envar — A software environment variable
envar ::=
(text | phrase
db._phrase | replaceable
| Graphic inlines | Indexing inlines | Linking inlines | Ubiquitous inlines)*
An envar
is an “environment variable.”
Environment variables are used most often in the
UNIX, DOS, and Windows
environments.
<article xmlns='http://docbook.org/ns/docbook'> <title>Example envar</title> <para>In order to translate public identifiers into local system identifiers, <application>Jade</application> and <application>SP</application> read the catalog files pointed to by <envar>SGML_CATALOG_FILES</envar>. </para> </article>