\@catcodes                      %~ Establish INITEX catcode defaults.
\@markdef \botmark              %~ Last mark on the current page.
\@markdef \firstmark            %~ First mark on the current page.
\@markdef \splitbotmark         %~ Last mark in material split off by |\vsplit.|
\@markdef \splitfirstmark       %~ First mark in material split off by |\vsplit.|
\@markdef \topmark              %~ Last mark from previous page.
\@prefix \global %~ Establishes a global definition.
\@prefix \immediate %~ Performs the I/O operation immediately.
\@prefix \long %~ Allows command arguments to be multiple paragraphs.
\@prefix \outer %~ Restricts command to appear at top level.
\@suffix \displaylimits %~ Limits are set above/below in display style, as scripts otherwise.
\@suffix \limits %~ Limits are set above and below symbols.
\@suffix \nolimits %~ Limits are set next to symbol like scripts.
\countdef \adjdemerits = 0 %~ Demerits for adjacent incompatible lines.
\countdef \badness = 0
\countdef \binoppenalty = 0 %~ Penalty for line break after binary operator.
\countdef \brokenpenalty = 0
\countdef \clubpenalty = 0
\countdef \day = 0
\countdef \deadcycles = 0
\countdef \defaulthyphenchar = 0
\countdef \defaultskewchar = 0
\countdef \delimiterfactor = 0
\countdef \displaywidowpenalty = 0
\countdef \doublehyphendemerits = 0
\countdef \endlinechar = 0
\countdef \errorcontextlines = 0
\countdef \escapechar = 0
\countdef \exhyphenpenalty = 0
\countdef \fam = 0
\countdef \finalhyphendemerits = 0
\countdef \floatingpenalty = 0
\countdef \globaldefs = 0
\countdef \hangafter = 0
\countdef \hbadness = 0
\countdef \holdinginserts = 0
\countdef \hypenchar = 0
\countdef \hyphenpenalty = 0
\countdef \insertpenalties = 0
\countdef \interlinepenalty = 0
\countdef \language = 0
\countdef \lastpenalty = 0
\countdef \lefthyphenmin = 0
\countdef \linepenalty = 0
\countdef \looseness = 0
\countdef \mag = 0
\countdef \maxdeadcycles = 0
\countdef \month = 0
\countdef \newlinechar = 0
\countdef \outputpenalty = 0
\countdef \pausing = 0
\countdef \postdisplaypenalty = 0
\countdef \predisplaypenalty = 0
\countdef \pretolerance = 0
\countdef \pretolerand = 0
\countdef \prevgraf = 0
\countdef \relpenalty = 0
\countdef \righthyphenmin = 0
\countdef \showboxbreadth = 0
\countdef \showboxdepth = 0
\countdef \skewchar = 0
\countdef \spacefactor = 0
\countdef \time = 0
\countdef \tolerance = 0
\countdef \tracingcommands = 0
\countdef \tracinglostchars = 0
\countdef \tracinglostchars = 0
\countdef \tracingmacros = 0
\countdef \tracingonline = 0
\countdef \tracingoutput = 0
\countdef \tracingpages = 0
\countdef \tracingparagraphs = 0
\countdef \tracingrestores = 0
\countdef \tracingstats = 0
\countdef \uchyph = 0
\countdef \vbadness = 0
\countdef \widowpenalty = 0
\countdef \year = 0
\def \ { %~ Command space.
\def \"{ % {char} %~ Umlaut accent %^accent
\def \'{ % {char} %~ Accute accent %^accent
\def \-{
\def \.{ % {char} %~ Dot accent %^accent
\def \/{
\def \={ % {char} %~ Macron accent %^accent
\def \AA { %~ Scandinavian A with circle
\def \aa { %~ Scandinavian a with circle
\def \above { % dimen
\def \abovewithdelims { % delim delim dimen
\def \accent { % nnn 
\def \advance { % \name by value
\def \AE { %~ Scandinavian ligature OE
\def \ae { %~ Scandinavian ligature oe
\def \afterassignment { % token
\def \aftergroup { % token
\def \atop
\def \atopwithdelims { % delim delim
\def \batchmode
\def \begingroup
\def \bgroup
\def \box { % nnn
\def \b{ % {char} %~ Bar-under accent %^accent
\def \catcode { % char = nn
\def \char
\def \chardef { % \name = nn
\def \cleaders
\def \closein { % nn
\def \closeout { % nn
\def \copy { % nnn
\def \count { % nnn = integer
\def \countdef { % \name
\def \cr
\def \crcr
\def \c{ % {char} %~ Cedilla accent %^accent
\def \dag { %~ Dagger
\def \ddag { %~ Double dagger
\def \def
\def \delcode
\def \delimiter
\def \dimendef { % \name
\def \diment { % nnn
\def \discretionary{text}{text}{text}
\def \displaystyle
\def \divide { % \name by number
\def \dp
\def \dump
\def \d{ % {char} %~ Dot-under accent %^accent
\def \edef
\def \egroup
\def \end
\def \endgroup
\def \errmessage{text}
\def \errorstopmode
\def \font { % \name = file-name [at size]
\def \fontdiment { % nn \font = dimen
\def \futurelet { % \name token token
\def \gdef
\def \halign{material}
\def \hbox { % [to dimen] {text}
\def \hfil
\def \hfill
\def \hfilneg
\def \hrule { % width dimen height dimen depth dimen
\def \hskip { % skip
\def \hss
\def \ht
\def \hyphenation{text}
\def \hyphenchar { % \font = nn
\def \H{ % {char} %~ Long Hungarian umlaut accent %^accent
\def \ignorespaces
\def \indent
\def \insert { % nnn {text}
\def \kern { % dimen
\def \L { %~ Polish suppressed L
\def \l { %~ Polish suppressed l
\def \lastbox
\def \lccode { % char = char
\def \leaders
\def \left { % delim math \right delim
\def \let { % \name = token
\def \lower { % dimen box
\def \lowercase { % {text}
\def \mark { % {text}
\def \mathaccent { % nnnnn math
\def \mathbin { % {expression} %~ Binary operator class (2) %^math_class
\def \mathchar { % "cfnn
\def \mathchardef { % \name = nnnnn
\def \mathchoice{text}{text}{text}{text}
\def \mathclose { % {expression} %~ Closing fence class (5) %^math_class
\def \mathcode
\def \mathinner { % {expression} %~ Inner subexpression
\def \mathop { % {expression} %~Large operator class (1) %^math_class
\def \mathopen { % {expression} %~ Opening fence class (4) %^math_class
\def \mathord { % {expression} %~ Ordinary symbol class (0) %^math_class
\def \mathpunct { % {expression} %~ Punctuation class (6) %^math_class
\def \mathrel { % {expression} %~ Relation class (3) %^math_class
\def \message { % {text}
\def \moveleft { % dimen box
\def \moveright { % dimen box
\def \mukern { % mudimen
\def \multiply { % \name by number
\def \muskip { % nnn = mu-glue
\def \muskipdef { % \name
\def \noalign { % {text}
\def \noboundary
\def \noboundary
\def \noindent
\def \nonscript
\def \nonstopmode
\def \number { % {number} %~ This command formats an integer as Arabic numerals.
\def \O { %~ Scandinavian O with slash
\def \o { %~ Scandinavian o with slash
\def \OE { %~ French ligature OE
\def \oe { %~ French ligature oe
\def \omit
\def \openin { % nn = file-name
\def \openout { % nn = file-name
\def \over
\def \overline{text}
\def \overwithdelims { % delim delim
\def \P { %~ Paragraph sign (pilcrow)
\def \par
\def \parshape { % = nn dimen ...
\def \patterns{text}
\def \penalty { % nnnnn
\def \radical { % nnnnn math
\def \raise { % dimen box
\def \read { % n to \name
\def \relax
\def \romannumeral { % {number} %~ This command formats an integer as uppercase Roman numerals.
\def \S { %~ Section sign
\def \scriptfont
\def \scriptscriptfont
\def \scriptscriptstyle
\def \scriptstyle
\def \scrollmode
\def \setbox { % nnn = box
\def \setlanguage { % nnn
\def \sfcode
\def \shipout { % box
\def \show { % token
\def \showbox { % nnn
\def \showlists
\def \showthe { % internal-quantity
\def \skewchar { % \font = nn
\def \skip { % nnn = glue
\def \skipdef { % \name
\def \span
\def \special { % {text}
\def \ss { %~ German es-zet
\def \t { % {char} %~ Tie-after accent %^accent
\def \textfont
\def \textstylestyle
\def \toks { % nnn
\def \toksdef { % \name
\def \uccode { % char = char
\def \underline{text}
\def \unhbox { % nnn
\def \unhcopy { % nnn
\def \unkern
\def \unpenalty
\def \unskip
\def \unvbox { % nnn
\def \unvcopy { % nnn
\def \uppercase { % {text}
\def \u{ % {char} %~ Breve accent %^accent
\def \vadjust{text}
\def \valign{text}
\def \vbox { % [to dimen] {text}
\def \vcenter{text}
\def \vfil
\def \vfill
\def \vfilneg
\def \vrule { % width dimen height dimen depth dimen
\def \vskip { % dimen
\def \vsplit { % nnn to dimen
\def \vss
\def \vtop { % [to dimen] {text}
\def \v{ % {char} %~ Hacek accent %^accent
\def \wd
\def \write { % nn {text}
\def \xdef
\def \xleaders
\def \^{ % {char} %~ Circumflex accent %^accent
\def \`{ % {char} %~ Grave accent %^accent
\def \~{ % {char} %~ Tilde accent %^accent
\dimendef \boxmaxdepth = 0
\dimendef \delimitershortfall = 0
\dimendef \displayindent = 0
\dimendef \displaywidth = 0
\dimendef \emergencystretch = 0
\dimendef \hangindent = 0
\dimendef \hfuzz = 0
\dimendef \hoffset = 0
\dimendef \hsize = 0
\dimendef \lastkern = 0
\dimendef \lineskiplimit = 0
\dimendef \mathsurround = 0
\dimendef \maxdepth = 0
\dimendef \nulldelimiterspace = 0
\dimendef \overfullrule = 0
\dimendef \pagedepth = 0
\dimendef \pagefilllstretch = 0
\dimendef \pagefillstretch = 0
\dimendef \pagefilstretch = 0
\dimendef \pagegoal = 0
\dimendef \pageshrink = 0
\dimendef \pagestretch = 0
\dimendef \pagetotal = 0
\dimendef \parindent = 0
\dimendef \predisplaysize = 0
\dimendef \prevdepth = 0
\dimendef \scriptspace = 0
\dimendef \splitmaxdepth = 0
\dimendef \vfuzz = 0
\dimendef \voffset = 0
\dimendef \vsize = 0
\muskipdef \medmuskip = 0
\muskipdef \thickmuskip = 0
\muskipdef \thinmuskip = 0
\skipdef \abovedisplayshortskip = 0
\skipdef \abovedisplayskip = 0
\skipdef \baselineskip = 0
\skipdef \belowdisplayshortskip = 0
\skipdef \belowdisplayskip = 0
\skipdef \lastskip = 0
\skipdef \leftskip = 0
\skipdef \lineskip = 0
\skipdef \parfillskip = 0
\skipdef \parskip = 0
\skipdef \rightskip = 0
\skipdef \spaceskip = 0
\skipdef \splittopskip = 0
\skipdef \tabskip = 0
\skipdef \topskip = 0
\skipdef \xspaceskip = 0
\toksdef \errhelp = 0
\toksdef \everycr = 0
\toksdef \everydisplay = 0
\toksdef \everyhbox = 0
\toksdef \everyjob = 0
\toksdef \everymath = 0
\toksdef \everypar = 0
\toksdef \everyvbox = 0
\toksdef \output = 0