% 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 32.2.4, p. IV-6. % Original source in file "page.TEX", starting line 340. \wlog{L: "freespac.tip" ["page.TEX," l. 340, p. IV-6]}% % This file DOES belong to format "texip." \InputD{lpagetg.tip} \newdimen\FreePageSpace \def\ComputeFreeSpaceOnPage{% \par \LogPageTG{\string\ComputeFreeSpaceOnPage}% \ifdim\pagetotal = 0pt \FreePageSpace = \vsize \else \FreePageSpace = \pagegoal \advance\FreePageSpace by -\pagetotal \fi } \def\FreeSpaceConditional{% 0pt = 0pt \fi \ComputeFreeSpaceOnPage \ifdim\FreePageSpace }