{macrocode}
\def\@optarg#1#2{\@ifnext[{#1}{#1[#2]}}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -1360,7 +1356,6 @@ and the derived files
% \begin{macrocode}
\def\freeze@glue#1{#11#1\relax}
% \end{macrocode}
-%
% \end{macro}
% \begin{macro}{\z@rule}
% \begin{macro}{\keep@glue}
@@ -1749,7 +1744,6 @@ and the derived files
\newmuskip \Dmedmuskip \Dmedmuskip=4mu minus 3mu % medmuskip in displays
\newmuskip \Dthickmuskip \Dthickmuskip=5mu minus 2mu % thickmuskip in displays
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
% \end{macro}
@@ -1861,7 +1855,6 @@ and the derived files
% \begin{macrocode}
\def\eq@overrun{0pt}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -2024,7 +2017,6 @@ and the derived files
\mskip\thickmuskip \@@vadjust{\penalty\tw@}\penalty-\@Mi\@@vadjust{}%
}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -2113,7 +2105,6 @@ and the derived files
\let\m@@symDeB\@symDeB
\let\m@@symDeA\@symDeA
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
% \end{macro}
@@ -2201,7 +2192,6 @@ and the derived files
\let\left\@@left \let\right\@@right
}
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
%
@@ -2239,11 +2229,20 @@ and the derived files
% Options for the \env{dmath} and \env{dmath*}
% environments.
% \begin{literalcode}
-% \begin{dmath}[label={xyz}]
+% \begin{dmath}[label={eq:xyz}]
+% \begin{dmath}[labelprefix={eq:},label={xyz}]
% \end{literalcode}
+% WSPR: added the option for a label prefix, designed to be used in the preamble like so:
+% \begin{literalcode}
+% \setkeys{breqn}{labelprefix={eq:}}
+% \end{literalcode}
% \begin{macrocode}
-\define@key{breqn}{label}{\def\next@label{\label{#1}}}
+\define@key{breqn}{label}{%
+ \edef\next@label{\noexpand\label{\next@label@pre#1}}%
+ \let\next@label@pre\@empty}
+\define@key{breqn}{labelprefix}{\def\next@label@pre{#1}}
\global\let\next@label\@empty
+\global\let\next@label@pre\@empty
% \end{macrocode}
% Allow a variant number.
% \begin{literalcode}
@@ -2862,7 +2861,6 @@ and the derived files
%
%
% \begin{macro}{\peek@branch}
-%
% This is a generalized \dquoted{look at next token and choose some action
% based on it} function.
% \begin{macrocode}
@@ -2876,7 +2874,6 @@ and the derived files
}
\lowercase{\def\peek@skip@space} {\futurelet\@let@token\peek@a}%
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -2954,7 +2951,6 @@ and the derived files
\end{#2}%
}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -2993,15 +2989,14 @@ and the derived files
% \begin{macrocode}
\def\check@punct@or@qed#1{%
\xdef\found@punct{\@empty}% BRM: punctuation was being remembered past this eqn.
+ % WSPR: err, why isn't that just \global\let\found@punct\@empty ?
\def\finish@end{\csname end@#1\endcsname\latex@end{#1}}%
\check@punct
}
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
%
-%
% \begin{macro}{\eqpunct}
% User-settable function for handling
% the punctuation at the end of an equation. You could, for example,
@@ -3009,10 +3004,8 @@ and the derived files
% \begin{macrocode}
\newcommand\eqpunct[1]{\thinspace#1}
% \end{macrocode}
-%
% \end{macro}
%
-%
% \begin{macro}{\set@label}
% \cs{set@label} just sets \cs{@currentlabel} but it
% takes the counter as an argument, in the hope that \latex will some
@@ -3021,10 +3014,8 @@ and the derived files
% \begin{macrocode}
\providecommand\set@label[2]{\protected@edef\@currentlabel{#2}}
% \end{macrocode}
-%
% \end{macro}
%
-%
% \begin{macro}{\eq@topspace}
% \begin{macro}{\eq@botspace}
% The action of \cs{eq@topspace} is complicated by the
@@ -3147,7 +3138,6 @@ and the derived files
% \end{macro}
% \end{macro}
%
-%
% \begin{macro}{\eq@resume@parshape}
% This should calculate the total height of the equation,
% including space above and below, and set prevgraf to the number it would
@@ -3159,15 +3149,11 @@ and the derived files
% \end{macrocode}
% \end{macro}
%
-%
-%
-%
% \section{Preprocessing the equation body}
% \begin{macro}{\eq@startup}
% Here is the function that initially collects the equation
% material in a box.
%
-%
% \begin{macrocode}
\def\eq@startup{%
\global\let\EQ@hasLHS\@False
@@ -3466,7 +3452,6 @@ and the derived files
% \begin{macrocode}
\global\let\EQ@afterspace\@empty
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
%
@@ -3928,7 +3913,6 @@ and the derived files
%
%
% \begin{macro}{\eq@trial}
-%
% The \cs{eq@trial} function tries each candidate
% line width in \cs{eq@linewidths} until an equation layout is found
% that yields satisfactory line breaks.
@@ -4024,7 +4008,6 @@ and the derived files
\begingroup #1%
}
% \end{macrocode}
-%
% \end{macro}
% \begin{macro}{\eq@failout}
%
@@ -4035,7 +4018,6 @@ and the derived files
\global\let\EQ@trial\EQ@last@trial
}
% \end{macrocode}
-%
% \end{macro}
% \begin{macro}{\eq@trial@save}
%
@@ -4069,7 +4051,6 @@ and the derived files
}%
}
% \end{macrocode}
-%
% \end{macro}
% \begin{macro}{\eq@trial@b}
%
@@ -4078,7 +4059,6 @@ and the derived files
% \begin{macrocode}
\def\eq@trial@b{\eq@trial@c}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -4118,7 +4098,6 @@ and the derived files
\endgroup
}
% \end{macrocode}
-%
% \end{macro}
% \begin{macro}{\eq@trial@d}
% \begin{macrocode}
@@ -4127,7 +4106,6 @@ and the derived files
% \end{macro}
%
% \begin{macro}{\eq@check@density}
-%
% \begin{macrocode}
\def\eq@check@density{%
%<trace> \breqn@debugmsg{Checking density for layout L}%
@@ -4139,17 +4117,15 @@ and the derived files
\fi\fi
}
% \end{macrocode}
-%
% \end{macro}
%
% \begin{macro}{\eq@shortLHS}
-%
% Test to see if we need to apply the \cs{eq@dense@enough} test.
% \begin{macrocode}
\def\eq@shortLHS{\ifdim\eq@wdL>.44\eq@wdT 1\else 0\fi 0}
% \end{macrocode}
-%
% \end{macro}
+%
%\verb|\def\eq@shortLHS{\@False}|
%========================================
% \begin{macro}{\eq@trial@p}
@@ -4171,18 +4147,16 @@ and the derived files
%<trace> \debug@showmeasurements
}
% \end{macrocode}
-%
% \end{macro}
%
%
% \begin{macro}{\adjust@rel@penalty}
-%
% Normally this is a no-op.
% \begin{macrocode}
\let\adjust@rel@penalty\@empty
% \end{macrocode}
-%
% \end{macro}
+%
% \begin{macro}{\eq@fix@lastline}
% Remove parfillskip from the last line box.
% \begin{macrocode}
@@ -4198,10 +4172,9 @@ and the derived files
}%
}
% \end{macrocode}
-%
% \end{macro}
-% \begin{macro}{\eq@recalc}
-%
+%
+% \begin{macro}{\eq@recalc}
% Calculate \cs{eq@wdT} et cetera.
% \begin{macrocode}
\def\eq@recalc{%
@@ -4209,12 +4182,10 @@ and the derived files
\let\@elt\eq@recalc@a \eq@measurements \let\@elt\relax
}
% \end{macrocode}
-%
% \end{macro}
%
%
% \begin{macro}{\eq@recalc@a}
-%
% \begin{macrocode}
\def\eq@recalc@a#1x#2+#3\@endelt{%
\eq@firstht#2\relax
@@ -4222,12 +4193,10 @@ and the derived files
\@elt#1x#2+#3\@endelt
}
% \end{macrocode}
-%
% \end{macro}
%
%
% \begin{macro}{\eq@recalc@b}
-%
% \begin{macrocode}
\def\eq@recalc@b#1X#2,#3x#4+#5@#6\@endelt{%
\setlength\dim@a{#2+#3}%
@@ -4241,16 +4210,14 @@ and the derived files
\ifnum#6>\eq@badness \eq@badness#6\relax\fi
}
% \end{macrocode}
-%
% \end{macro}
-% \begin{macro}{\eq@layout}
-%
+%
+% \begin{macro}{\eq@layout}
% A value of \verb"?" for \cs{eq@layout} means that we should
% deduce which layout to use by looking at the size of the components.
% Any other value means we have a user-specified override on the
% layout.
%
-%
% Layout Definitions.
% Based on initial equation measurements, we can choose a sequence of
% candidate parshapes that the equation might fit into.
@@ -4264,7 +4231,6 @@ and the derived files
%
%
% \begin{macro}{\eq@try@layout@?}
-%
% This is a branching function used to choose a suitable layout if
% the user didn't specify one in particular.
%
@@ -4337,7 +4303,6 @@ and the derived files
% \end{macro}
%
% \begin{macro}{\eq@try@layout@D}
-%
% Change the penalty before the first mathrel symbol to encourage a
% break there.
%
@@ -4384,7 +4349,6 @@ and the derived files
% \end{macro}
%
% \begin{macro}{\eq@try@layout@S}
-%
% In the \dquoted{stepped} layout there is no LHS, or LHS
% is greater than the line width and RHS is small.
% Then we want to split up the equation into lines of roughly equal
@@ -4438,7 +4402,6 @@ and the derived files
% \end{macro}
%
% \begin{macro}{\eq@try@layout@l}
-%
% This is the \dquoted{step-ladder} layout: similar to the drop-ladder
% layout but the LHS is too wide and needs to be broken up.
%
@@ -4463,11 +4426,9 @@ and the derived files
\eq@trial@b{l}{\eq@try@layout@A}%
}
% \end{macrocode}
-%
% \end{macro}
%
% \begin{macro}{\eq@try@layout@A}
-%
% In the \dquoted{almost-columnar} layout, which is the layout of last
% resort, we let all lines run to the full width and leave the adjusting
% of the indents to later.
@@ -4481,15 +4442,14 @@ and the derived files
\if\EQ@hasLHS \def\adjust@rel@penalty{\penalty-99 }\fi
\eq@trial@b{A}{}%
}
-% \end{macrocode}
-%
+% \end{macrocode}
% \end{macro}
+%
% \begin{macro}{\eq@shiftnumber}
% MH: Should be moved to a section where all keys are set to defaults.
% \begin{macrocode}
\let\eq@shiftnumber\@False
% \end{macrocode}
-%
% \end{macro}
%
% \begin{macro}{\eq@retry@with@number@a}
@@ -4587,8 +4547,8 @@ and the derived files
}
% \end{macrocode}
% \end{macro}
+%
% \begin{macro}{\adjust@parshape}
-%
% Varies depending on the layout.
%
% Adjust a parshape variable for a given set of left\textbar right skips.
@@ -4602,13 +4562,11 @@ and the derived files
\edef#1{\temp@a}%
}
% \end{macrocode}
-%
% \end{macro}
%
%
% \begin{macro}{\adjust@parshape@a}
% \begin{macro}{\adjust@parshape@b}
-%
% \begin{macrocode}
\def\adjust@parshape@a#1 #2\relax{%
\setlength\dim@a{\leftskip+\rightskip}%
@@ -4631,8 +4589,8 @@ and the derived files
% \end{macrocode}
% \end{macro}
% \end{macro}
-% \begin{macro}{\eq@ml@record@indents}
-%
+%
+% \begin{macro}{\eq@ml@record@indents}
% Plunk the parshape's indent values into an array for easy access
% when constructing \cs{eq@measurements}.
% \begin{macrocode}
@@ -4649,24 +4607,19 @@ and the derived files
\@xp\@tempc\@parshape
}
% \end{macrocode}
-%
% \end{macro}
%
-%
% \begin{macro}{\@endelt}
-%
% This is a scan marker.
% It should get a non-expandable definition.
% It could be \cs{relax}, but let's try a chardef instead.
% \begin{macrocode}
\chardef\@endelt=`\?
% \end{macrocode}
-%
% \end{macro}
%
%
% \begin{macro}{\eq@measurements}
-%
% This is similar to a parshape spec but for each line we record more
% info: space above, indent, width x height + dp, and badness.
% \begin{macrocode}
@@ -4675,7 +4628,6 @@ and the derived files
...
}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -4697,7 +4649,6 @@ and the derived files
\eq@ml@a \eq@ml@continue
}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -4745,7 +4696,6 @@ and the derived files
\ifnum\eq@curline=\z@ \let\eq@ml@continue\relax\fi
}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -4758,7 +4708,6 @@ and the derived files
\ifdim\lastskip=\z@ \else \@xp\eq@ml@vspace \fi
}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -4778,7 +4727,6 @@ and the derived files
\fi
}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -4854,7 +4802,6 @@ and the derived files
%
%
% \begin{macro}{\eq@dense@enough@b}
-%
% This is an approximate calculation used to keep from going over
% \cs{maxdimen} if the number of lines in our trial break is large
% enough to make that a threat.
@@ -4880,15 +4827,12 @@ and the derived files
\ifdim\dim@b<\dim@c \true@true@true \else \false@true@false \fi
}
% \end{macrocode}
-%
% \end{macro}
%
% \begin{macro}{\eq@parshape}
-%
% \begin{macrocode}
\let\eq@parshape\@empty
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -5006,13 +4950,9 @@ and the derived files
% \cs{intereqskip} if the math expressions are (vertically) smaller
% than the tag.
%
-%
-%
-%
% \section{Centered Right-Number Equations}
%
% \begin{macro}{\eq@dump@box}
-%
% \arg1 might be \cs{unhbox} or \cs{unhcopy}; \arg2 is
% the box name.
% \begin{macrocode}
@@ -5032,23 +4972,16 @@ and the derived files
\adjust@rel@penalty \unhbox\f@ur
}
% \end{macrocode}
-%
% \end{macro}
%
-%
-%
% Various typesetting bits, invoked from \cs{eq@finish}
% BRM: This has been extensively refactored from the original breqn,
% initially to get left\textbar right skips and parshape used consistently,
% ultimately to get most things handled the same way, in the same order.
%
-%
-%
% Given that left and right skips have been set,
% typeset the frame, number and equation with the
% given number side and placement
-%
-%
%
% \begin{macrocode}
\def\eq@typeset@Unnumbered{%
@@ -5143,7 +5076,7 @@ and the derived files
%
% Set left \& right skips for centered equations,
% making allowances for numbers (if any, right, left) and constraint.
-% ===
+%
% Amazingly, I've managed to collect all the positioning logic for
% centered equations in one place, so it's more manageable.
% Unfortunately, by the time it does all it needs to do,
@@ -5349,9 +5282,6 @@ and the derived files
}
% \end{macrocode}
%
-%
-%
-%
% \section{Delimiter handling}
% The special handling of delimiters is rather complex, but
% everything is driven by two motives: to mark line breaks inside
@@ -5393,7 +5323,6 @@ and the derived files
% \mathrel{\@@left \delimiter... \vrule...\@@right.}
% \end{literalcode}
%
-%
% First save the primitive meanings of \cs{left} and
% \cs{right}.
% \begin{macrocode}
@@ -5401,7 +5330,6 @@ and the derived files
\@saveprimitive\right\@@right
% \end{macrocode}
%
-%
% The variable \cs{lr@level} is used by the first mathrel in
% an equation to tell whether it is at top level: yes? break and measure
% the LHS, no? keep going.
@@ -5409,7 +5337,6 @@ and the derived files
\newcount\lr@level
% \end{macrocode}
%
-%
% It would be nice to have better error checking here if the
% argument is not a delimiter symbol at all.
% \begin{macrocode}
@@ -5433,7 +5360,6 @@ and the derived files
\def\eq@nullright#1{\@@right#1\after@close}
% \end{macrocode}
%
-%
% Here is the normal operation of \cs{biggl}, for example.
% \begin{literalcode}
% \biggl ->\mathopen \bigg
@@ -5530,7 +5456,6 @@ and the derived files
% \begin{macrocode}
\let\m@@DeA\m@DeA\let\d@@DeA\m@DeA%
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
% \end{macro}
@@ -5585,7 +5510,6 @@ and the derived files
\ifnum\lr@level<\@ne \eq@binoffset=\eqbinoffset\relax \fi
}
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
% \end{macro}
@@ -5868,7 +5792,6 @@ and the derived files
\DeclareTwang{)}{-.33}
\DeclareTwang{\rbrace}{-.25}
% \end{macrocode}
-%
% \end{macro}
%
%
@@ -6078,7 +6001,6 @@ and the derived files
\let\grp@eqs@numbered\@False
\let\grp@aligned\@True
% \end{macrocode}
-%
% \end{macro}
% \end{macro}
%
@@ -6532,42 +6454,35 @@ and the derived files
% In a series of conditions, use less space between members of the
% series than between the conditions and the main equation body.
%
-% BRM: Some modifications here, since I like for the condition
-% to go flush right. (thus, it also affects centering, margins, etc)
+% WSPR: tidied/fixed things up as it made sense to me but might have
+% broken something else!
% \begin{macrocode}
\newskip\conditionsep \conditionsep=10pt minus5pt%
\newcommand{\conditionpunct}{,}
-\let\cond@gobble\@firstofone
+% \end{macrocode}
+% \begin{macro}{\condition}
+% \begin{macrocode}
\newcommand\condition{%
\begingroup\@tempswatrue
- \@ifstar{\@tempswafalse \condition@a}\condition@a
-}
+ \@ifstar{\@tempswafalse \condition@a}{\condition@a}}
+% \end{macrocode}
+% \end{macro}
+% \begin{macro}{\condition@a}
+% \begin{macrocode}
\newcommand\condition@a[2][\conditionpunct]{%
\unpenalty\unskip\unpenalty\unskip % BRM Added
\hbox{#1}%
\penalty -201\relax\hbox{}% Penalty to allow breaks here.
\hskip\conditionsep
- \if@tempswa \@xp\hbox \else \@xp\condition@b\fi
- {#2}%
- \endgroup
+ \setbox\z@\if@tempswa\hbox{#2}\else\hbox{$\textmath@setup #2$}\fi
% \end{macrocode}
-% BRM: Testing if I can measure conditions?
+% BRM's layout is achieved with this line commented out but it has the nasty side-effect of shifting the equation number to the next line:
% \begin{macrocode}
- \setbox\z@\if@tempswa\hbox{#2}\else\hbox{\textmath@setup #2}\fi
- \global\eq@wdCond\wd\z@
- \let\cond@gobble\@gobble
-}
-% \end{macrocode}
-% For a math condition.
-% This is called inside a group so we don't need extra grouping to
-% localize the effect of \cs{textmath@setup} which turns off the
-% line-breaking features of bin, rel, and delimiter symbols.
-% \begin{macrocode}
-\newcommand\condition@b[1]{%
- \cond@gobble{\hskip\conditionsep}%
- \textmath@setup #1%
-}
+% \global\eq@wdCond\wd\z@
+ \usebox\z@
+ \endgroup}
% \end{macrocode}
+% \end{macro}
%
% The \env{dsuspend} environment. First the old one that didn't work.
% \begin{macrocode}
@@ -6677,7 +6592,6 @@ and the derived files
\def\@nref#1#2{\ifx\relax#1??\else \@xp\@firstoftwo#1\fi}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% \end{macrocode}
-%
% \end{macro}
%
%