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% nolbreaks.sty by Donald Arseneau
% Public domain software -- please improve and submit to CTAN
\ProvidesPackage{nolbreaks}[2002/09/19 \space v 1.0 \space
- no linebreaks in text]
% Use \nolbreaks{some text} to prevent linebreaks in "some text".
% This has the advantage over \mbox{} that glue (rubber space)
% remains flexible. It has the disadvantage of not working in
% all cases! Most common cases are handled here (\linebreak is
% disabled, for example) but spaces hidden in macros or { }
% can still create break-points.
%
% Large pieces of text with no breaks can cause problems with
% paragraph justification. Giving the package option [ragged]
% allows a line before the unbreakable text to be cut short.
%
% You should declare \sloppy in your document.
\let\nb@ragged\relax
\DeclareOption{ragged}{
\def\nb@ragged{%
\skip@\lastskip \unskip
\nb@counter \lastpenalty
\hskip \z@ plus 2cm\relax
\penalty\nb@counter
\advance\skip@ \z@ plus -2cm\relax
\hskip\skip@
}}
\ProcessOptions
\let\nb@@iwspace=\ %
\let\nb@@hskip=\hskip
\let\nb@@penalty=\penalty
\newcount\nb@counter
\ifx\langwohyphens\undefined
\newlanguage\nb@lang
\else
\let\nb@lang\langwohyphens
\fi
\DeclareRobustCommand{\nolbreaks}[1]{%
\leavevmode
\begingroup
% Apply flexible lead-in
\nb@ragged
% Prevent hyphenation
\language\nb@lang
% Disable commands that give breakpoints
\let\ \nb@iwspace
\let\hskip\nb@hskip
\let\penalty\nb@penalty
\let\language\nb@counter
% Prevent breaks in math
\relpenalty\@M
\binoppenalty\@M
% Prevent breaks at spaces (only outermost visible spaces)
\@PreserveSpaces \@empty #1 \@PreserveSpaces
\endgroup
}
\def\@PreserveSpaces#1 {#1\@ifnextchar\@PreserveSpaces{\@gobble}%
{\@firstofone{\nb@@penalty\@M} \@PreserveSpaces\@empty}}
\def\nb@iwspace{\nb@@penalty\@M \nb@@iwspace}
\def\nb@hskip {\nb@@penalty\@M \nb@@hskip}
\def\nb@penalty{\nb@@penalty\@M \nb@counter}
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