From ed81e6323e585b4e28ff24d5961e38c2e41691d3 Mon Sep 17 00:00:00 2001 From: Karl Berry Date: Mon, 25 May 2020 21:19:51 +0000 Subject: pwebmac (25may20) git-svn-id: svn://tug.org/texlive/trunk@55277 c570f23f-e606-0410-a88d-b1316a301751 --- Master/texmf-dist/tex/plain/pwebmac/pwebmac.tex | 392 ++++++++++++++++++++++++ 1 file changed, 392 insertions(+) create mode 100644 Master/texmf-dist/tex/plain/pwebmac/pwebmac.tex (limited to 'Master/texmf-dist/tex/plain') diff --git a/Master/texmf-dist/tex/plain/pwebmac/pwebmac.tex b/Master/texmf-dist/tex/plain/pwebmac/pwebmac.tex new file mode 100644 index 00000000000..19fdaa2c4e9 --- /dev/null +++ b/Master/texmf-dist/tex/plain/pwebmac/pwebmac.tex @@ -0,0 +1,392 @@ +% standard macros for WEB listings (in addition to PLAIN.TEX) +% pdfTeX adjustments provided by Han The Thanh . +% XeTeX adjustments provided by Khaled Hosny . +% macro integration \`a la CWEB by Andreas Scherer . +\ifx\renewenvironment\undefined\else\endinput\fi % LaTeX will use other macros +\xdef\fmtversion{\fmtversion+WEBMAC4.5} +\newif\ifpdf +\ifx\pdf+\pdftrue\fi +% Uncomment the following line if you want PDF goodies to be the default +%\ifx\pdf-\else\pdftrue\fi +\def\pdflinkcolor{0 0 1} % the RGB values for hyperlink color +\ifx\undefined\XeTeXlinebreakpenalty\else\pdftrue\fi % XeTeX produces PDF output +\newif\ifpdftex +\ifx\pdfoutput\undefined \pdftexfalse \else\ifnum\pdfoutput=0 \pdftexfalse +\else \pdftextrue \pdfoutput=1 + \def\Black{\pdfliteral{0 g 0 G}} % use rgb colors for direct PDF output too + \def\Blue{\pdfliteral{0 0 1 rg 0 0 1 RG}} +\fi\fi +\newif\ifacro \ifpdf\acrotrue\fi \ifpdftex\acrotrue\fi + +\parskip 0pt % no stretch between paragraphs +\parindent 1em % for paragraphs and for the first line of Pascal text + +\font\eightrm=cmr8 +\let\sc=\eightrm % for smallish caps (NOT a caps-and-small-caps font) +\let\mainfont=\tenrm +\font\titlefont=cmr7 scaled\magstep4 % title on the contents page +\font\ttitlefont=cmtt10 scaled\magstep2 % typewriter type in title +\font\tentex=cmtex10 % TeX extended character set (used in strings) +\fontdimen7\tentex=0pt % no double space after sentences + +\def\\#1{\leavevmode\hbox{\it#1\/\kern.05em}} % italic type for identifiers +\def\|#1{\leavevmode\hbox{$#1$}} % one-letter identifiers look better this way +\def\{\leavevmode\hbox{\bf + \def\_{\kern.04em\vbox{\hrule width.3em height .6pt}\kern.08em}% + #1\/\kern.05em}} % boldface type for reserved words +\def\.#1{\leavevmode\hbox{\tentex % typewriter type for strings + \let\\=\BS % backslash in a string + \let\'=\RQ % right quote in a string + \let\`=\LQ % left quote in a string + \let\{=\LB % left brace in a string + \let\}=\RB % right brace in a string + \let\~=\TL % tilde in a string + \let\ =\SP % space in a string + \let\_=\UL % underline in a string + \let\&=\AM % ampersand in a string + #1}} +\def\#{\hbox{\tt\char`\#}} % parameter sign +\def\${\hbox{\tt\char`\$}} % dollar sign +\def\%{\hbox{\tt\char`\%}} % percent sign +\def\^{\ifmmode\mathchar"222 \else\char`^ \fi} % pointer or hat +% circumflex accents can be obtained from \^^D instead of \^ +\def\AT!{@} % at sign for control text + +\chardef\AM=`\& % ampersand character in a string +\chardef\BS=`\\ % backslash in a string +\chardef\LB=`\{ % left brace in a string +\def\LQ{{\tt\char'22}} % left quote in a string +\chardef\RB=`\} % right brace in a string +\def\RQ{{\tt\char'23}} % right quote in a string +\def\SP{{\tt\char`\ }} % (visible) space in a string +\chardef\TL=`\~ % tilde in a string +\chardef\UL=`\_ % underline character in a string + +\newbox\bak \setbox\bak=\hbox to -1em{} % backspace one em +\newbox\bakk\setbox\bakk=\hbox to -2em{} % backspace two ems + +\newcount\ind % current indentation in ems +\def\1{\global\advance\ind by1\hangindent\ind em} % indent one more notch +\def\2{\global\advance\ind by-1} % indent one less notch +\def\3#1{\hfil\penalty#10\hfilneg} % optional break within a statement +\def\4{\copy\bak} % backspace one notch +\def\5{\hfil\penalty-1\hfilneg\kern2.5em\copy\bakk\ignorespaces}% optional break +\def\6{\ifmmode\else\par % forced break + \hangindent\ind em\noindent\kern\ind em\copy\bakk\ignorespaces\fi} +\def\7{\Y\6} % forced break and a little extra space + +\newskip\intersecskip \intersecskip=12pt minus 3pt % space between sections +\let\yskip=\smallskip +\def\to{\mathrel{.\,.}} % double dot, used only in math mode +\def\note#1#2.{\Y\noindent{\hangindent2em% + \baselineskip10pt\eightrm#1~\ifacro{\pdfnote#2.}\else#2\fi.\par}} + +\newtoks\toksA \newtoks\toksB \newtoks\toksC \newtoks\toksD +\newtoks\toksE \newtoks\toksF \newtoks\usersanitizer +\newcount\countA \countA=0 \newcount\countB \countB=0 +\newcount\countC \countC=0 +\newif\iftokprocessed \newif\ifTnum \newif\ifinstr +{\def\\{\global\let\spacechar= }\\ } + +\ifacro % The following are pdf macros from 'cwebmac.tex 3.70' +\def\thewidth{\the\wd0 \space} +\def\theheight{\the\ht\strutbox\space} +\def\thedepth{\the\dp\strutbox\space} +\ifpdftex + \ifx\pdfannotlink\undefined\let\pdfannotlink\pdfstartlink\fi% for pdfTeX 0.14 + \def\pdflink#1#2{\hbox{\pdfannotlink height\ht\strutbox depth\dp\strutbox + attr{/Border [0 0 0]} goto num #1 \Blue #1\Black\pdfendlink}} +\else\def\pdflink#1#2{\setbox0=\hbox{\special{pdf: bc [ \pdflinkcolor ]}{#1}% + \special{pdf: ec}}\special{pdf: ann width \thewidth height \theheight + depth \thedepth << /Type /Annot /Subtype /Link + /Border [0 0 0] /A << /S /GoTo /D (#2) >> >>}\box0\relax}\fi +\def\pdfnote#1.{\setbox0=\hbox{\toksA={#1.}\toksB={}\maketoks}\the\toksA} +\def\firstsecno#1.{\setbox0=\hbox{\toksA={#1.}\toksB={}% + \def\makenote{\addtokens\toksB{\the\toksC}\def\makenote{\toksD={} + \toksC={}\let\space\empty}\makenote}\maketoks}} +\def\addtokens#1#2{\edef\addtoks{\noexpand#1={\the#1#2}}\addtoks} +\def\poptoks#1#2|ENDTOKS|{\let\first=#1\toksD={#1}% + \ifcat\noexpand\first0\countB=`#1\else\countB=0\fi\toksA={#2}} +\def\maketoks{\expandafter\poptoks\the\toksA|ENDTOKS|% + \ifnum\countB>`9 \countB=0 \fi + \ifnum\countB<`0 + \ifnum0=\countC\else\makenote\fi + \ifx\first.\let\next=\maketoksdone\else + \let\next=\maketoks + \addtokens\toksB{\the\toksD} + \ifx\first,\addtokens\toksB{\space}\fi + \fi + \else \addtokens\toksC{\the\toksD}\global\countC=1\let\next=\maketoks + \fi + \next +} +\def\makenote{\addtokens\toksB + {\noexpand\pdflink{\the\toksC}{\romannumeral\the\toksC}}\toksC={}\global\countC=0} +\def\maketoksdone{\edef\st{\global\noexpand\toksA={\the\toksB}}\st} +\def\pdfURL#1#2{\ifpdftex\pdfannotlink height\ht\strutbox depth\dp\strutbox + attr {/Border [0 0 0]} user { /Type /Action /Subtype /Link /A + << /S /URI /URI (#2) >>}\Blue #1\Black \pdfendlink + \else \ifpdf{\setbox0=\hbox{\special{pdf: bc [ \pdflinkcolor ]}{#1}% + \special{pdf: ec}}\special{pdf: ann width \thewidth\space height \theheight + \space depth \thedepth\space << /Border [0 0 0] + /Type /Action /Subtype /Link /A << /S /URI /URI (#2) >> >>}\box0\relax}% + \else #1 ({\tt#2})\fi\fi} +{\catcode`\~=12 \gdef\TILDE/{~}} % ~ in a URL +{\catcode`\_=12 \gdef\UNDER/{_}} % _ in a URL +\def\sanitizecommand#1#2{\addtokens\usersanitizer + {\noexpand\dosanitizecommand\noexpand#1{#2}}} +\def\dosanitizecommand#1#2{\ifx\nxt#1\addF{#2}\fi} +\sanitizecommand\to{..} % a trivial example + +\catcode`\[=1 \catcode`\]=2 \catcode`\{=12 \catcode`\}=12 + \def\lbchar[{] \def\rbchar[}] +\catcode`\[=12 \catcode`\]=12 \catcode`\{=1 \catcode`\}=2 +\catcode`\~=12 \def\tildechar{~} \catcode`\~=13 +\catcode`\|=0 |catcode`|\=12 |def|bschar{\} |catcode`|\=0 \catcode`\|=12 +\def\makeoutlinetoks{\Tnumfalse\afterassignment\makeolproctok\let\nxt= } +\def\makeolnexttok{\afterassignment\makeolproctok\let\nxt= } +\def\makeolgobbletok{\afterassignment\makeolnexttok\let\nxt= } +\def\addF#1{\addtokens\toksF{#1}\tokprocessedtrue} +% now comes a routine to "sanitize" section names, for pdf outlines +\def\makeolproctok{\tokprocessedfalse + \let\next\makeolnexttok % default + \ifx\nxt\outlinedone\let\next\outlinedone + \else\ifx{\nxt \else\ifx}\nxt \Tnumfalse \instrfalse % skip braces + \else\ifx$\nxt % or a $ sign + \else\ifx^\nxt \addF^\else\ifx_\nxt \addF_% sanitize ^ and _ + \else\ifx\nxt\spacechar \addF\space + \else\if\noexpand\nxt\relax % we have a control sequence; is it one we know? + \ifx\nxt~\addF\space + \else\ifx\nxt\onespace\addF\space + \else\the\usersanitizer % if not recognised, skip it + \fi\fi + \else % we don't have a control sequence, it's an ordinary char + \ifx/\nxt \addF{\string\/}% quote chars special to PDF with backslash + \else\ifx(\nxt \addF{\string\(}\else\ifx)\nxt \addF{\string\)}% + %\else\ifx[\nxt \addF{\string\[}\else\ifx]\nxt \addF{\string\]}% + \else\expandafter\makeolproctokchar\meaning\nxt + \fi\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi%\fi\fi + \next +} +\def\makeolproctokchar#1 #2 #3{\addF{#3}} +\def\outlinedone{\edef\outlinest{\global\noexpand\toksE={\the\toksF}}% + \outlinest\let\outlinedone=\relax} +\fi % End of pdf macros + +\def\lapstar{\rlap{*}} +\def\stsec{\rightskip=0pt % get out of Pascal mode (cf. \P) + \sfcode`;=1500 \pretolerance 200 \hyphenpenalty 50 \exhyphenpenalty 50 + \noindent{\let\*=\lapstar\bf\modstar.\quad}% + \ifpdftex\smash{\raise\baselineskip\hbox to0pt{% + \let\*=\empty\pdfdest num \modstar fith}}% + \else\ifpdf\smash{\raise\baselineskip\hbox to0pt{% + \let\*=\empty\special{% + pdf: dest (\romannumeral\modstar) [ @thispage /FitH @ypos ]}}}\fi\fi} +\let\startsection=\stsec +\def\defin#1{\global\advance\ind by 2 \1\&{#1 } } % begin `define' or `format' +\def\A{\note{See also section}} % xref for doubly defined section name +\def\As{\note{See also sections}} % xref for multiply defined section name +\def\B{\mathopen{\.{@\{}}} % begin controlled comment +\def\C#1{\ifmmode\gdef\XX{\null$\null}\else\gdef\XX{}\fi %$% Pascal comments + \XX\hfil\penalty-1\hfilneg\quad$\{\,$#1$\,\}$\XX} +\def\D{\defin{define}} % macro definition +\def\E{\cdot10^} % exponent in floating point constant +\def\ET{ and~} % conjunction between two section numbers +\def\ETs{, and~} % conjunction between the last two of several section numbers +\def\F{\defin{format}} % format definition +\let\G=\ge % greater than or equal sign +\def\H#1{\hbox{\rm\char"7D\tt#1}} % hexadecimal constant +\let\I=\ne % unequal sign +\def\J{\.{@\&}} % TANGLE's join operation +\let\K=\gets % left arrow +\let\L=\le % less than or equal sign +\outer\def\M#1.{\MN#1.\ifon\vfil\penalty-100\vfilneg % beginning of section + \vskip\intersecskip\startsection\ignorespaces} +\outer\def\N#1.#2.{\MN#1.\vfil\eject % beginning of starred section + \ifacro{\toksF={}\makeoutlinetoks#2\outlinedone\outlinedone}\fi + \def\rhead{\uppercase{\ignorespaces#2}} % define running headline + \message{*\modno} % progress report + \edef\next{\write\cont{\Z{#2}{\modno}% write to contents file + {\noexpand\the\pageno}}}\next % \Z{title}{sec}{page} + \ifpdf\special{pdf: outline 0 << /Title (\the\toksE) /Dest + [ @thispage /FitH @ypos ] >>}\fi + \ifon\startsection{\bf#2.\quad}\ignorespaces} +\def\MN#1.{\par % common code for \M, \N + {\xdef\modstar{#1}\let\*=\empty\xdef\modno{#1}}% remove \* from section name + \ifx\modno\modstar \onmaybe \else\ontrue \fi + \mark{\modno}} +\def\O#1{\hbox{\rm\char'23\kern-.2em\it#1\/\kern.05em}} % octal constant +\def\P{\rightskip=0pt plus 100pt minus 10pt % go into Pascal mode + \sfcode`;=3000 + \pretolerance 10000 + \hyphenpenalty 1000 % so strings can be broken (discretionary \ is inserted) + \exhyphenpenalty 10000 + \global\ind=2 \1\ \unskip} +\let\R=\lnot % logical not +\let\S=\equiv % equivalence sign +\def\T{\mathclose{\.{@\}}}} % terminate controlled comment +\def\U{\note{This code is used in section}} % xref for use of a section +\def\Us{\note{This code is used in sections}} % xref for uses of a section +\let\V=\lor % logical or +\let\W=\land % logical and +\def\X#1:#2\X{\ifmmode\gdef\XX{\null$\null}\else\gdef\XX{}\fi %$% section name + \XX$\langle\,$#2{\eightrm\kern.5em + \ifacro{\pdfnote#1.}\else#1\fi}$\,\rangle$\XX} +\def\Y{\par\yskip} +\let\Z=\let % now you can \send the control sequence \Z +\def\){\hbox{\.{@\$}}} % sign for string pool check sum +\def\]{\hbox{\.{@\\}}} % sign for forced line break +\def\=#1{\kern2pt\hbox{\vrule\vtop{\vbox{\hrule + \hbox{\strut\kern2pt\.{#1}\kern2pt}} + \hrule}\vrule}\kern2pt} % verbatim string +\let\~=\ignorespaces +\let\*=* + +\def\onmaybe{\let\ifon=\maybe} \let\maybe=\iftrue +\newif\ifon \newif\iftitle \newif\ifpagesaved +\def\lheader{\mainfont\the\pageno\eightrm\qquad\rhead + \hfill\title\qquad\tensy x\mainfont\topmark} % top line on left-hand pages +\def\rheader{\tensy x\mainfont\topmark\eightrm\qquad\title\hfill + \rhead\qquad\mainfont\the\pageno} % top line on right-hand pages +%\let\page=\pagebody \raggedbottom % cweb 3.2 uses this instead of next line +\def\page{\box255 }\normalbottom % faster, but loses plain TeX footnotes +\def\normaloutput#1#2#3{\ifodd\pageno\hoffset=\pageshift\fi + \shipout\vbox{ + \vbox to\fullpageheight{ + \iftitle\global\titlefalse + \else\hbox to\pagewidth{\vbox to10pt{}\ifodd\pageno #3\else#2\fi}\fi + \vfill#1}} % parameter #1 is the page itself + \global\advance\pageno by1} + +\def\rhead{\.{WEB} OUTPUT} % this running head is reset by starred sections +\def\title{\expandafter\uppercase\expandafter{\jobname}} +\def\topofcontents{\centerline{\titlefont\title}\vskip.7in + \vfill} % this material will start the table of contents page +\def\startpdf{\ifpdftex\pdfcatalog{/PageMode /UseOutlines}\else + \ifpdf{\special{pdf: docview << /PageMode /UseOutlines >>}}\fi\fi} +\def\botofcontents{\vfill + \centerline{\covernote}} % this material will end the table of contents page +\def\covernote{} +\def\contentspagenumber{0} % default page number for table of contents +\newdimen\pagewidth \pagewidth=6.5in % the width of each page +\newdimen\pageheight \pageheight=8.7in % the height of each page +\newdimen\fullpageheight \fullpageheight=9in % page height including headlines +\newdimen\pageshift \pageshift=\hoffset + % shift righthand pages wrt lefthand ones +\def\magnify#1{\mag=#1\pagewidth=6.5truein\pageheight=8.7truein + \fullpageheight=9truein\setpage} +\def\setpage{\hsize\pagewidth\vsize\pageheight} % use after changing page size +\def\contentsfile{CONTENTS} % file that gets table of contents info +\def\readcontents{\input CONTENTS} + +\newwrite\cont +\output{\setbox0=\page % the first page is garbage + \openout\cont=\contentsfile + \write\cont{\catcode `\noexpand\@=11\relax} % \makeatletter + \global\output{\normaloutput\page\lheader\rheader}} +\setpage +\vbox to \vsize{} % the first \topmark won't be null + +\def\ch{\note{The following sections were changed by the change file:} + \let\*=\relax} +\newbox\sbox % saved box preceding the index +\newbox\lbox % lefthand column in the index +\def\inx{\par\vskip6pt plus 1fil % we are beginning the index + \def\page{\box255 } \normalbottom + \write\cont{} % ensure that the contents file isn't empty + \write\cont{\catcode `\noexpand\@=12\relax} % \makeatother + \closeout\cont % the contents information has been fully gathered + \output{\ifpagesaved\normaloutput{\box\sbox}\lheader\rheader\fi + \global\setbox\sbox=\page \global\pagesavedtrue} + \pagesavedfalse \eject % eject the page-so-far and predecessors + \setbox\sbox\vbox{\unvbox\sbox} % take it out of its box + \vsize=\pageheight \advance\vsize by -\ht\sbox % the remaining height + \hsize=.5\pagewidth \advance\hsize by -10pt + % column width for the index (20pt between cols) + \parfillskip 0pt plus .6\hsize % try to avoid almost empty lines + \def\lr{L} % this tells whether the left or right column is next + \output{\if L\lr\global\setbox\lbox=\page \gdef\lr{R} + \else\normaloutput{\vbox to\pageheight{\box\sbox\vss + \hbox to\pagewidth{\box\lbox\hfil\page}}}\lheader\rheader + \global\vsize\pageheight\gdef\lr{L}\global\pagesavedfalse\fi} + \message{Index:} + \parskip 0pt plus .5pt + \outer\def\:##1, ##2.{\par\hangindent2em\noindent##1:\kern1em + \ifacro\pdfnote##2.\else##2\fi.} % index entry + \let\ttentry=\. \def\.##1{\ttentry{##1\kern.2em}} % give \tt a little room + \def\[##1]{$\underline{##1}$} % underlined index item + \rm \rightskip0pt plus 2.5em \tolerance 10000 \let\*=\lapstar + \hyphenpenalty 10000 \parindent0pt} +\def\fin{\par\vfill\eject % this is done when we are ending the index + \ifpagesaved\null\vfill\eject\fi % output a null index column + \if L\lr\else\null\vfill\eject\fi % finish the current page + \ifpdftex \makebookmarks \fi % added in Version 4.5 + \parfillskip 0pt plus 1fil + \def\rhead{NAMES OF THE SECTIONS} + \message{Section names:} + \output={\normaloutput\page\lheader\rheader} + \setpage + \def\note##1##2.{\quad{\eightrm##1~\ifacro{\pdfnote##2.}\else{##2}\fi.}} + \linepenalty=10 % try to conserve lines + \def\U{\note{Used in section}} % crossref for use of a section + \def\Us{\note{Used in sections}} % crossref for uses of a section + \def\:{\par\hangindent 2em}\let\*=*\let\.=\ttentry + \ifacro \def\outsecname{Names of the sections} \let\Xpdf\X + \ifpdftex \pdfdest name {NOS} fith + \pdfoutline goto name {NOS} count -\modno {\outsecname} + \def\X##1:##2\X{\Xpdf##1:##2\X \firstsecno##1.% + {\toksF={}\makeoutlinetoks##2\outlinedone\outlinedone}% + \pdfoutline goto num \the\toksA \expandafter{\the\toksE}} + \else\ifpdf + \special{pdf: outline -1 << /Title (\outsecname) + /Dest [ @thispage /FitH @ypos ] >>} + \def\X##1:##2\X{\Xpdf##1:##2\X \firstsecno##1.% + {\toksF={}\makeoutlinetoks##2\outlinedone\outlinedone}% + \special{pdf: outline 0 << /Title (\the\toksE) + /A << /S /GoTo /D (\romannumeral\the\toksA) >> >>}} + \fi\fi\fi} +\def\makebookmarks{\def\?##1]{[##1]}% + \let\Z=\writebookmarkline \readcontents\relax} +\def\expnumber#1{\expandafter\ifx\csname#1\endcsname\relax 0% + \else \csname#1\endcsname \fi} % Petr Olsak's macros from texinfo.tex +\def\advancenumber#1{\countA=\expnumber{#1}\relax \advance\countA by1 + \expandafter\xdef\csname#1\endcsname{\the\countA}} +\def\writebookmarkline#1#2#3{{% + \let\(=\let \let\)=\let \let\[=\let \let\]=\let \let\/=\let + \pdfoutline goto num #2{#1}}} +\def\con{\par\vfill\eject % finish the section names +% \ifodd\pageno\else\titletrue\null\vfill\eject\fi % for duplex printers + \rightskip 0pt \hyphenpenalty 50 \tolerance 200 + \setpage \output={\normaloutput\page\lheader\rheader} + \titletrue % prepare to output the table of contents + \pageno=\contentspagenumber + \def\rhead{TABLE OF CONTENTS} + \message{Table of contents:} + \topofcontents \startpdf + \line{\hfil Section\hbox to3em{\hss Page}} + \let\Z=\contentsline + \readcontents\relax % read the contents info + \botofcontents \end} % print the contents page(s) and terminate +\def\contentsline#1#2#3{% + \line{\ignorespaces#1 + \rm\leaders\hbox to .5em{.\hfil}\hfil + \ \ifacro\pdflink{#2}{\romannumeral#2}\else#2\fi\hbox to3em{\hss#3}}} +\def\today{\ifcase\month\or + January\or February\or March\or April\or May\or June\or + July\or August\or September\or October\or November\or December\fi + \space\number\day, \number\year} +\newcount\twodigits +\def\hours{\twodigits=\time \divide\twodigits by 60 \printtwodigits + \multiply\twodigits by-60 \advance\twodigits by\time :\printtwodigits} +\def\gobbleone1{} +\def\printtwodigits{\advance\twodigits100 + \expandafter\gobbleone\number\twodigits + \advance\twodigits-100 } +\def\datethis{\def\startsection{\leftline{\sc\today\ at \hours}\bigskip + \let\startsection=\stsec\stsec}} + % say `\datethis' in limbo, to get your listing timestamped before section 1 +\def\datecontentspage{% say this in limbo to get the toc page timestamped + \def\botofcontents{\vfill + \centerline{\covernote} + \bigskip + \leftline{\sc\today\ at \hours}}} % timestamps the contents page -- cgit v1.2.3