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Inline Elements

capture meaning of short text phrases (words)
general—computer output, user input, replaceable value, XML/HTML tag, …
user interface—buttons, icons, menus, keys, hot keys, mouse buttons, …
programming—constant, variable, class, function, interface, database, error code, error message, struct, token, property, return value, …
operating system—application, command, environment variable, filename, message, option, parameter, …

source

<para>You must set <envar>APPHOME</envar>
environment variable in order to get 
application running. On unix system 
you set the variable by issuing command
<command>APPHOME=/usr/local/app; export
APPHOME</command>. In Windows, go to 
<application>Control panel</application> 
and then inside <guimenuitem>System</guimenuitem>
property card press 
<guibutton>Environment</guibutton>. 
User names are stored inside
<filename>/etc/passwd</filename> file. 
My email address is
<email>jirka@kosek.cz</email>. You can 
print to stdout by <function>printf</function>
function. Computer can be shutted down by pressing
<keycombo action="simul"><keycap>Ctrl</keycap>
<keycap>Alt</keycap><keycap>Del</keycap></keycombo>.</para>

output

You must set APPHOME environment variable in order to get application running. On unix system you set the variable by issuing command APPHOME=/usr/local/app; export APPHOME. In Windows, go to Control panel and then inside System property card press Environment. User names are stored inside /etc/passwd file. My email address is <jirka@kosek.cz>. You can print to stdout by printf function. Computer can be shutted down by pressing Ctrl+Alt+Del.