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%% This is part of OpTeX project, see http://petr.olsak.net/optex
\_codedecl \uv {Miscenaleous <2020-03-14>} % preloaded in format
% You can write \useOpTeX at begining of your document
\_let \useOpTeX = \_relax \_let \useoptex = \_relax
% lastpage/totalpages
\_def\_totalpages {\_openref\_ea\_lastpageA\_currpage}
\_def\_lastpage {\_openref\_ea\_lastpageB\_currpage}
\_def\_lastpageA #1#2{#1}
\_def\_lastpageB #1#2{#2}
\_def\_currpage {{0}{?}}
\_public \lastpage \totalpages ;
% for compatibility with csplain:
\_chardef\clqq=8222 \_chardef\crqq=8220
\_chardef\flqq=171 \_chardef\frqq=187
\_chardef\promile=8240
\_def\uv#1{\clqq#1\crqq}
\_let\uslang=\enlang \_let\ehyph=\enlang
\_let\chyph=\cslang \_let\shyph=\sklang
\_let\csUnicode=\csPatt \_let\czUnicode=\csPatt \_let\skUnicode=\skPatt
% classical \ten* macros (keeps only preloaded fonts!)
\_let \letfont = \_fontlet
\_let \tenrm = \_tenrm \_let \tenbf = \_tenbf
\_let \tenit = \_tenit \_let \tenbi = \_tenbi
\_let \tentt = \_tentt
% non breaking space in Unicode
\let ^^a0=~
% TikZ needs these control sequences:
\ea\toksdef \csname toks@\endcsname=0
\ea\let \csname voidb@x\endcsname=\_voidbox
% another \tmpnum and \tmpdim are declared for user macros, no the same as private:
\newcount\tmpnum % auxiliary count
\newdimen\tmpdim % auxiliary dimen
% We don't want to read opmac.tex unless \input opmac is specified:
\def\OPmacversion{OpTeX}
% Lorem ipsum. Usage \lipsum[3] or \lipsum[112-121], max=150
\_def \_lipsum {%
{\_long\_def\ProvidesFile##1[##2]##3{\_ifx\_par##3\_relax\_else \_ea##3\_fi}\_tmpnum=0
\_def\NewLipsumPar{\_advance\_tmpnum by1
\_afterassignment\_negativermnm \_sxdef{lips:\_the\_tmpnum}}%
\_opinput {lipsum.ltd.tex}%
\_global\_let \_lipsum=\_reallipsum
}\_lipsum
}
\_def\_negativermnm{\_romannumeral-`\.}
\_def\_reallipsum[#1]{\_lipsumA #1\_empty-\_empty\_end}
\_def\_lipsumA #1-#2\_empty#3\_end{\_tmpnum=#1 \_edef\_tmp{\_ifx^#2^#1\_else#2\_fi}%
\_loop \_csname lips:\_the\_tmpnum\_endcsname \_par
\_ifnum\_tmpnum<\_tmp \_advance\_tmpnum by1 \_repeat
}
\def\lipsum {\_lipsum}
\def\lorem {\_lipsum}
\_endcode
These codes are usable only after Unicode font is loaded using \fontfam.
If you don't use Unicode fonts then more characters from Czech language stay
unavailable (ř, ů, for example). See the notice in `fonts-preoad.opm`.
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