%%
%% This is file `umoline.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% umoline.dtx  (with options: `package')
%% 
%% IMPORTANT NOTICE:
%% 
%% For the copyright see the source file.
%% 
%% Any modified versions of this file must be renamed
%% with new filenames distinct from umoline.sty.
%% 
%% For distribution of the original source see the terms
%% for copying and modification in the file umoline.dtx.
%% 
%% This generated file may be distributed as long as the
%% original source files, as listed above, are part of the
%% same distribution. (The sources need not necessarily be
%% in the same archive or directory.)
%% Style file `umoline'.
%% Copyright (C) 1999,2000  Hiroshi Nakashima <nakasima@tutics.tut.ac.jp>
%%        (Toyohashi Univ. of Tech.)
%%
%% This program can be redistributed and/or modified under the terms
%% of the LaTeX Project Public License distributed from CTAN
%% archives in directory macros/latex/base/lppl.txt; either
%% version 1 of the License, or any later version.
%%
%% \CharacterTable
%%  {Upper-case    \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%%   Lower-case    \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%%   Digits        \0\1\2\3\4\5\6\7\8\9
%%   Exclamation   \!     Double quote  \"     Hash (number) \#
%%   Dollar        \$     Percent       \%     Ampersand     \&
%%   Acute accent  \'     Left paren    \(     Right paren   \)
%%   Asterisk      \*     Plus          \+     Comma         \,
%%   Minus         \-     Point         \.     Solidus       \/
%%   Colon         \:     Semicolon     \;     Less than     \<
%%   Equals        \=     Greater than  \>     Question mark \?
%%   Commercial at \@     Left bracket  \[     Backslash     \\
%%   Right bracket \]     Circumflex    \^     Underscore    \_
%%   Grave accent  \`     Left brace    \{     Vertical bar  \|
%%   Right brace   \}     Tilde         \~}
%%
%%
\def\next{LaTeX2e}
\ifx\fmtname\next
\def\next{
\NeedsTeXFormat{LaTeX2e}[1994/12/01]
\ProvidesPackage{umoline}}
\else\def\next[#1]{}\fi
\next
[2000/07/11 v1.1 ]

\ifx\PackageError\undefined
\def\PackageError#1#2#3{\@latexerr{#1:#2}{#3^^J\@ehc}}
\fi

%%^L

%% Register Declaration

\newdimen\UnderlineDepth \UnderlineDepth-\maxdimen
\newdimen\MidlineHeight \MidlineHeight-\maxdimen
\newdimen\OverlineHeight \OverlineHeight-\maxdimen
\newdimen\UMOlineThickness \UMOlineThickness.4pt

\newdimen\UMO@height \newdimen\UMO@depth

\newcount\UMO@spacefactor

\newif\ifUMO@nospace

%%^L

%% User Interface and Initialization

\def\MidlineChar{\def\UMO@midlinechar}
\MidlineChar{-}

\def\Underline{\UMO@line\UnderlineDepth{-\UnderlineDepth}{-\dp\strutbox}}
\def\Midline{\setbox\@tempboxa\hbox{\UMO@midlinechar}%
        \UMO@line\MidlineHeight\MidlineHeight{.5\ht\@tempboxa}}
\def\Overline{\UMO@line\OverlineHeight\OverlineHeight{\ht\strutbox}}
\def\UMOline{\UMO@line{-\maxdimen}\z@}

\def\UMO@line#1#2#3#4{\begingroup \let\\\UMOnewline
        \ifdim#1<\z@ \UMO@height#3\relax
        \else \UMO@height#2\relax \fi
        \UMO@depth-\UMO@height
        \ifdim\UMO@height<\z@ \advance\UMO@depth\UMOlineThickness
        \else                 \advance\UMO@height\UMOlineThickness \fi
        \UMO@nospacetrue
        \ifvmode\leavevmode\fi \UMO@spacefactor\spacefactor
        \def\@tempa{#4 }\edef\@tempb{\noexpand\@nil\space}%
        \expandafter\expandafter\expandafter\UMO@wordloop
                \expandafter\@tempa\@tempb
        \endgroup \UMO@aftergroup}

%%^L

%% Processing Word Elements

\def\UMO@wordloop{\UMO@ifbgroup\UMO@wordblock\UMO@iwordloop}
\def\UMO@ifbgroup#1#2{\let\@tempa#1\let\@tempb#2\futurelet\@tempc\UMO@ifnc}
\def\UMO@ifnc{\ifx\@tempc\bgroup \let\next\@tempa \else\let\next\@tempb \fi
        \next}
\def\UMO@wordblock#1{\UMO@spaceskip
        \def\UMO@theword{#1}\UMO@putword \UMO@nospacetrue
        \UMO@wordloop}
\def\UMO@iwordloop#1 {\def\@tempa{#1}\ifx\@tempa\@nnil \let\next\UMO@end
        \else\ifx\@tempa\empty \else
                \UMO@spaceskip
                \def\UMO@theword{}\UMO@charloop#1\@nil\fi
        \UMO@nospacefalse \let\next\UMO@wordloop \fi
        \next}

\def\UMO@charloop{\UMO@ifbgroup\UMO@charblock\UMO@icharloop}
\def\UMO@charblock#1{\UMO@putword
        \def\UMO@theword{#1}\UMO@putword
        \UMO@charloop}
\def\UMO@icharloop#1{\def\@tempa{#1}%
        \ifx\@tempa\@nnil \UMO@putword \let\next\relax
        \else\ifx\UMOspace#1\relax \UMO@putword \let\next\UMO@space
        \else\ifx\UMOnewline#1\relax \UMO@putword \let\next\UMO@newline
        \else\edef\UMO@theword{\UMO@theword#1}%
                \let\next\UMO@charloop \fi\fi\fi \next}
\def\UMOspace{\PackageError{jumoline}%
        {\string\UMOspace\space cannot be used here.}%
        {\string\UMOspace\space can be used only in the argument of
                \string\Underline\space and its relatives.}}
\def\UMOnewline{\PackageError{jumoline}%
        {\string\UMOnewline\space cannot be used here.}%
        {\string\UMOnewline\space can be used only in the argument of
                \string\Underline\space and its relatives.}}

%%^L

%% Interword Spacing

\def\UMO@spaceskip{\ifUMO@nospace\else
        \ifdim\spaceskip=\z@
            \@tempdima\fontdimen3\font\relax
                \multiply\@tempdima\UMO@spacefactor \divide\@tempdima\@m
            \@tempdimb\fontdimen4\font\relax \multiply\@tempdimb\@m
                \divide\@tempdimb\UMO@spacefactor
            \@tempskipa\fontdimen2\font plus\@tempdima minus\@tempdimb\relax
        \else
            \edef\@tempa{\the\spaceskip\space @ @ @ @ }%
            \expandafter\UMO@setspaceskip\@tempa\@nil
        \fi
        \ifnum\UMO@spacefactor<2000\else
                \ifdim\xspaceskip=\z@ \advance\@tempskipa\fontdimen7\font
                \else \@tempskipa\xspaceskip
        \fi\fi
        \UMO@skip\@tempskipa \fi}
\def\UMO@setspaceskip#1 #2 #3 #4 #5 #6\@nil{\@tempdima\z@ \@tempdimb\z@
        \def\@tempa{#2}\def\@tempb{#3}%
        \ifx\@tempa\UMO@plus \@tempdima#3\def\@tempa{#4}\def\@tempb{#5}\fi
        \ifx\@tempa\UMO@minus \@tempdimb\@tempb\relax\fi
        \multiply\@tempdima\UMO@specefactor \divide\@tempdima\@m
        \multiply\@tempdimb\@m \divide\UMO@spacefactor
        \@tempskipa#1 plus\@tempdima minus\@tempdimb\relax}
\def\@tempa#1 #2 #3 #4 #5\@nil{\def\UMO@plus{#2}\def\UMO@minus{#4}}
\@tempskipa1pt plus 2pt minus 3pt
\expandafter\@tempa\the\@tempskipa\@nil

%%^L

%% Draw Under/Mid/Overline

\def\UMO@putword{\setbox\@tempboxa\hbox{\UMO@theword
                \global\UMO@spacefactor\spacefactor}%
        \@tempdima\wd\@tempboxa
        \rlap{\vrule\@height\UMO@height\@depth\UMO@depth\@width\@tempdima}%
        \box\@tempboxa\def\UMO@theword{}}
\def\UMO@skip#1{%
        \leaders\hrule\@height\UMO@height\@depth\UMO@depth\hskip#1\relax}

%%^L

%% Explicit Spacing and Line Breaking

\def\UMO@space{\@ifstar\UMO@sspace\UMO@ispace}
\def\UMO@sspace#1{\vrule width\z@\nobreak\UMO@skip{#1}\UMO@charloop}
\def\UMO@ispace#1{\@tempskipa#1\relax
        \@ifstar{\@tempswafalse\UMO@iispace}{\@tempswatrue\UMO@iispace}}
\def\UMO@iispace{\@ifnextchar[%]
                              {\UMO@penalty}%
                              {\UMO@skip\@tempskipa \UMO@charloop}}
\def\UMO@penalty[#1]{\@tempcnta#1\relax
        \if@tempswa
                \ifnum\@tempcnta<\z@ \@tempcnta-\@tempcnta \fi
                \ifcase\@tempcnta \or
                        \@tempcnta\@lowpenalty \or
                        \@tempcnta\@medpenalty \or
                        \@tempcnta\@highpenalty \else
                        \@tempcnta\@M \fi
                \ifnum#1<\z@ \@tempcnta-\@tempcnta \fi \fi
        \penalty\@tempcnta \UMO@skip\@tempskipa \UMO@charloop}

\def\UMO@newline{\@ifstar{\UMO@skip{0pt plus1fil}\break \UMO@charloop}%
                                          {\hfil \break \UMO@charloop}}

%%^L

%% Finalization

\def\UMO@end{\xdef\UMO@aftergroup{\spacefactor\number\UMO@spacefactor}}
\endinput
%%
%% End of file `umoline.sty'.
