Program text

Short text It is usually convenient to set program text in a fixed-width font. The \prog command allows you to do this: its argument is set in typewriter font. For example

the call of the \prog{wild}
is answered in \prog{kind}.

appears as: the call of the wild is answered in kind.

This command behaves exactly like a \tt declaration (see $[*]$ ) except that:

It redefines the \bslash command (see $[*]$ for details).
It allows interword spacing to stretch or shrink a little; this allows LaTeX to pick better line breaks in two-column format.

Long text For longer pieces of program text, the verbatim environment is used, see $[*]$ for details. The iso style provides for the creation of multiple verbatim environments with the \newverbatim command; this allows different types of program text to be enclosed in different environments. Thus:

\newverbatim{example}
\newverbatim{definition}

creates two new environments, example and definition, each of whose contents is displayed in the same way; an automatic tool could now be written to, say, extract all example text and ensure that it is syntactically valid.