diff --git a/mo/tex/ucw-luaofs.tex b/mo/tex/ucw-luaofs.tex
new file mode 100644
index 0000000000000000000000000000000000000000..5008bea7902a68ebe51f816385e9f918ae9b22aa
--- /dev/null
+++ b/mo/tex/ucw-luaofs.tex
@@ -0,0 +1,216 @@
+\ucwdefmodule{luaofs}
+\ucwdefmodule{ofs}
+
+\input luaotfload.sty
+\input ofs.tex
+\nofontmessages
+
+\ofsputfamlist{^^JLatinModern:}
+
+\def\LMfeat#1{:mode=base;script=latn;+tlig}
+
+%%% LMRoman %%%
+
+\ofsdeclarefamily [LMRoman] {%
+ \loadtextfam lmr;%
+ lmbx;%
+ lmti;%
+ lmbxti;;%
+ \newvariant 8 \sl (Slanted) lmsl;;%
+ \newvariant 9 \bxsl (BoldSlanted) lmbxsl;;%
+ \newvariant a \bo (BoldNormal) lmb;;%
+ \newvariant b \bosl (BoldNormalSlanted) lmbsl;;%
+ \newvariant c \csc (CapsAndSmallCaps) lmcsc;;%
+}
+
+\registertfm lmr - LMRoman10-Regular\LMfeat{}
+\registertfm lmr 0pt-6pt LMRoman5-Regular\LMfeat{}
+\registertfm lmr 6pt-7pt LMRoman6-Regular\LMfeat{}
+\registertfm lmr 7pt-8pt LMRoman7-Regular\LMfeat{}
+\registertfm lmr 8pt-9pt LMRoman8-Regular\LMfeat{}
+\registertfm lmr 9pt-10pt LMRoman9-Regular\LMfeat{}
+\registertfm lmr 10pt-12pt LMRoman10-Regular\LMfeat{}
+\registertfm lmr 12pt-17pt LMRoman12-Regular\LMfeat{}
+\registertfm lmr 17pt-* LMRoman17-Regular\LMfeat{}
+
+\registertfm lmbx - LMRoman10-Bold\LMfeat{}
+\registertfm lmbx 0pt-6pt LMRoman5-Bold\LMfeat{}
+\registertfm lmbx 6pt-7pt LMRoman6-Bold\LMfeat{}
+\registertfm lmbx 7pt-8pt LMRoman7-Bold\LMfeat{}
+\registertfm lmbx 8pt-9pt LMRoman8-Bold\LMfeat{}
+\registertfm lmbx 9pt-10pt LMRoman9-Bold\LMfeat{}
+\registertfm lmbx 10pt-12pt LMRoman10-Bold\LMfeat{}
+\registertfm lmbx 12pt-* LMRoman12-Bold\LMfeat{}
+
+\registertfm lmti - LMRoman10-Italic\LMfeat{}
+\registertfm lmti 0pt-8pt LMRoman7-Italic\LMfeat{}
+\registertfm lmti 8pt-9pt LMRoman8-Italic\LMfeat{}
+\registertfm lmti 9pt-10pt LMRoman9-Italic\LMfeat{}
+\registertfm lmti 10pt-12pt LMRoman10-Italic\LMfeat{}
+\registertfm lmti 12pt-* LMRoman12-Italic\LMfeat{}
+
+\registertfm lmbxti - LMRoman10-BoldItalic\LMfeat{}
+
+\registertfm lmsl - LMRomanSlant10-Regular\LMfeat{}
+\registertfm lmsl 0pt-9pt LMRomanSlant8-Regular\LMfeat{}
+\registertfm lmsl 9pt-10pt LMRomanSlant9-Regular\LMfeat{}
+\registertfm lmsl 10pt-12pt LMRomanSlant10-Regular\LMfeat{}
+\registertfm lmsl 12pt-17pt LMRomanSlant12-Regular\LMfeat{}
+\registertfm lmsl 17pt-* LMRomanSlant17-Regular\LMfeat{}
+
+\registertfm lmbxsl - LMRomanSlant10-Bold\LMfeat{}
+
+\registertfm lmb - LMRomanDemi10-Regular\LMfeat{}
+
+\registertfm lmbsl - LMRomanDemi10-Oblique\LMfeat{}
+
+\registertfm lmcsc - LMRomanCaps10-Regular\LMfeat{}
+
+\setfonts[LMRoman/]
+
+%%% LMSans %%%
+
+\ofsdeclarefamily [LMSans] {%
+ \loadtextfam lmss;%
+ lmssbx;%
+ lmsso;%
+ lmssbo;;%
+}
+
+\registertfm lmss - LMSans10-Regular\LMfeat{}
+\registertfm lmss 0pt-9pt LMSans8-Regular\LMfeat{}
+\registertfm lmss 9pt-10pt LMSans9-Regular\LMfeat{}
+\registertfm lmss 10pt-12pt LMSans10-Regular\LMfeat{}
+\registertfm lmss 12pt-17pt LMSans12-Regular\LMfeat{}
+\registertfm lmss 17pt-* LMSans17-Regular\LMfeat{}
+
+\registertfm lmssbx - LMSans10-Bold\LMfeat{}
+
+\registertfm lmsso - LMSans10-Oblique\LMfeat{}
+\registertfm lmsso 0pt-9pt LMSans8-Oblique\LMfeat{}
+\registertfm lmsso 9pt-10pt LMSans9-Oblique\LMfeat{}
+\registertfm lmsso 10pt-12pt LMSans10-Oblique\LMfeat{}
+\registertfm lmsso 12pt-17pt LMSans12-Oblique\LMfeat{}
+\registertfm lmsso 17pt-* LMSans17-Oblique\LMfeat{}
+
+\registertfm lmssbo - LMSans10-BoldOblique\LMfeat{}
+
+%%% LMSansDC %%%
+
+\ofsdeclarefamily [LMSansDC] {%
+ \loadtextfam lmssdc;%
+ ;%
+ lmssdo;%
+ ;;%
+}
+
+\registertfm lmssdc - LMSansDemiCond10-Regular\LMfeat{}
+
+\registertfm lmssdo - LMSansDemiCond10-Oblique\LMfeat{}
+
+%%% LMMono %%%
+
+\ofsdeclarefamily [LMMono] {%
+ \loadtextfam lmtt;%
+ lmtk;%
+ lmtti;%
+ ;;%
+ \newvariant 8 \sl (Slanted) lmtto;;%
+ \newvariant 9 \bxsl (BoldSlanted) lmtko;;%
+ \newvariant c \csc (CapsAndSmallCaps) lmtcsc;;%
+}
+
+\registertfm lmtt - LMMono10-Regular\LMfeat{}
+\registertfm lmtt 0pt-9pt LMMono8-Regular\LMfeat{}
+\registertfm lmtt 9pt-10pt LMMono9-Regular\LMfeat{}
+\registertfm lmtt 10pt-12pt LMMono10-Regular\LMfeat{}
+\registertfm lmtt 12pt-* LMMono12-Regular\LMfeat{}
+
+\registertfm lmtk - LMMonoLt10-Bold\LMfeat{}
+
+\registertfm lmtti - LMMono10-Italic\LMfeat{}
+
+\registertfm lmtto - LMMonoSlant10-Regular\LMfeat{}
+
+\registertfm lmtko - LMMonoLt10-BoldOblique\LMfeat{}
+
+\registertfm lmtcsc - LMMonoCaps10-Regular\LMfeat{}
+
+\newfam\ttfam
+\loadmathfam\ttfam[/LMMono10-Regular\LMfeat{}]
+
+%%% LMMonoCondensed %%%
+
+\ofsdeclarefamily [LMMonoCondensed] {%
+ \loadtextfam lmtlc;%
+ ;%
+ lmtlco;%
+ ;;%
+}
+
+\registertfm lmtlc - LMMonoLtCond10-Regular\LMfeat{}
+
+\registertfm lmtlco - LMMonoLtCond10-Oblique\LMfeat{}
+
+%%% UCW extensions %%%
+
+\ofsputfamlist{^^JUCW:}
+
+\ofsdeclarefamily [BlackboardBold] {%
+ \loadtextfam bbm;%
+ ;%
+ ;%
+ ;\defaultextraenc;%
+}
+
+\registertfm bbm - bbm10
+\registertfm bbm 0pt-6pt bbm5
+\registertfm bbm 6pt-7pt bbm6
+\registertfm bbm 7pt-8pt bbm7
+\registertfm bbm 8pt-9pt bbm8
+\registertfm bbm 9pt-10pt bbm9
+\registertfm bbm 10pt-12pt bbm10
+\registertfm bbm 12pt-17pt bbm12
+\registertfm bbm 17pt-* bbm17
+
+% \bb - blackboard bold math font
+
+\newfam\bbfam
+\def\bb{\fam\bbfam}
+
+\def\loadbbm{%
+ \loadmathfam\bbfam[/bbm]%
+}
+\loadbbm
+
+%%% Font size switches %%%
+
+% Recalculate line spacing for a given point size of the font (assuming CM-like metrics).
+% Also sets \strut and \topskip.
+\def\setbaselines#1{%
+ \dimen0=1pt
+ \dimen0=#1\dimen0
+ \normalbaselineskip=1.2\dimen0
+ \normallineskip=0.1\dimen0
+ \setbox\strutbox=\hbox{\vrule height 0.85\dimen0 depth 0.35\dimen0 width 0pt}%
+ \topskip=1\dimen0
+ \normalbaselines
+}
+
+% Switch to a specified font size (including math, line spacing etc.)
+\def\settextsize#1{%
+ \def\fomenc{CM}%
+ \setfonts[/#1]%
+ \setmath[//]%
+ \setbaselines{#1}%
+ \loadbbm
+}
+\def\twelvepoint{\settextsize{12}}
+
+%%% Various hacks %%%
+
+% Re-define \tt, so that it works in both text and math mode
+\def\tt{\ifmmode\fam\ttfam\else\setfonts[LMMono/]\fi}
+
+% Re-define ucwmac's \fontfont
+\let\footfont=\tenrm
diff --git a/mo/tex/ucwmac2.tex b/mo/tex/ucwmac2.tex
new file mode 100644
index 0000000000000000000000000000000000000000..1c29317c8073e402da2f2bca4b07597d72a03f2d
--- /dev/null
+++ b/mo/tex/ucwmac2.tex
@@ -0,0 +1,503 @@
+% The UCW Macro Collection (a successor of mjmac.tex)
+% Written by Martin Mares <mj@ucw.cz> in 2010--2018 and placed into public domain
+% -------------------------------------------------------------------------------
+
+\ifx\ucwmodule\undefined\else\endinput\fi
+
+%%% Prolog %%%
+
+% We'll use internal macros of plain TeX
+\catcode`@=11
+
+\ifx\eTeXversion\undefined
+\errmessage{ucwmac requires the e-TeX engine or its successor}
+\fi
+
+%%% PDF output detection %%%
+
+\newif\ifpdf
+\pdffalse
+
+\ifx\pdfoutput\undefined
+\else\ifnum\pdfoutput>0
+ \pdftrue
+ \pdfpkresolution=600 % Provide a reasonable default
+\fi\fi
+
+\ifx\luatexversion\undefined\else
+ % In LuaTeX \pdfpkresolution is not enough
+ \directlua{kpse.init_prog("luatex", 600, "ljfour")}
+\fi
+
+%%% Temporary registers %%%
+
+\newcount\tmpcount
+\newdimen\tmpdimen
+
+%%% Auxiliary macros %%%
+
+% Prepend/append #2 to the definition of #1
+\long\def\prependef#1#2{\expandafter\def\expandafter#1\expandafter{#2#1}}
+\long\def\appendef#1#2{\expandafter\def\expandafter#1\expandafter{#1#2}}
+
+% Variants of \def and \let, where the control sequence name is given as a string
+\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}}}
+
+% Protect ~
+\addprotected~
+
+\def\ucwwarn#1{\immediate\write16{*** UCWmac warning: #1 ***}}
+
+% Replace all occurrences of #1 in \tmpb by #2.
+% Thanks to Petr Olsak's OPmac for an efficient implementation.
+\bgroup \catcode`!=3 \catcode`?=3
+\gdef\replacestrings#1#2{\long\def\replacestringsA##1#1{\def\tmpb{##1}\replacestringsB}%
+ \long\def\replacestringsB##1#1{\ifx!##1\relax \else\appendef\tmpb{#2##1}%
+ \expandafter\replacestringsB\fi}%
+ \expandafter\replacestringsA\tmpb?#1!#1%
+ \long\def\replacestringsA##1?{\def\tmpb{##1}}\expandafter\replacestringsA\tmpb
+}
+\egroup
+
+%%% Page size and margins %%%
+
+% If you modify these registers, call \setuppage afterwards
+\ifx\luatexversion\undefined
+ % In LuaTeX, \pagewidth and \pageheight are primitive
+ % (also, we need \csname here, because \newdimen is \outer)
+ \csname newdimen\endcsname\pagewidth
+ \csname newdimen\endcsname\pageheight
+\fi
+\newdimen\leftmargin
+\newdimen\rightmargin
+\newdimen\topmargin
+\newdimen\bottommargin
+\newdimen\evenpageshift
+
+\def\setuppage{%
+ \hsize=\pagewidth
+ \advance\hsize by -\leftmargin
+ \advance\hsize by -\rightmargin
+ \vsize=\pageheight
+ \advance\vsize by -\topmargin
+ \advance\vsize by -\bottommargin
+ \hoffset=\leftmargin
+ \advance\hoffset by -1truein
+ \voffset=\topmargin
+ \advance\voffset by -1truein
+ \ifpdf
+ \pdfhorigin=1truein
+ \pdfvorigin=1truein
+ \ifx\luatexversion\undefined
+ \pdfpagewidth=\pagewidth
+ \pdfpageheight=\pageheight
+ \fi
+ \fi
+}
+
+% Set multiple margins to the same value
+\def\sethmargins#1{\leftmargin=#1\relax\rightmargin=#1\relax\evenpageshift=0pt\relax}
+\def\setvmargins#1{\topmargin=#1\relax\bottommargin=#1\relax}
+\def\setmargins#1{\sethmargins{#1}\setvmargins{#1}}
+
+% Define inner/outer margin instead of left/right
+\def\setinneroutermargin#1#2{\leftmargin#1\relax\rightmargin#2\relax\evenpageshift=\rightmargin\advance\evenpageshift by -\leftmargin}
+
+% Use a predefined paper format, calls \setuppage automagically
+\def\setpaper#1{%
+ \expandafter\let\expandafter\currentpaper\csname paper-#1\endcsname
+ \ifx\currentpaper\relax
+ \errmessage{Undefined paper format #1}
+ \fi
+ \currentpaper
+}
+
+% Switch to landscape orientation, calls \setuppage automagically
+\def\landscape{%
+ \dimen0=\pageheight
+ \pageheight=\pagewidth
+ \pagewidth=\dimen0
+ \setuppage
+}
+
+% Common paper sizes
+\def\defpaper#1#2#3{\expandafter\def\csname paper-#1\endcsname{\pagewidth=#2\pageheight=#3\setuppage}}
+\defpaper{a3}{297truemm}{420truemm}
+\defpaper{a4}{210truemm}{297truemm}
+\defpaper{a5}{148truemm}{210truemm}
+\defpaper{letter}{8.5truein}{11truein}
+\defpaper{legal}{8.5truein}{14truein}
+
+% Default page parameters
+\setmargins{1truein}
+\setpaper{a4}
+
+%%% Macros with optional arguments %%%
+
+% After \def\a{\withoptarg\b}, the macro \a behaves in this way:
+% \a[arg] does \def\optarg{arg} and then it expands \b
+% \a does \let\optarg=\relax and then it expands \b
+\def\withoptarg#1{\let\xoptcall=#1\futurelet\next\xopt}
+\def\xopt{\ifx\next[\expandafter\xoptwith\else\let\optarg=\relax\expandafter\xoptcall\fi}
+\def\xoptwith[#1]{\def\optarg{#1}\xoptcall}
+
+% A shortcut for defining macros with optional arguments:
+% \optdef\macro behaves as \def\domacro, while \macro itself is defined
+% as a wrapper calling \domacro using \withoptarg.
+\def\optdef#1{%
+ \edef\xoptname{\expandafter\eatbackslash\string#1}%
+ \edef#1{\noexpand\withoptarg\csname do\xoptname\endcsname}%
+ \expandafter\def\csname do\xoptname\endcsname
+}
+
+% Trick: \eatbackslash eats the next backslash of category 12
+\begingroup\lccode`\+=`\\
+\lowercase{\endgroup\def\eatbackslash+{}}
+
+% Expand to the optional argument if it exists
+\def\optargorempty{\ifx\optarg\relax\else\optarg\fi}
+
+%%% Placing material at specified coordinates %%%
+
+% Set all dimensions of a given box register to zero
+\def\smashbox#1{\ht#1=0pt \dp#1=0pt \wd#1=0pt}
+\long\def\smashedhbox#1{{\setbox0=\hbox{#1}\smashbox0\box0}}
+\long\def\smashedvbox#1{{\setbox0=\vbox{#1}\smashbox0\box0}}
+
+% Variants of \llap and \rlap working equally on both sides and/or vertically
+\def\hlap#1{\hbox to 0pt{\hss #1\hss}}
+\def\vlap#1{\vbox to 0pt{\vss #1\vss}}
+\def\clap#1{\vlap{\hlap{#1}}}
+
+% \placeat{right}{down}{hmaterial} places <hmaterial>, so that its
+% reference point lies at the given position wrt. the current ref point
+\long\def\placeat#1#2#3{\smashedhbox{\hskip #1\lower #2\hbox{#3}}}
+
+% Like \vbox, but with reference point in the upper left corner
+\long\def\vhang#1{\vtop{\hrule height 0pt\relax #1}}
+
+% Like \vhang, but respecting interline skips
+\long\def\vhanglines#1{\vtop{\hbox to 0pt{}#1}}
+
+% Crosshair with reference point in its center
+\def\crosshair#1{\clap{\vrule height 0.2pt width #1}\clap{\vrule height #1 width 0.2pt}}
+
+%%% Output routine %%%
+
+\newbox\pageunderlays
+\newbox\pageoverlays
+\newbox\commonunderlays
+\newbox\commonoverlays
+
+% In addition to the normal page contents, you can define page overlays
+% and underlays, which are zero-size vboxes positioned absolutely in the
+% front / in the back of the normal material. Also, there are global
+% versions of both which are not reset after every page.
+\def\addlay#1#2{\setbox#1=\vbox{\ifvbox#1\box#1\fi\nointerlineskip\smashedvbox{#2}}}
+\def\pageunderlay{\addlay\pageunderlays}
+\def\pageoverlay{\addlay\pageoverlays}
+\def\commonunderlay{\addlay\commonoverlays}
+\def\commonoverlay{\addlay\commonoverlays}
+
+% Our variation on \plainoutput, which manages inner/outer margins and overlays
+\output{\ucwoutput}
+\newdimen\pagebodydepth
+\def\ucwoutput{\wigglepage\shipout\vbox{%
+ \makeheadline
+ \ifvbox\commonunderlays\copy\commonunderlays\nointerlineskip\fi
+ \ifvbox\pageunderlays\box\pageunderlays\nointerlineskip\fi
+ \pagebody
+ \pagebodydepth=\prevdepth
+ \nointerlineskip
+ \ifvbox\commonoverlays\vbox to 0pt{\vskip -\vsize\copy\commonoverlays\vss}\nointerlineskip\fi
+ \ifvbox\pageoverlays\vbox to 0pt{\vskip -\vsize\box\pageoverlays\vss}\nointerlineskip\fi
+ \prevdepth=\pagebodydepth
+ \makefootline
+}\advancepageno
+\ifnum\outputpenalty>-\@MM \else\dosupereject\fi}
+
+\def\wigglepage{\ifodd\pageno\else\advance\hoffset by \evenpageshift\fi}
+
+% Make it easier to redefine footline font (also, fix it so that OFS won't change it unless asked)
+\let\footfont=\tenrm
+\footline={\hss\footfont\folio\hss}
+
+%%% Itemization %%%
+
+% 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
+% [#] % enclosed in square brackets
+%
+% Historic usage:
+%
+% \itemize\ibull % or other marker
+% \:first item
+% \:second item
+% \endlist
+%
+% \numlist\ndotted % or other numbering style
+% \:first
+% \:second
+% \endlist
+
+% Default dimensions of itemized lists
+\newdimen\itemindent \itemindent=0.5in
+\newdimen\itemnarrow \itemnarrow=0.5in % make lines narrower by this amount
+\newskip\itemmarkerskip \itemmarkerskip=0.4em % between marker and the item
+\newskip\preitemizeskip \preitemizeskip=3pt plus 2pt minus 1pt % before the list
+\newskip\postitemizeskip \postitemizeskip=3pt plus 2pt minus 1pt % after the list
+\newskip\interitemskip \interitemskip=2pt plus 1pt minus 0.5pt % between two items
+
+% Analogues for nested lists
+\newdimen\nesteditemindent \nesteditemindent=0.25in
+\newdimen\nesteditemnarrow \nesteditemnarrow=0.25in
+\newskip\prenesteditemizeskip \prenesteditemizeskip=0pt
+\newskip\postnesteditemizeskip \postnesteditemizeskip=0pt
+
+\newif\ifitems\itemsfalse
+\newbox\itembox
+\newcount\itemcount
+
+% Penalties
+\newcount\preitemizepenalty \preitemizepenalty=-500
+\newcount\postitemizepenalty \postitemizepenalty=-500
+
+\def\preitemize{
+ \ifitems
+ \vskip\prenesteditemizeskip
+ \advance\leftskip by \nesteditemindent
+ \advance\rightskip by \nesteditemnarrow
+ \else
+ \ifnum\preitemizepenalty=0\else\penalty\preitemizepenalty\fi
+ \vskip\preitemizeskip
+ \advance\leftskip by \itemindent
+ \advance\rightskip by \itemnarrow
+ \fi
+ \parskip=\interitemskip
+}
+
+\def\postitemize{
+ \ifitems
+ \vskip\postnesteditemizeskip
+ \else
+ \ifnum\postitemizepenalty=0\else\penalty\postitemizepenalty\fi
+ \vskip\postitemizeskip
+ \fi
+}
+
+\def\inititemize{\begingroup\preitemize\itemstrue\parindent=0pt}
+
+\def\list#1{\inititemize\itemcount=0\liststyle{#1}\let\:=\listitem}
+\def\listitem{\par\leavevmode\advance\itemcount by 1
+ \llap{\listmarker\hskip\itemmarkerskip}\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\ifx#1]]%
+ \else\ifx#1..%
+ \else=%
+ \fi\fi\fi\fi\fi
+ \expandafter\markertometa
+ \fi
+}
+
+\def\markertoinner#1{%
+ \ifx#1^^X%
+ \else
+ \ifx#1(%
+ \else\ifx#1)%
+ \else\ifx#1[%
+ \else\ifx#1]%
+ \else\ifx#1.%
+ \else#1%
+ \fi\fi\fi\fi\fi
+ \expandafter\markertoinner
+ \fi
+}
+
+\def\endlist{\par\endgroup\postitemize}
+
+% 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)}
+\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}
+
+\def\numbereditem{\par\leavevmode\advance\itemcount by 1
+\llap{\itemnumbering\hskip\itemmarkerskip}\ignorespaces}
+
+% 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)}
+\def\nparenp{(\nnorm)}
+\def\nroman{\romannumeral\itemcount}
+\def\nromanp{\nroman)}
+\def\nalpha{\count@=96\advance\count@ by\itemcount\char\count@)}
+\def\nAlpha{\count@=64\advance\count@ by\itemcount\char\count@)}
+\def\ngreek{$\ifcase\itemcount\or\alpha\or\beta\or\gamma\or\delta\or\epsilon\or
+\zeta\or\eta\or\theta\or\iota\or\kappa\or\lambda\or\mu\or\nu\or\xi\or\pi\or\rho
+\or\sigma\or\tau\or\upsilon\or\phi\or\chi\or\psi\or\omega\fi$)}
+
+%%% Miscellanea %%%
+
+% {\I italic} with automatic italic correction
+\def\I{\it\aftergroup\/}
+
+% A breakable dash, to be repeated on the next line
+\def\={\discretionary{-}{-}{-}}
+
+% Non-breakable identifiers
+\def\<#1>{\leavevmode\hbox{\I #1}}
+
+% Handy shortcuts
+\let\>=\noindent
+\def\\{\hfil\break}
+
+% Variants of \centerline, \leftline and \rightline, which are compatible with
+% verbatim environments and other catcode hacks
+\def\cline{\bgroup\def\linet@mp{\aftergroup\box\aftergroup0\aftergroup\egroup\hss\bgroup\aftergroup\hss\aftergroup\egroup}\afterassignment\linet@mp\setbox0\hbox to \hsize}
+\def\lline{\bgroup\def\linet@mp{\aftergroup\box\aftergroup0\aftergroup\egroup\bgroup\aftergroup\hss\aftergroup\egroup}\afterassignment\linet@mp\setbox0\hbox to \hsize}
+\def\rline{\bgroup\def\linet@mp{\aftergroup\box\aftergroup0\aftergroup\egroup\hss\bgroup\aftergroup\egroup}\afterassignment\linet@mp\setbox0\hbox to \hsize}
+
+% Insert a PDF picture
+% \putimage{width specification}{file}
+\def\putimage#1#2{\hbox{\pdfximage #1{#2}\pdfrefximage\pdflastximage}}
+
+%%% Colors %%%
+
+% Use of pdfTeX color stack:
+% \colorpush\rgb{1 0 0} puts a new color on the stack
+% \colorset\rgb{1 0 0} replaces the top color on the stack
+% \colorpop pops the top color
+% \colorlocal\rgb{1 0 0} set a color locally until the end of the current group
+\chardef\colorstk=\pdfcolorstackinit page direct{0 g 0 G}
+\def\colorset#1{\pdfcolorstack\colorstk set #1}
+\def\colorpush#1{\pdfcolorstack\colorstk push #1}
+\def\colorpop{\pdfcolorstack\colorstk pop}
+\def\colorlocal{\aftergroup\colorpop\colorpush}
+
+% Different ways of describing colors: \rgb{R G B}, \gray{G}, \cmyk{C M Y K}
+% (all components are real numbers between 0 and 1)
+\def\rgb#1{{#1 rg #1 RG}}
+\def\gray#1{{#1 g #1 G}}
+\def\cmyk#1{{#1 k #1 K}}
+
+%%% Localization %%%
+
+% Define a new localized string: \localedef{language}{identifier}{message}
+% (we use \language codes to identify languages)
+\def\localedef#1#2{\tmpcount=#1\expandafter\def\csname loc:\the\tmpcount:#2\endcsname}
+
+% Expand a localized string in the current language: \localemsg{identifier}
+\def\localestr#1{%
+ \ifcsname loc:\the\language:#1\endcsname
+ \csname loc:\the\language:#1\endcsname
+ \else
+ \ucwwarn{Localized string #1 not defined in language \the\language}%
+ ???%
+ \fi
+}
+
+%%% Modules %%%
+
+% Require a module: load it if it is not already loaded
+\def\ucwmodule#1{
+ \ifcsname ucwmod:#1\endcsname
+ \else
+ \input ucw-#1.tex
+ \fi
+}
+
+% Definition of a new module (to be placed at the beginning of its file)
+% (Also guards against repeated loading if somebody uses \input instead of \ucwmodule.)
+\def\ucwdefmodule#1{
+ \ifcsname ucwmod:#1\endcsname\endinput\fi
+ \expandafter\let\csname ucwmod:#1\endcsname=\relax
+}
+
+%%% Epilog %%%
+
+% Let's hide all internal macros
+\catcode`@=12