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+% This macro source file is from the four volume series
+% "TeX in Practice" by Stephan von Bechtolsheim, published
+% 1993 by Springer-Verlag, New York.
+% Copyright 1993 Stephan von Bechtolsheim.
+% No warranty or liability is assumed.
+% This macro may be copied freely if no fees other than
+% media cost or shipping charges are charged and as long
+% as this copyright and the following source code itself
+% is not changed. Please see the series for further information.
+%
+% Version: 1.0
+% Date: May 1, 1993
+%
+%
+% This source code is documented in 8.2.12, p. I-296.
+% Original source in file "vboxes2.TEX", starting line 1096.
+\wlog{L: "splitpar.tip" ["vboxes2.TEX," l. 1096, p. I-296]}%
+% This file DOES belong to format "texip."
+\catcode`\@ = 11
+\newcount\@PPLineNumber
+\newbox\@PrintParWithLinesBox
+\newbox\@PrintParWithLinesTemp
+\def\PrintParWithLineNumbers #1{%
+ \par
+ \@PPLineNumber = 1
+ \splittopskip = 0.6666\baselineskip
+ \setbox\@PrintParWithLinesBox = \vbox{#1}
+ \@PrintParWithLineNumbers
+}
+\def\@PrintParWithLineNumbers{
+ \ifvoid\@PrintParWithLinesBox
+ \let\@PPNext = \relax
+ \else
+ \setbox\@PrintParWithLinesTemp =
+ \vsplit\@PrintParWithLinesBox to 0.666\baselineskip
+ \hbox{%
+ \llap{%
+ \the\@PPLineNumber:%
+ \hskip 10pt
+ }%
+ \box \@PrintParWithLinesTemp
+ }%
+ \advance\@PPLineNumber by 1
+ \wlog{Line \the\@PPLineNumber}%
+ \let\@PPNext = \@PrintParWithLineNumbers
+ \fi
+ \@PPNext
+}
+\catcode`\@ = 12