An environment is a block of code contained within the
where <env-name> is the name of the environment. The block of code is then formatted in a method specific to that environment. For example, the bfseries2.5 environment will typeset the contents of the environment in a bold font. The following code:
will appear in the typeset document looking like:
Some environments also supply commands that may only be used within that environment.
The above will produce the following output:
This book is also available as A4 PDF or 12.8cm x 9.6cm PDF or paperback (ISBN 978-1-909440-00-5).