Released v1.99.1.

[ucwmac.git] / ucwmac2.tex

diff --git a/ucwmac2.tex b/ucwmac2.tex
index 90dd753bb86c4967614e6d4f7b881c7f601ac779..cb713d962067386d8c7bbe5594187e56eb8426d9 100644 (file)
--- a/ucwmac2.tex
+++ b/ucwmac2.tex
@@ -24,7 +24,7 @@
        \pdfpkresolution=600    % Provide a reasonable default
 \fi\fi
 
-\ifx\directlua\undefined\else
+\ifx\luatexversion\undefined\else
        % In LuaTeX \pdfpkresolution is not enough
        \directlua{kpse.init_prog("luatex", 600, "ljfour")}
 \fi
@@ -44,6 +44,15 @@
 \def\sdef#1{\expandafter\def\csname#1\endcsname}
 \def\slet#1#2{\expandafter\let\csname#1\expandafter\endcsname\csname#2\endcsname}
 
+% Assign a control sequence given as a string, complain if it is not defined.
+\def\sget#1#2{\ifcsname#2\endcsname
+               \expandafter\let\expandafter#1\csname#2\endcsname
+       \else
+               \errmessage{Undefined control sequence #2}%
+               \let#1\relax
+       \fi
+}
+
 % Add \protected to an existing macro
 \def\addprotected#1{\protected\edef#1{\expandafter\unexpanded\expandafter{#1}}}
 
@@ -57,8 +66,9 @@
 % If you modify these registers, call \setuppage afterwards
 \ifx\luatexversion\undefined
        % In LuaTeX, \pagewidth and \pageheight are primitive
-       \newdimen\pagewidth
-       \newdimen\pageheight
+       % (also, we need \csname here, because \newdimen is \outer)
+       \csname newdimen\endcsname\pagewidth
+       \csname newdimen\endcsname\pageheight
 \fi
 \newdimen\leftmargin
 \newdimen\rightmargin
@@ -218,6 +228,33 @@
 
 % Usage:
 %
+% \list{style}
+% \:first item
+% \:second item
+% \endlist
+%
+% Available styles (others can be defined by \sdef{item:<style>}{<marker>})
+%
+%      o               % bullet
+%      O               % empty circle
+%      *               % asterisk
+%      -               % en-dash
+%      .               % dot
+%      n               % 1, 2, 3
+%      i               % i, ii, iii
+%      I               % I, II, III
+%      a               % a, b, c
+%      A               % A, B, C
+%      g               % α, β, γ
+%
+% Meta-styles (can be used to modify an arbitrary style, currently hard-wired)
+%
+%      #.              % with a dot behind
+%      #)              % with a parenthesis behind
+%      (#)             % enclosed in parentheses
+%
+% Historic usage:
+%
 % \itemize\ibull       % or other marker
 % \:first item
 % \:second item
@@ -275,17 +312,72 @@
 
 \def\inititemize{\begingroup\preitemize\itemstrue\parindent=0pt}
 
-\def\itemize#1{\inititemize\setbox\itembox\llap{#1\hskip\itemmarkerskip}%
-\let\:=\singleitem}
+\def\list#1{\inititemize\itemcount=0\liststyle{#1}\let\:=\listitem}
+\def\listitem{\par\leavevmode\advance\itemcount by 1
+       \llap{\listmarker\hskip\itemmarkerskip}\ignorespaces}
 
-\def\singleitem{\par\leavevmode\copy\itembox\ignorespaces}
+\def\liststyle#1{%
+       \edef\markertmp{#1}
+       \ifcsname item:\markertmp\endcsname
+               \sget\listmarker{item:\markertmp}%
+       \else
+               \sget\listmarker{metaitem:\markertometa#1^^X}%
+               \sget\markerinner{item:\markertoinner#1^^X}%
+       \fi
+}
+
+\def\markertometa#1{%
+       \ifx#1^^X%
+       \else
+               \ifx#1((%
+               \else\ifx#1))%
+               \else\ifx#1..%
+               \else=%
+               \fi\fi\fi
+               \expandafter\markertometa
+       \fi
+}
+
+\def\markertoinner#1{%
+       \ifx#1^^X%
+       \else
+               \ifx#1(%
+               \else\ifx#1)%
+               \else\ifx#1.%
+               \else#1%
+               \fi\fi\fi
+               \expandafter\markertoinner
+       \fi
+}
 
 \def\endlist{\par\endgroup\postitemize}
 
-% Markers for \itemize
-\def\ibull{\raise0.2ex\hbox{$\bullet$}}
-\def\idot{\raise0.2ex\hbox{$\cdot$}}
-\def\istar{\raise0.2ex\hbox{$\ast$}}
+% List styles
+\sdef{item:o}{\raise0.2ex\hbox{$\bullet$}}
+\sdef{item:O}{\raise0.2ex\hbox{$\circ$}}
+\sdef{item:*}{\raise0.2ex\hbox{$\ast$}}
+\sdef{item:-}{--}
+\sdef{item:.}{\raise0.2ex\hbox{$\cdot$}}
+\sdef{item:n}{\the\itemcount}
+\sdef{item:i}{\romannumeral\itemcount}
+\sdef{item:I}{\uppercase\expandafter{\romannumeral\itemcount}}
+\sdef{item:a}{\char\numexpr 96+\itemcount\relax}
+\sdef{item:A}{\char\numexpr 64+\itemcount\relax}
+\sdef{item:g}{$\ifcase\itemcount\or\alpha\or\beta\or\gamma\or\delta\or\epsilon\or
+\zeta\or\eta\or\theta\or\iota\or\kappa\or\lambda\or\mu\or\nu\or\xi\or\pi\or\rho
+\or\sigma\or\tau\or\upsilon\or\phi\or\chi\or\psi\or\omega\fi$}
+
+% List meta-styles
+\sdef{metaitem:=.}{\markerinner.}
+\sdef{metaitem:=)}{\markerinner)}
+\sdef{metaitem:(=)}{(\markerinner)}
+
+% Old-style lists
+
+\def\itemize#1{\inititemize\setbox\itembox\llap{#1\hskip\itemmarkerskip}%
+\let\:=\singleitem}
+
+\def\singleitem{\par\leavevmode\copy\itembox\ignorespaces}
 
 \def\numlist#1{\inititemize\itemcount=0\let\:=\numbereditem
 \let\itemnumbering=#1}
@@ -293,7 +385,12 @@
 \def\numbereditem{\par\leavevmode\advance\itemcount by 1
 \llap{\itemnumbering\hskip\itemmarkerskip}\ignorespaces}
 
-% Numbering styles for \numlist
+% Old-style markers
+
+\def\ibull{\raise0.2ex\hbox{$\bullet$}}
+\def\idot{\raise0.2ex\hbox{$\cdot$}}
+\def\istar{\raise0.2ex\hbox{$\ast$}}
+
 \def\nnorm{\the\itemcount}
 \def\ndotted{\nnorm.}
 \def\nparen{\nnorm)}