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-%% This is part of the OpTeX project, see http://petr.olsak.net/optex
-
-\_codedecl \uv {Miscenaleous <2020-05-22>} % preloaded in format
-
- \_doc ----------------------------
- \`\useOpTeX` and \`\useoptex` are declared as `\relax`.
- \_cod ----------------------------
-
-\_let \useOpTeX = \_relax \_let \useoptex = \_relax
-
- \_doc ----------------------------
- The \`\lastpage` and \`\totalpages` get the information from the
- \^`\_currpage`. The \^`\_Xpage` from `.ref` file sets the \^`\_currpage`.
- \_cod ----------------------------
-
-\_def\_totalpages {\_openref\_ea\_ignoresecond\_currpage}
-\_def\_lastpage {\_openref\_ea\_usesecond\_currpage}
-\_def\_currpage {{0}{?}}
-\_public \lastpage \totalpages ;
-
- \_doc ----------------------------
- We need \`\uv`, \`\clqq`, \`\crqq`, \`\flqq`, \`\frqq`, \`\uslang`, \`\ehyph`
- \`\chyph`, \`\shyph`, for backward compatibility with \csplain.
- Codes are set according to Unicode because we are using Czech only in Unicode
- when \LuaTeX/ is used.
- \_cod ----------------------------
-
-
-% 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
-
- \_doc ----------------------------
- The \`\letfont` was used in \csplain/ instead of `\fontlet`.
- \_cod ----------------------------
-
-\_let \letfont = \_fontlet
-
- \_doc ----------------------------
- Non-breaking space in Unicode.
- \_cod ----------------------------
-
-\let ^^a0=~
-
- \_doc ----------------------------
- TikZ needs these funny control sequences.
- \_cod ----------------------------
-
-\_ea\_toksdef \_csname toks@\_endcsname=0
-\_ea\_let \_csname voidb@x\_endcsname=\_voidbox
-
- \_doc ----------------------------
- We don't want to read `opmac.tex` unless `\input opmac` is specified.
- \_cod ----------------------------
-
-\_def\OPmacversion{OpTeX}
-
- \_doc ----------------------------
- We allow empty lines in math formulae. It is more comfortable.
- \_cod ----------------------------
-
-\_suppressmathparerror = 1
-
- \_doc ----------------------------
- Lorem ipsum can be printed by \`\lipsum``[<range>]` or \`\lorem``[<range>]`,
- for example `\lipsum[3]` or `\lipsum[112-121]`, max=150.
-
- First usage of `\lipsum` reads the \LaTeX/ file `lipsum.ltd.tex`
- by \`\_lipsumload`
- and prints the selected paragraph(s). Next usages of `\lipsum`
- prints the selected paragraph(s) from memory. This second and more
- usages of `\lipsum` are fully expandable. If you want to have all
- printings of `\lipsum` expandable, use dummy `\lipsum[0]` first.
-
- `\lipsum` adds `\par` after each printed paragraph. If you don't need
- such `\par` here, use \`\lipsumtext``[<number>]`.
- This macro prints only one selected paragraph <number> and does not add `\par`.
- \_cod ----------------------------
-
-\_def\_lipsumtext[#1]{\_lipsumload\_cs{_lip:#1}}
-\_def\_lipsum[#1]{\_lipsumA #1\_empty-\_empty\_end}
-\_def\_lipsumA #1-#2\_empty#3\_end{%
- \_fornum #1..\_ifx^#2^#1\_else#2\_fi \_do {\_lipsumtext[##1]\par}}
-\_def\_lipsumload{{%
- \_setbox0=\_vbox{\_tmpnum=0 % vertical mode during \input lipsum.ltd.tex
- \_def\ProvidesFile##1[##2]{}%
- \_def\NewLipsumPar{\_incr\_tmpnum \_sxdef{_lip:\_the\_tmpnum}}%
- \_opinput {lipsum.ltd.tex}%
- \_global\_let\_lipsumload=\_empty
- }}}
-\_public \lipsum \lipsumtext ;
-\_let \lorem=\lipsum
-
-\_endcode
-
-2021-01-04 \lipsumtext introduced
-2020-05-22 \lipsum uses \fornum (expandable after first usage)
-2020-04-02 released