%#!uptex -ini \let\dump\relax \input plain \newcount\fuga\newcount\dflt \fuga="3300 \iffalse \global\let\prebreakpenalty=\inhibitxspcode \dflt=3 \else \dflt=0 \fi \scrollmode \newcount\hoge\hoge="3000 \loop\ifnum\hoge<\fuga \message{\the\hoge}\prebreakpenalty\hoge=2 \advance\hoge 3\relax \repeat \message{<\the\prebreakpenalty"3003, \the\prebreakpenalty"4000>}% 2, D { \prebreakpenalty"3003=\dflt\relax \global\prebreakpenalty"4000=1\relax% error \message{<\the\prebreakpenalty"3003, \the\prebreakpenalty"4000>}% D, D } \message{<\the\prebreakpenalty"3003, \the\prebreakpenalty"4000>}% 2, D { \global\prebreakpenalty"3003=\dflt\relax \prebreakpenalty"4000=1\relax% no error \message{<\the\prebreakpenalty"3003, \the\prebreakpenalty"4000>}% D, 1 } \message{<\the\prebreakpenalty"3003, \the\prebreakpenalty"4000>}% D, D \prebreakpenalty"4000=1\relax% no error \message{<\the\prebreakpenalty"3003, \the\prebreakpenalty"4000, \the\prebreakpenalty"3549>}% D, 1, D \prebreakpenalty"4000=\dflt\relax \prebreakpenalty"3549=1\relax% no error \message{<\the\prebreakpenalty"3003, \the\prebreakpenalty"4000, \the\prebreakpenalty"3549>}% D, D, 1 \end