
\documentclass{article}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\usepackage{doublespace}

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%TCIDATA{Created=Thu Apr 27 13:51:16 2000}
%TCIDATA{LastRevised=Thu Apr 27 14:51:47 2000}
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\input{tcilatex}

\begin{document}

\title{Testing the \texttt{doublespace} package}
\author{A. U. Thor}
\maketitle

\section{Testing the \texttt{doublespace} package}

\subsection{Single, One and a Half Space, and Double Space}

Why is programming fun? What delights may its practitioner expect as his
reward?

%TCIMACRO{
%\TeXButton{Begin single space}{\begin{singlespace}%
%}}%
%BeginExpansion
\begin{singlespace}%
%
%EndExpansion
\emph{(This paragraph is marked as single space) }First is the sheer joy of
making things. As the child delights in his mud pie, so the adult enjoys
building things, especially things of his own design. I think this delight
must be an image of God's delight in making things, a delight shown in the
distinctness and newness of each leaf and each snowflake.%
%TCIMACRO{
%\TeXButton{End Single Space}{\end{singlespace}%
%}}%
%BeginExpansion
\end{singlespace}%
%
%EndExpansion

Second is the pleasure of making things that are useful to other people.
Deep within, we want others to use our work and to find it helpful. In this
respect the programming system is not essentially different from the child's
first clay pencil holder ``for Daddy's office."

%TCIMACRO{
%\TeXButton{Begin single space}{\begin{singlespace}%
%}}%
%BeginExpansion
\begin{singlespace}%
%
%EndExpansion
\emph{(The match to the single space TeX field is at the end of the section) 
}First is the sheer joy of making things. As the child delights in his mud
pie, so the adult enjoys building things, especially things of his own
design. I think this delight must be an image of God's delight in making
things, a delight shown in the distinctness and newness of each leaf and
each snowflake.

%TCIMACRO{
%\TeXButton{Begin Double Space}{\begin{doublespace}%
%}}%
%BeginExpansion
\begin{doublespace}%
%
%EndExpansion
\emph{(This paragraph is double spaced) }Second is the pleasure of making
things that are useful to other people. Deep within, we want others to use
our work and to find it helpful. In this respect the programming system is
not essentially different from the child's first clay pencil holder ``for
Daddy's office.''%
%TCIMACRO{
%\TeXButton{End Double Space}{\end{doublespace}%
%}}%
%BeginExpansion
\end{doublespace}%
%
%EndExpansion

Third is the fascination of fashioning complex puzzle-like objects of
interlocking moving parts and watching them work in subtle cycles, playing
out the consequences of principles built in from the beginning. The
programmed computer has all the fascination of the pinball machine or the
jukebox mechanism, carried to the ultimate.

Fourth is the joy of always learning, which springs from the nonrepeating
nature of the task. In one way or another the problem is ever new, and its
solver learns something: sometimes practical, sometimes theoretical, and
sometimes both.

%TCIMACRO{
%\TeXButton{Begin One and a Half Space}{\begin{onehalfspace}%
%}}%
%BeginExpansion
\begin{onehalfspace}%
%
%EndExpansion
\emph{(This paragraph is one and a half spaced) }Finally, there is the
delight of working in such a tractable medium. The programmer, like th poet,
works only slightly removed from pure thought-stuff. He builds his castles
in the air from air, creating by exertion of the imagination. Few media of
creation are so flexible, so easy to polish and rework, so readily capable
of realizing grand conceptual structures. (As we shall see later, this very
tractability has its own problems.)%
%TCIMACRO{
%\TeXButton{End One and a Half Space}{\end{onehalfspace}%
%}}%
%BeginExpansion
\end{onehalfspace}%
%
%EndExpansion

Yet the program construct, unlike the poet's words, is real in the sense
that it moves and works, producing visible outputs separate from the
construct itself. It brings results, draws pictures, produces sounds, moves
arms. The magic of myth and legend has come true in our time. One types the
correct incantation on a keyboard, and a display screen comes to life,
showing things that never were nor could be.%
%TCIMACRO{
%\TeXButton{End Single Space}{\end{singlespace}%
%}}%
%BeginExpansion
\end{singlespace}%
%
%EndExpansion

\subsection{Arbitrary Line Spacing}

Why is programming fun? What delights may its practitioner expect as his
reward?

First is the sheer joy of making things. As the child delights in his mud
pie, so the adult enjoys building things, especially things of his own
design. I think this delight must be an image of God's delight in making
things, a delight shown in the distinctness and newness of each leaf and
each snowflake.

%TCIMACRO{
%\TeXButton{1.2 line spacing}{\setstretch{1.2}\small\normalsize%
%}}%
%BeginExpansion
\setstretch{1.2}\small\normalsize%
%
%EndExpansion
\emph{(Start 1.2 line spacing here) }Second is the pleasure of making things
that are useful to other people. Deep within, we want others to use our work
and to find it helpful. In this respect the programming system is not
essentially different from the child's first clay pencil holder ``for
Daddy's office.''

Third is the fascination of fashioning complex puzzle-like objects of
interlocking moving parts and watching them work in subtle cycles, playing
out the consequences of principles built in from the beginning. The
programmed computer has all the fascination of the pinball machine or the
jukebox mechanism, carried to the ultimate.

Fourth is the joy of always learning, which springs from the nonrepeating
nature of the task. In one way or another the problem is ever new, and its
solver learns something: sometimes practical, sometimes theoretical, and
sometimes both.

%TCIMACRO{
%\TeXButton{Triple Space}{\setstretch{3}\small\normalsize%
%}}%
%BeginExpansion
\setstretch{3}\small\normalsize%
%
%EndExpansion
\emph{(Start triple line spacing here) }Finally, there is the delight of
working in such a tractable medium. The programmer, like th poet, works only
slightly removed from pure thought-stuff. He builds his castles in the air
from air, creating by exertion of the imagination. Few media of creation are
so flexible, so easy to polish and rework, so readily capable of realizing
grand conceptual structures. (As we shall see later, this very tractability
has its own problems.)

Yet the program construct, unlike the poet's words, is real in the sense
that it moves and works, producing visible outputs separate from the
construct itself. It brings results, draws pictures, produces sounds, moves
arms. The magic of myth and legend has come true in our time. One types the
correct incantation on a keyboard, and a display screen comes to life,
showing things that never were nor could be.

Programming then is fun because it gratifies creative longings built deep
within us and delights sensibilities we have in common with all men.

\end{document}
