Warning: Calls the user's attention to a situation that could be dangerous to the user.
<warning> text <\warning>
The text of the warning message is printed in boldface.
The default heading for the warning is "Warning". To specify a different heading, use the <head> element.
To display a graphic with the warning, define WarningElementDefaultIconFile in an <!entity> declaration. The default warning icon named warnicon.pm is located in the /usr/dt/dthelp/dthelptag/icons directory.
The <\warning> end tag is required.
The following markup creates a warning message:
<warning> Failure to follow these guidelines could result in serious consequences. <\warning>
The following markup specifies a different heading for the warning message:
<warning><head>Danger! Do not open the high-voltage compartment. <\warning>