test/test34-primitive.tex

   1 \makeatletter
   2 \def\ltj@stop@overwrite@primitive{\insert\vadjust\/\unhbox\vcenter\piyo}
   3 \makeatother
   4
   5 \documentclass[landscape]{article}
   6 \usepackage[margin=10mm,centering]{geometry}
   7
   8 \usepackage{luatexja}
   9
  10 \def\vcenter{aaa}
  11 \makeatletter
  12 \ltj@overwrite@primitive{\/\vcenter\hoge\moveleft}
  13
  14 \usepackage{breqn}
  15
  16 \expandafter\expandafter\expandafter\ltj@overwrite@primitive\expandafter{\ltj@stop@overwrite@primitive}
  17
  18 \begin{document}
  19 \ttfamily\parindent0pt\footnotesize
  20 \def\chk#1{%
  21   \par\medskip\leavevmode
  22   \hbox to 11em{\expandafter\string\csname #1\endcsname:\hss}\
  23     \expandafter\meaning\csname #1\endcsname\\
  24   \hbox to 11em{\expandafter\string\csname ltj@@#1\endcsname:\hss}\
  25     \expandafter\meaning\csname ltj@@#1\endcsname\\
  26   \hbox to 11em{\expandafter\string\csname ltj@@orig@#1\endcsname:\hss}\
  27     \expandafter\meaning\csname ltj@@orig@#1\endcsname
  28 }
  29
  30 a\vadjust{\hrule height 1pt width 30pt}bc\\d
  31
  32 \chk{/}
  33 \chk{insert}
  34 \chk{vadjust}
  35 \chk{raise}
  36 \chk{lower}
  37 \chk{moveleft}
  38 \chk{moveright}
  39 \chk{vsplit}
  40 \chk{vcenter}
  41 \chk{unhbox}
  42 \chk{unvbox}
  43 \chk{unhcopy}
  44 \chk{unvcopy}
  45 \chk{lastbox}
  46 \end{document}
  47
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