From: Martin Mares Date: Wed, 27 Jun 2018 08:45:38 +0000 (+0200) Subject: Replaced compatibility levels by ucwmac/ucwmac2 split X-Git-Tag: v1.99~1^2~6 X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=fe3b3efa8adc88c050b8aa106ae32224934570b7;p=ucwmac.git Replaced compatibility levels by ucwmac/ucwmac2 split In the long run, I want to place as small a burden as I can on the users of the most recent version. --- diff --git a/test-labels.tex b/test-labels.tex index 918f457..903569a 100644 --- a/test-labels.tex +++ b/test-labels.tex @@ -1,4 +1,4 @@ -\input ucwmac.tex +\input ucwmac2.tex \ucwmodule{labels} \setuplabels{3}{7} diff --git a/test-ref.tex b/test-ref.tex index 4c05c66..a503c76 100644 --- a/test-ref.tex +++ b/test-ref.tex @@ -1,5 +1,4 @@ -\input ucwmac.tex -\ucwcompat\ucwmaxcompat +\input ucwmac2.tex \ucwmodule{ofs} \ucwmodule{ref} \ucwmodule{pdfmeta} diff --git a/test.tex b/test.tex index 23ea6f3..db93c0c 100644 --- a/test.tex +++ b/test.tex @@ -1,5 +1,4 @@ -\input ucwmac.tex -\ucwcompat\ucwmaxcompat +\input ucwmac2.tex \ucwmodule{ofs} \ucwmodule{verb} \ucwmodule{algo} diff --git a/ucw-luacsplain.ini b/ucw-luacsplain.ini index 8e72155..a06af6d 100644 --- a/ucw-luacsplain.ini +++ b/ucw-luacsplain.ini @@ -57,7 +57,7 @@ \message{Loaded ucw-luacsplain 2018-06}% % These packages do not survive dumping, defer loading to \everyjob \input ltluatex.tex - \input ucwmac.tex + \input ucwmac2.tex \input ucw-luaofs.tex } diff --git a/ucwmac.tex b/ucwmac.tex index a42fe48..0d2c906 100644 --- a/ucwmac.tex +++ b/ucwmac.tex @@ -1,410 +1,6 @@ -% The UCW Macro Collection (a successor of mjmac.tex) -% Written by Martin Mares in 2010--2018 and placed into public domain -% ------------------------------------------------------------------------------- +% Emulate behavior of historic ucwmac -\ifx\ucwmodule\undefined\else\endinput\fi +\input ucwmac2.tex -%%% 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\directlua\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} - -% 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 ***}} - -%%% Page size and margins %%% - -% If you modify these registers, call \setuppage afterwards -\ifx\luatexversion\undefined - % In LuaTeX, \pagewidth and \pageheight are primitive - \newdimen\pagewidth - \newdimen\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 , 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: -% -% \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 (changed at compatibility level 1) -\newcount\preitemizepenalty \preitemizepenalty=0 -\newcount\postitemizepenalty \postitemizepenalty=0 - -\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\itemize#1{\inititemize\setbox\itembox\llap{#1\hskip\itemmarkerskip}% -\let\:=\singleitem} - -\def\singleitem{\par\leavevmode\copy\itembox\ignorespaces} - -\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{$\ast$}} - -\def\numlist#1{\inititemize\itemcount=0\let\:=\numbereditem -\let\itemnumbering=#1} - -\def\numbereditem{\par\leavevmode\advance\itemcount by 1 -\llap{\itemnumbering\hskip\itemmarkerskip}\ignorespaces} - -% Numbering styles for \numlist -\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 -} - -% Compatibility levels -% We try to be backwards compatible as much as we can, so all changes in behavior -% (except for addition of new control sequences) are versioned. By default, ucwmac -% starts in compatibility level 0, which should produce the same results as historic -% versions of ucwmac. Use \ucwcompat{level} to upgrade to a given level, or if you -% do not care about compatibility, \ucwcompat\ucwmaxcompat. - -\chardef\ucwcurrentcompat=0 % Currently active compatibility level -\chardef\ucwmaxcompat=1 % Maximum supported compatibility level - -\def\ucwcompat#1{ - \ucwcurrentcompat=#1 - \ifcase #1 - % Level 0 (default): old ucwmac - \or % Level 1 - \preitemizepenalty=-500 - \postitemizepenalty=-500 - \else\errmessage{Unsupported compatibility level #1 requested.} - \fi -} - -%%% Epilog %%% - -% Let's hide all internal macros -\catcode`@=12 +\preitemizepenalty=0 +\postitemizepenalty=0 diff --git a/ucwmac2.tex b/ucwmac2.tex new file mode 100644 index 0000000..90dd753 --- /dev/null +++ b/ucwmac2.tex @@ -0,0 +1,389 @@ +% The UCW Macro Collection (a successor of mjmac.tex) +% Written by Martin Mares 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\directlua\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} + +% 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 ***}} + +%%% Page size and margins %%% + +% If you modify these registers, call \setuppage afterwards +\ifx\luatexversion\undefined + % In LuaTeX, \pagewidth and \pageheight are primitive + \newdimen\pagewidth + \newdimen\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 , 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: +% +% \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\itemize#1{\inititemize\setbox\itembox\llap{#1\hskip\itemmarkerskip}% +\let\:=\singleitem} + +\def\singleitem{\par\leavevmode\copy\itembox\ignorespaces} + +\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{$\ast$}} + +\def\numlist#1{\inititemize\itemcount=0\let\:=\numbereditem +\let\itemnumbering=#1} + +\def\numbereditem{\par\leavevmode\advance\itemcount by 1 +\llap{\itemnumbering\hskip\itemmarkerskip}\ignorespaces} + +% Numbering styles for \numlist +\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