diff --git a/README b/README
new file mode 100644
index 0000000..b919eea
--- /dev/null
+++ b/README
@@ -0,0 +1,29 @@
+$Id$
+
+This tree contains files related to TUGboat, the main publication of the
+TeX Users Group (https://tug.org/TUGboat).
+
+capsules - machine-readable summaries by issue, and the scripts to
+generate the lists by title/author/keyword linked at
+https://tug.org/TUGboat/contents.html. Also includes the scripts to
+generate the information for DOI registration at Crossref.
+
+covers - support files for making the four cover pages -- front cover,
+inside front cover, inside back cover, back cover, also known as c1
+through c4.
+
+hyphenex - support files for hyphenation exception list maintained by
+Barbara Beeton. Releases posted at https://ctan.org/pkg/hyphenex.
+
+latex - the LaTeX class file, BibTeX style file, documentation, test files.
+Releases posted at https://ctan.org/pkg/tugboat.
+
+misc - mainly small scripts for various production jobs, like checking
+that all fonts are embedded, converting pdfs to grayscale, etc.
+
+plain - the plain package file tugboat.sty (confusingly named, but it
+predates LaTeX) and documentation. Releases posted at
+https://ctan.org/pkg/tugboat-plain.
+
+production - production configuration, list of all issues, and
+documentation from our printing company.
diff --git a/covers/Makefile b/covers/Makefile
new file mode 100644
index 0000000..8f0cf70
--- /dev/null
+++ b/covers/Makefile
@@ -0,0 +1,107 @@
+# $Id$
+# Makefile for TUGboat covers. Public domain.
+
+tbn := $(shell sed -n 's,^.issueseqno=\([0-9]*\) .*$$,\1,p' ../tugboat.dates)
+tb := tb$(tbn)
+envvars = export TEXINPUTS=.:..: #; export TEXFONTS=../texmf/fonts//:
+texfot = texfot
+PDFTEX = $(envvars); $(texfot) pdftex --file-line-error
+cp = cpread
+
+# We don't use ltugboat.cfg here, but it is what we touch in
+# ../Makefile when building the whole issue. Seems safer to rebuild the
+# covers too.
+deps = ../tugboat.dates ../ltugboat.cfg #../calendar/lastpage.tex
+
+%.pdf: %.tex $(deps)
+	$(PDFTEX) '\nonstopmode\input $<' </dev/null || { rm -f $@; exit 1; }
+	@test `pdflastpage $@` -eq 1 \
+	  || $(c3_twopages) \
+	  || { echo "*** $@ not one page!"; mv $@ $@-2; exit 1; }
+	-@$(cp) $@ ../webdir/
+	-@$(cp) $@ ../CADMUS/
+
+# normally:
+c3_target = cover3.pdf
+c3_twopages = false
+#
+# for tb137, cover3 is two pages, second page is copied to calendar.
+#c3_target = cover3a.pdf
+#c3_twopages = test $@ = cover3.pdf
+
+%-crop.pdf: %.pdf
+	pdfcrop-tub $< >/dev/null
+
+.PRECIOUS: %.ps
+
+all: spine.pdf cover4.pdf titlepage.pdf cover1.pdf cover2.pdf $(c3_target)
+
+titlepage.pdf: $(tb)quote.tex tugboat.front
+cover4.pdf: $(tb)cont.tex tugboat.front tubtocmac.tex
+cover3.pdf: $(tb)cap.tex  tubtocmac.tex
+cover1.pdf: word-nobox.pdf press2.pdf # procdrawing.pdf
+
+# cover3a.pdf is copied to ../CADMUS/ to replace the two-page version.
+cover3a.pdf: cover3.pdf cover3-crop.pdf
+	pdfselect 1 1 $< $@
+	$(cp) $@ ../CADMUS/cover3.pdf
+
+# We want the complete.pdf that we post to have both the internal links
+# on the toc pages, that we created in toclinks.pdf, and the external
+# links within the issue.pdf, that were created per-article.
+# 
+# So, we extract the linked toc pages from toclinks.pdf and combine them
+# with the issue.pdf. Hans wrote a special feature into the context
+# --extra=copy routine to support this, based on a Lua data file
+# that we create per issue.
+# 
+# See tb138prod.pdf for a published note about this.
+$(tb)complete.pdf complete compl c: $(tb)cmplete.lua \
+                                    toclinks.pdf ../CADMUS/issue.pdf
+	lmtxtub --extra=copy --template $<
+	mv context-extra.pdf $(tb)complete.pdf
+	c=$(tb)complete.pdf; du $$c #makes larger: ; ../ps2pdf-tub $$c; du $$c
+	$(cp) $(tb)complete.pdf ../webdir/
+
+# the whole interior, with the toc pages prepended and appended,
+# with internal links to the articles.
+toclinks.pdf: toclinks.tex cover2.tex cover3.tex cover4.tex tubtocmac.tex \
+              ../CADMUS/issue.pdf
+	$(PDFTEX) '$<' </dev/null || { rm -f $@; exit 1; }
+
+force:
+
+clean:
+	rm -f *.log *.dvi *.ps cover*.pdf titlepage.pdf *stpage.tex 
+
+# to send to bb.
+cnt:
+	tb=.. tubcont2cnt $(tb)cont.tex | tee $(tb)prelimcnt
+
+pfile = ../tugboat.dates
+p_titlepage := $(shell sed -n 's/^.*def.TBtitlepage{\([0-9]*\)}.*/\1/p' $(pfile))
+#p_ad1 := $(shell sed -n 's/.def.TBadpage{\([0-9]*\)}.*/\1/p' $(pages))
+p_ad2 := $(shell expr $(p_ad1) + 1)
+p_ad3 := $(shell expr $(p_ad1) + 2)
+cadmus cad: $(c3_target)
+	@echo "    making $@ in `pwd`"
+	$(cp) spine.pdf          ../CADMUS/spine.pdf
+	$(cp) cover1.pdf         ../CADMUS/cover1.pdf
+	$(cp) cover2.pdf         ../CADMUS/cover2.pdf
+	$(cp) $(c3_target)       ../CADMUS/cover3.pdf
+	$(cp) cover4.pdf         ../CADMUS/cover4.pdf
+	$(cp) titlepage.pdf      ../CADMUS/p$(p_titlepage).pdf
+	chmod a+r ../CADMUS/* ../webdir/*
+
+check:
+	cd .. && $(MAKE) $@
+
+tbnn := $(shell expr $(tbn) + 1)
+# to set up directory for following issue (= $tn envvar).
+copynext:
+	@echo $(tbnn)
+	cp -ai Makefile *.tex tugboat.* word* press2.pdf ${tn}/covers/
+	cd ${tn}/covers && rename s/$(tbn)/$(tbnn)/ *
+# during dev:
+%:
+	cd .. && $(MAKE) $@
diff --git a/covers/README b/covers/README
index 8d02313..0f04482 100644
--- a/covers/README
+++ b/covers/README
@@ -2,6 +2,9 @@ $Id$
 (Public domain.)
 
 These files are used in the covers/ subdirectory for each TUGboat issue,
-and don't have to be routinely changed, so are checked in here.
-The cover*.tex and tbNNNc*.tex files mostly do need to be changed.
-See the copynext target in covers/Makefile to set up the next issue.
+and either don't have to be routinely changed or may be useful as
+starting points of the process, so are checked in here.
+
+cover2.tex and tbcomplete.lua definitely have to be changed for each
+issue.  It's not unusual to have to change the other cover*.tex files,
+or the macros.
diff --git a/covers/cover1.tex b/covers/cover1.tex
new file mode 100644
index 0000000..8139dc3
--- /dev/null
+++ b/covers/cover1.tex
@@ -0,0 +1,97 @@
+% $Id$
+% cover1.tex - front cover of TUGboat. Public domain.
+
+\input tugboat.sty
+\input ../tugboat.dates
+\TUBfinal
+
+\onecol
+\headmargin=.75in               % 1in
+\rheadlgt=0pt           \def\runhead{}
+\basezero
+
+\font\fourteenbf=cmbx10 scaled \magstep2
+\font\fourteenrm=cmr10 scaled \magstep2
+\let\commfont=\fourteenbf
+\let\volfont=\fourteenrm
+
+\font\sixteenrm=cmr10 scaled \magstep3
+\font\sixteenbf=cmbx10 scaled \magstep3
+\def\bigfont{\def\rm{\sixteenrm}\def\smc{\twelverm}%
+    \def\bf{\sixteenbf \def\smc{\twelvebf}}\rm }
+\bigfont
+
+\baselineskip=18pt
+\parindent=0pt
+
+\collgt=55pc
+\resetpagelgt
+\normalbottom
+
+\catcode`@ = 11
+
+\newif\ifprocissue
+
+%  \postissue determines whether this is Proceedings issue or not
+\ifx\postissno\empty \def\PostIssno{}\procissuefalse
+\else \def\PostIssno{\Dash \postissno}\procissuetrue
+\fi
+
+\newdimen\boxrulethickness  \boxrulethickness=1pt
+%
+% #1 = height of box, #2 = depth of box
+% #3 = inserted to make space for the text
+\def\boxit #1/#2, #3<{\vbox{%
+  \hrule height\boxrulethickness depth0pt\kern-\boxrulethickness
+  \hbox{\vrule height#1 depth#2 width\boxrulethickness
+    \kern-\boxrulethickness\kern.5pc
+    #3\kern.5pc \vrule width\boxrulethickness}
+  \hrule height\boxrulethickness depth0pt\kern-\boxrulethickness}}
+
+\dlap{\boxit 5pc/1pc, \kern 23pc<
+      \kern -66pt % move back into the box
+      \noindent \kern 9pt
+      \immediate\pdfximage {word-nobox.pdf}\pdfrefximage\pdflastximage
+      \par
+      \kern 14pt
+      \boxit 1.5pc/.75pc, \commfont The Communications of the \TUG<
+}
+
+% Date: Sun, 26 Dec 2004 15:28:53 -0500 (EST)
+% From: Barbara Beeton <bnb@ams.org>
+% To: TUGboat Production team members <tub-prod@tug.org>
+%
+% traditionally, graphic is offset to the right, with
+% space on the right equal to space at left of "tugboat"
+% at top.  also, graphic is usually [...]
+% a bit more toward the bottom than centered.
+%
+\kern 12.4pc
+\hfuzz=1pc \advance\hsize by \hfuzz
+%
+\rightline{%
+  \ifprocissue
+    \immediate\pdfximage height6in {procdrawing.pdf}
+  \else
+    \immediate\pdfximage height5in {press2.pdf}
+  \fi
+  \pdfrefximage\pdflastximage
+}
+
+\vskip 0pt plus1filll
+
+% text at bottom, two lines.
+\setbox\TestBox=\hbox{%
+  \boxit 1.5pc/.75pc, \volfont Volume \volno,
+    Number \issno, \issdt \PostIssno<}
+%
+\ifdim\wd\TestBox < .8\pagewd
+  \unhbox\TestBox
+\else
+  \boxit 3pc/.75pc,
+    \vbox{\volfont \baselineskip=18pt
+          \let\Dash=\cr
+          \halign{#\hfil\cr
+                  Volume \volno, Number \issno, \issdt \PostIssno \cr}}<
+\fi
+\end
diff --git a/covers/cover2.tex b/covers/cover2.tex
new file mode 100644
index 0000000..925dd44
--- /dev/null
+++ b/covers/cover2.tex
@@ -0,0 +1,233 @@
+% $Id$
+% cover2.tex - inside front cover of TUGboat. Public domain.
+
+\input tugboat.sty
+\input ../tugboat.dates
+\TUBfinal
+
+\def\rateyear{\the\year}
+%\def\rateyear{\count255=\year\advance\count255 by 1 \the\count255}
+\def\tug{\acro{TUG}}
+\def\rtitle{}
+
+\def\USA{U\kern-.12em.\kern.04em S\kern-.06em.\kern.06em A\null.}
+
+\head * \TeX\ Users Group *
+
+\TUB\/ (\acro{ISSN} 0896-3207) is published by the\newline
+\TUG{}. Web: |tug.org/TUGboat|.
+
+\bigskip \noindent {\bf Individual memberships}
+
+\noindent
+\rateyear\ dues for individual members are as follows:
+
+\begingroup
+\raggedstretch=.3\colwd
+\raggedright
+\hyphenpenalty=10000
+\item{\bull} Trial rate for new~members:~\$30.
+\item{\bull} Regular~members:~\$105.
+\item{\bull} Special~rate:~\$75.
+\unskip\endgraf
+\endgroup       % end \raggedright
+\noindent The special rate is available to students, seniors, and
+citizens of countries with modest economies, as detailed on our web
+site.
+%Also, anyone joining or renewing before March~31 receives a
+%\$20 discount:
+%\item{\bull} Regular~members (early bird):~\$85.
+%\item{\bull} Special~rate (early bird):~\$55.
+Members may also choose to receive \TUB\ and other benefits
+electronically, at a discount. All membership 
+options are described at {\tt tug.org/join}.
+
+Membership in the \TUG\ is for the calendar year, and includes all issues
+of \TUB\/ for the year in which membership begins or is renewed, as well
+as software distributions and other benefits.
+Individual membership carries with
+it such rights and responsibilities as voting in \acro{TUG} elections.
+All the details are on the \acro{TUG} web site.
+
+\bigskip \noindent {\bf Journal subscriptions}
+
+\noindent \TUB\/ subscriptions (non-voting) are available to libraries
+and other organizations or individuals for whom 
+memberships are either not appropriate or desired.
+Subscriptions are delivered on a calendar year basis.
+The subscription rate for
+\rateyear\ is~\$115.
+
+\setbox\TestBox=\hbox{Category B:\enspace 99}
+\def\Category #1: #2 - #3; #4; #5. {\noindent \hangindent\normalparindent
+        \hbox to\wd\TestBox{Category #1:\hfil#2} subscriptions\dash
+        educational \$#3;\penalty-20 \ %
+        non-educational \$#4; additional \$#5 each.}
+
+\bigskip \noindent {\bf Institutional memberships}
+
+\noindent Institutional membership is primarily a means of showing
+continuing interest in and support for \TeX\ and \tug.  It also
+provides a discounted membership rate, site-wide electronic
+access, and other benefits.  For further information, see
+|tug.org/instmem| or contact the \tug\ office.
+
+\bigskip \noindent {\bf Trademarks}
+
+\noindent
+Many trademarked names appear in the pages of \TUB.  If there is any
+question about whether a name is or is not a trademark, prudence dictates
+that it should be treated as if it is.
+
+% more space above this.
+\vskip 0pt plus1filll \bigskip\bigskip\noindent
+[printing date: qqqmonthname \the\year]
+
+\smallskip
+\noindent Printed in \USA{}
+\newcol
+
+\NoParIndent
+
+\def\1{\ifhmode\/\fi$^\ast$}
+% \dag is too large; try to force it to be smaller; use \fivesy if necessary
+%\def\2{$^{\hbox{$\scriptstyle\char"79$}}$}
+\def\2{\/$^{\hbox{\fivesy\char"79}}$}
+\def\3{\relax}%{\ifhmode\/\fi$^{+}$} % no business committee for ages
+\def\person#1{{\def\\{, \it}\raggedstretch=.3\colwd\raggedright
+        \hyphenpenalty=10000 \exhyphenpenalty=10000
+        \hangindent\normalparindent #1\endgraf }}
+
+
+
+\head * Board of Directors *
+
+\vskip-2pt
+\person{Donald Knuth\\Ur~Wizard of \TeX-arcana\2}
+% \1\3 on title of president, not name, since ex officio.
+\person{Boris Veytsman\\President\1\3}% 
+\person{Arthur Rosendahl\1\3\\Vice President}%
+\person{Karl Berry\1\3\\Treasurer}%
+\person{Klaus H\"oppner\1\3\\Secretary}%
+\person{Barbara Beeton}% \\\TUB~Editor}%
+\person{Johannes Braams}%
+\person{Paulo Cereda}%
+\person{Kaja Christiansen}%
+\person{Ulrike Fischer}%
+\person{Jim Hef{}feron}%
+\person{Frank Mittelbach}%
+\person{Ross Moore}%
+\person{Norbert Preining}%
+%\person{Raymond Goucher\\Founding Executive Director\2}
+\person{Raymond Goucher (1937--2019)\\ 
+  \null\kern5.15em Founding Executive Director}
+\person{Hermann Zapf (1918--2015)\\Wizard of Fonts}
+
+\smallskip
+{\eightpoint\it\raggedright %
+ \1member of executive committee\break
+ \2honorary\endgraf}
+
+\smallskip
+{\ninepoint
+See |tug.org/board| for a roster of all past and present
+board members, and other official positions.
+\par}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+\bigskip
+{\ninepoint
+\setbox\TestBox=\hbox{Portland, \acro{OR} 97208-2311}
+\line{%
+\vtop{\hsize=\wd\TestBox
+\obeylines
+{\bf Addresses}
+\smallskip
+
+%General correspondence,
+%All correspondence,
+%\leavevmode\qquad payments, parcels,
+%\leavevmode\qquad etc.
+%\leavevmode\qquad payments, etc.
+\TeX\ Users Group
+\POBox 2311
+Portland, \acro{OR} 97208-2311
+\USA{}
+
+\medskip
+{\bf Telephone}
++1 503 223-9994
+%\vskip\baselineskip
+
+\medskip
+{\bf Fax}
++1 815 301-3568
+%\vskip\baselineskip
+
+\medskip
+{\bf Web}
+|tug.org|
+|tug.org/TUGboat|
+
+}\quad
+\vtop{
+\rightskip=0pt plus\hsize
+\hyphenpenalty=10000
+\NoBlackBoxes
+\obeylines
+{\bf Electronic mail}
+\smallskip
+General \rlap{correspondence,}
+membership, \rlap{subscriptions:}
+|office@tug.org|
+
+\medskip
+Submissions \rlap{to \TUB,}
+letters to \rlap{the Editor:}
+|TUGboat@tug.org|
+
+\medskip
+\TeX{}nical support,
+public mailing list:
+|support@tug.org|
+
+\medskip
+Contact the
+Board of \rlap{Directors:}
+|board@tug.org|
+
+}\hss}}
+
+%\bigskip
+%{\bf Have a suggestion? Problems not resolved?}\newline
+%The \acro{TUG} Board wants to hear from you:\newline
+%Please email |board@tug.org|.
+
+\vskip 0pt plus1filll %\bigskip\bigskip
+
+{\eightpoint
+\parindent=0pt \parskip=4pt \raggedright
+Copyright \copyright{} \the\year\ \TUG{}.
+
+Copyright to individual articles within this publication remains with
+their authors, so the articles may not be reproduced, distributed or
+translated without the authors'~permission.
+
+For the editorial and other material not ascribed to a particular
+author, permission is granted to make and distribute verbatim copies
+without royalty, in any medium, provided the copyright notice and this
+permission notice are~preserved.
+  
+Permission is also granted to make, copy and distribute translations
+of such editorial material into another language, except that the \TUG{}
+must approve translations of this permission notice itself.  Lacking
+such approval, the original English permission notice must be~included.
+An information notice to the \TUB\ editors regarding such redistribution
+is appreciated.
+
+%% copyright notice replaced 26 June 2003; text provided by Karl Berry
+%% final sentence added 3 July 2022 by Barbara Beeton
+}
+\vfilneg
+\end
diff --git a/covers/cover3.tex b/covers/cover3.tex
new file mode 100644
index 0000000..e8b4922
--- /dev/null
+++ b/covers/cover3.tex
@@ -0,0 +1,169 @@
+% $Id$
+% cover3.tex - inside back cover of TUGboat. Public domain.
+% Output difficulty toc, optionally with page numbers as links.
+% Occasionally this overflows to a second page, as in tb137.
+% Then we have to handle things in an ad hoc manner.
+
+\input tubtocmac.tex
+\input tugboat.cmn  % tugboat.dates macros
+\input tugboat.dates
+
+% our own page layout.
+\nopagenumbers
+\hoffset = 0pt
+\voffset = -.6in
+\vsize = 10in
+\vfuzz = 2.5pt % don't worry too much
+
+\def\scriptfonts{% for the A in LaTeX
+  \scriptfont0=\sevenrm
+  \scriptfont\itfam=\sevensl
+  \scriptfont\slfam=\sevensl
+}
+
+\iffalse % fonts - 10pt
+  \font\manual=logo10
+  \font\difficultyfont=cmb10
+  \font\smallsl = cmsl9  \font\smallrm = cmr9 \font\smallsy = cmsy9
+  \font\manualsl = logosl10 
+  \font\slc = cmsl8 at 7pt
+  \font\smc = cmcsc10
+  \font\lslashfont = ec-lmro10
+  \font\thanhfont = t5-lmr10
+  \font\sevenrm=cmr7
+  \font\sevensl=cmti7
+  \scriptfonts
+  \baselineskip=12pt
+\fi
+
+\iftrue % fonts - 9pt (what we usually use)
+  \font\tenrm=cmr9  \font\tensl=cmsl9  \font\tentt=cmtt9  \font\manual=logo9
+  \font\tenit=cmti9 \font\tenbf=cmbx9 \font\sf = cmss9
+  \font\difficultyfont=cmb10
+  \font\smallsl = cmsl8  \font\smallrm = cmr8 \font\smallsy = cmsy9
+  \font\manualsl = logosl10 at 9pt
+  \font\slc = cmsl8 at 6pt
+  \font\smc = cmcsc10 at 9pt
+  \font\lslashfont = ec-lmro9
+  \font\thanhfont = t5-lmr9
+  \font\sevenrm=cmr7 at 6.5pt
+  \font\sevensl=cmti7 at 6.5pt
+  \scriptfonts
+  \baselineskip=10.9pt
+\fi
+
+\iffalse % fonts - 8pt
+  \font\tenrm=cmr8 \font\tensl=cmsl8  \font\tentt=cmtt8  \font\manual=logo8
+  \font\tenit=cmti8 \font\tenbf=cmbx8 \font\sf = cmss8
+  \font\difficultyfont=cmbx9
+  \font\smallsl = cmsl8 at 7pt  \font\smallrm = cmr7 \font\smallsy = cmsy8
+  \font\manualsl = logosl10 at 8pt
+  \font\slc = cmsl8 at 5pt
+  \font\smc = cmcsc10 at 8pt
+  \font\lslashfont = ec-lmro8
+  \font\thanhfont = t5-lmr8
+  \font\sevenrm=cmr6
+  \font\sevensl=cmti7 at 6pt
+  \scriptfonts
+  \baselineskip=9.7pt
+\fi
+\rm  %  start smaller font
+
+\newskip\abovedifficultyskip % default 8pt plus2pt minus1pt
+  \abovedifficultyskip = 2.6pt plus2pt minus1pt
+\newskip\abovecapsuleskip    % default 2pt plus1pt
+  \abovecapsuleskip    = 1pt plus1pt
+
+% we want ragged right, and interword stretch seems unnecessary, but we
+% still allow interword shrink since it helps keep things on one line.
+\advance\rightskip by 0pt plus 4em
+\spaceskip = \fontdimen2\tenrm minus \fontdimen4\tenrm
+
+\def\acrofont{% if slanted font, use slanted acro font
+   \ifdim \fontdimen1\font>0pt \smallsl \else \smallrm\fi
+}
+\def\acro#1{{\acrofont #1}}
+
+\textfont2 = \smallsy
+\def\CS{{\the\textfont2 C\kern-.1em\lower.4ex\hbox{S}\kern.1em}}
+
+\def\slMF{{\manualsl META}\-{\manualsl FONT}\spacefactor1000 }
+\def\slMP{{\manualsl META}\-{\manualsl POST}\spacefactor1000 }
+
+% for \LaTeX, etc.
+\scriptfont\slfam=\sevensl
+\scriptfont\itfam=\sevensl
+
+% abbreviations
+\def\\{\hfil\break}
+\def\newline{\\}
+\def\cand{\unskip,\space\ignorespaces}
+\def\smallbullet{\raise .4ex \hbox{$\scriptscriptstyle \bullet$}}
+
+% from tugboat.front
+\def\titleslash{\raise.3ex\hbox{\sevenrm/}}
+
+\def\CONNECT{~}
+\let\offset=\gobble          % ignore manual sorting offset
+\long\def\begin#1#2\end#3{}  % ignore blurb
+\def\issue#1#2#3#4#5#6{}     % ignore issue info
+
+% formatting
+\newdimen\pagenowidth % space for justification
+\setbox0=\hbox{000}
+\pagenowidth=\wd0  % aka 1.5em
+\newdimen\pagenospace  \pagenospace = 2.5em
+
+\def\difficulty#1{%
+  \vskip\abovedifficultyskip
+  \noindent{\difficultyfont #1}%
+  \par
+  \vskip-.5\abovecapsuleskip
+}
+
+% make page numbers in toc be links? no for cadmus, yes for online.
+\newif\iftublinktoc \tublinktoctrue
+\newcount\tublinkdestpage
+
+% #1 is difficulty rating -- follows \capsule on first line, usually empty
+% #2 is TB category -- arg 2 alone on its line, maybe with replace|add comment
+% #3 is author -- args 3-7 are alone on their lines
+% #4 is title
+% #5 is for statement
+% #6 is page number
+% #7 is URL of paper PDF
+% #8 is subtitles -- arg 8 can be alone on its line or multiple lines long
+% #9 is for notes added at html time -- arg 9 can be alone on its line
+%           or multiple lines long 
+
+% the main command.
+\def\capsule#1#2#3#4#5#6#7#8#9{%
+  \def\author{#3}%
+  \def\title{#4}%
+  \vskip \abovecapsuleskip
+  \noindent
+  \hangindent = \pagenospace
+    \advance\hangindent by 3em
+  \hbox to \pagenospace{\overfullrule=0pt
+    \hbox to \pagenowidth{\hfil \tubmaybelinkpageno{#6}}%
+    \hfil}%
+   %
+   \ifx\author\empty\else
+     \tubmaybelinktext{\sl \author}%
+     %
+     % / only if both parts are present.
+     \ifx\title\empty\else\ \titleslash\ \fi
+   \fi
+   %
+   \ifx\title\empty\else \tubmaybelinktext{\rm \title}\fi
+   %
+   \def\blurb{#5}%
+   \ifx\blurb\empty\else \hfil\break\hglue-2em\smallbullet\ \blurb\fi
+   \par
+}
+
+\def\capsulenoprint#1#2#3#4#5#6#7#8#9{}
+
+\Input cap.tex
+
+\bye
diff --git a/covers/cover4.tex b/covers/cover4.tex
new file mode 100644
index 0000000..828b4e3
--- /dev/null
+++ b/covers/cover4.tex
@@ -0,0 +1,68 @@
+% $Id$
+% cover4.tex - back cover of TUGboat. Public domain.
+% 
+% space reduction priorities (change values below).
+% - add length to page, within reason
+% - decrease skips between sections (\secskipa)
+% - decrease skips between items (\secskipb)
+% - decrease font size for items only (not headings)
+% - decrease baselines within items
+% - if multiple ads (not a current problem), reduce to a single
+%   line and put an advertisers' index inside
+
+\input tubtocmac.tex
+\input tugboat.sty
+\input tugboat.front
+
+\input tugboat.dates
+\TUBfinal
+
+\headmargin=\normalheadmargin
+\rheadlgt=\normalrheadlgt
+\collgt=\normalcollgt
+\resetpagelgt
+
+\let\runhead=\normalrunhead
+\let\runfoot=\normalrunfoot
+
+% fonts:
+\tenpoint\baselineskip=12.5pt       % default 10pt baselineskip is 12.5pt
+  \font\slnine = cmsl9
+  \font\manual = logo10
+  \font\manualsl = logosl10
+  \font\thanhfont = t5-lmr10
+  \font\lslashfont = ec-lmr10
+
+%\ninepoint\baselineskip=11.1pt     % default 9pt baselineskip is 11.1pt
+%  \font\slnine = cmsl8
+%  \font\manual = logosl10 at 9pt
+%  \font\thanhfont = t5-lmr9
+%  \font\lslashfont = ec-lmro9
+%  \font\lslashrmfont = ec-lmr9
+%  \AdjustNormalSpacing\ninepoint{20}
+
+% seems to work ok for both sizes.
+\font\slc = cmsl9 at 7pt  % cmcscsl10 not available as type1
+
+\LoadSansFonts
+\Trimmarkstrue
+\NoBlackBoxes
+\def\rtitle{}
+\setdigitwidth{999} % number of digits in highest page number
+
+% page length
+\vfuzz=0pc 			% normally zero
+  \advance\vsize by \vfuzz
+
+\secskipa=6.0pt plus3pt       % between sections, default 6.0pt plus3pt
+\secskipb=1.5pt plus1pt       % between entries,  default 1.5pt plus1pt
+
+% 
+{
+ \hfuzz=2pc                     % normally 2pc
+ \advance\hsize by \hfuzz
+  %
+ \advance\voffset by -2\baselineskip % somehow starts too low?
+ \Input cont
+}
+\bye % not \end, because we redefine \bye as needed in tbNNNcomplete.pdf.
diff --git a/covers/tbcomplete.lua b/covers/tbcomplete.lua
new file mode 100644
index 0000000..e052955
--- /dev/null
+++ b/covers/tbcomplete.lua
@@ -0,0 +1,30 @@
+-- $Id$
+-- Public domain.
+-- Lua template file for use with ConTeXt to preserve all the links,
+-- both internal and external, in the file tbNNNcomplete.pdf.
+-- See tb138prod.pdf for a published note about this.
+return {
+    list = {
+        {
+            filename    = "toclinks",
+            first       = 1, --cover1
+            last        = 2, --cover2
+            interaction = "all",
+            pageoffset  = 0,
+        },
+        {
+            filename    = "../CADMUS/issue",
+            first       = 1,
+            last        = 176,
+            interaction = "all",
+        },
+        {
+            filename    = "toclinks",
+            first       = 179, --cover3, page1
+            last        = 180, --cover3, page2
+            interaction = "all",
+            pageoffset  = 0,
+        },
+    },
+}
+
diff --git a/covers/tbcomplete.tex b/covers/tbcomplete.tex
new file mode 100644
index 0000000..cfd067b
--- /dev/null
+++ b/covers/tbcomplete.tex
@@ -0,0 +1,65 @@
+% $Id$
+% Public domain.
+% Plain TeX file to generate the complete issue as toclinks.pdf,
+% for use in making the final tbNNNcomplete.pdf.
+% See tb138prod.pdf for a published note about this.
+
+% Output complete issue for online.
+\let\bye=\relax % end of subfiles is not the end of the job.
+
+% We start with the usual cover4, but make the page numbers into links.
+\let\tublinktoc=t
+
+\input cover4.tex
+\vfil\eject % before we change the page layout
+
+% Now the issue contents and other covers.
+% We have premade pages, so don't let TeX interfere,
+% but do it all inside a group, since we need to restore the regular
+% parameters for the capsule.
+% 
+\begingroup
+
+\voffset=-1in \hoffset=-1in \topskip=0pt \nointerlineskip
+\vsize=11in \hsize=8.5in
+\output = {\shipout\box255 \advancepageno}
+
+% Have to handle multiple-page PDFs.
+\newcount\mylastpage
+\newcount\mytemppage
+
+% Output PDF from #1.pdf, either single-page or multiple pages.
+\def\doitem#1{%
+  \pdfximage{#1.pdf}%
+  \mylastpage=\pdflastximagepages
+  %
+  \ifnum\mylastpage=1
+    % single page -> just output it.
+    \doitempage
+  \else
+    % multiple pages -> output each page.
+    \mytemppage = 0
+    \loop\ifnum\mytemppage < \mylastpage
+      \advance\mytemppage by 1
+      \pdfximage page\mytemppage {#1.pdf}%
+      \doitempage
+    \repeat
+  \fi
+}
+
+% Output the last ximage on its own page.
+\def\doitempage{%
+  \null % without the box there is nothing to eject, whatsits accumulate
+  \pdfrefximage\pdflastximage
+  \eject
+}
+
+\doitem{cover2}% include premade pdf, one page
+\doitem{../CADMUS/issue}% premade pdf for interior, many pages
+
+\endgroup % restore normal page layout, so capsule comes out.
+
+% Finally, retypeset the capsule, to make the pdf links again.
+\input cover3.tex
+
+\end
diff --git a/hyphenex/README b/hyphenex/README
index a075aab..c613582 100644
--- a/hyphenex/README
+++ b/hyphenex/README
@@ -8,8 +8,8 @@ It is maintained by the TUGboat editors. If questions, problems, or
 suggestions for additional exceptions, please email tugboat@tug.org.
 
 Also here is the master file for the exceptions, maintained as a TUGboat
-article: tb0hyf.tex. Updates are printed in TUGboat from the time to
-time; the exact list is given in the file.
+article: tb0hyf.tex. Updates are printed in TUGboat from time to time;
+the exact list is given in the file.
 
 Also here are scripts to generate ushyphex.tex from tb0hyf.tex:
 hyphenex.pl and hyphenex.sh, written by Werner Lemberg. The two scripts
diff --git a/latex/tugboat.dtx b/latex/tugboat.dtx
index 1dc55f7..eee47c6 100644
--- a/latex/tugboat.dtx
+++ b/latex/tugboat.dtx
@@ -1295,6 +1295,21 @@
   {\textbraceleft #1\textbraceright}%
 }
 %
+% Literal text, such as class names, package names, filenames, etc,
+% Trying to define separate commands for each seems impossible and pointless.
+% Usually we don't want hyphenation or any other kind of break.
+\DeclareRobustCommand{\tbcode}[1]{\mbox{\texttt{#1}}}
+%
+% On the other hand, sometimes we need to break such code fragments.
+% If |hyperref| is loaded, we want |\nolinkurl|, else just |\url|.
+\AtBeginDocument{%
+\ifx\nolinkurl\undefined
+  \DeclareRobustCommand{\tbcodebreak}{\url}
+\else
+  \DeclareRobustCommand{\tbcodebreak}{\nolinkurl}
+\fi
+}
+%
 % Not sure why we ever want this instead of LaTeX's \, (using \kern),
 % but fine, just keeping it.
 \DeclareRobustCommand{\thinskip}{\hskip 0.16667em\relax}