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authorKarl Berry <karl@freefriends.org>2009-09-04 01:05:22 +0000
committerKarl Berry <karl@freefriends.org>2009-09-04 01:05:22 +0000
commitdce0ff5a005e417ac63aafe94583124544bfada3 (patch)
tree713aa0d36d14bb8df58fd176a87db48c746e2ccf /Master/texmf-dist/tex/latex/ltxmisc
parent81805475cde677bc40f624e3e2febbd6423419d0 (diff)
needspace update (3sep09)
git-svn-id: svn://tug.org/texlive/trunk@15072 c570f23f-e606-0410-a88d-b1316a301751
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-% needspace.sty
-%
-% Provides commands to reserve space at the bottom of a page. If there
-% is not enough space on the current page (column) a new page (column)
-% is started.
-%
-% author: Peter Wilson (CUA)
-% (now at peter.r.wilson@boeing.com)
-% Copyright 1996
-% Released under the LaTeX Project Public License
-%
-%
-\NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{needspace}[2003/02/18 v1.3a reserve vertical space]
-
-\newcommand{\needspace}[1]{\begingroup\setlength{\dimen@}{#1}%
- \vskip\z@\@plus\dimen@ \penalty -100\vskip\z@\@plus -\dimen@
- \vskip\dimen@ \penalty 9999\vskip -\dimen@\endgroup}
-
-\newcommand{\Needspace}{\@ifstar{\@sneedsp@}{\@needsp@}}
-
-\newcommand{\@sneedsp@}[1]{\par \penalty-100\begingroup
- \setlength{\dimen@}{#1}%
- \dimen@ii\pagegoal \advance\dimen@ii-\pagetotal
- \ifdim \dimen@>\dimen@ii
- \break
- \fi\endgroup}
-
-\newcommand{\@needsp@}[1]{\par \penalty-100\begingroup
- \setlength{\dimen@}{#1}%
- \dimen@ii\pagegoal \advance\dimen@ii-\pagetotal
- \ifdim \dimen@>\dimen@ii
- \ifdim \dimen@ii>\z@
- \vfil
- \fi
- \break
- \fi\endgroup}
-
-\endinput
-
-% Example uses:
-%
-% ... previous text.\par
-% \needspace{5\baselineskip} % need next 5 lines on a single page/column
-% The next five lines ...
-%
-% \Needspace*{4\baselineskip} % need 4 lines kept on same page
-% The major principles are:
-% \begin{itemize}
-% \item ...
-%
-%
-% The \needspace macro reserves an APPROXIMATE amount of space (depending
-% on what penalties are in effect) but is efficient and normally adequate.
-% A short page will be ragged bottom even if \flushbottom is in
-% effect.
-%
-% \Needspace is less efficient but reserves the requested space. It
-% should only be used between paragraphs. Short pages produced by
-% \Needspace{<length>} will be ragged bottom but short pages produced by
-% \Needspace*{<length>} will be flush bottom if \flushbottom is in effect.
-%
-% Changes v1.3a (2003/02/18)
-% o At the suggestion of Donald Arseneau (private emails) changed guts of
-% \needspace from
-% ... \vskip\z@\@plus\dimen@\pagebreak[3]\vskip\z@\@plus-\dimen@\endgroup}
-%
-% Changes v1.3 (2003/02/07)
-% o Added \Needspace (an extended version of postings by Donald Arseneau
-% to comp.text.tex e.g., in November 1993, August 1995, September 1997, ...)
-%
-% Changes v1.2 (2002/09/11)
-% o At the suggestion of Robin Fairbairns, added use of \dimen@ to capture
-% the argument so that calc package commands can be used in the argument.
-%
-%
-%