Presentation definitions

In the rule file for a client, you can define the presentation of a given data type. The syntax is
		presentation   <representation>  <command-string>
where the parameters are
A MIME-style content type. You can use regulare MIME types, such as image/jpeg, or your own extensions which start with x-, such as image/x-tiff, application/x-my-app. See also above .
<command string>
The command needed to display a temporary file of this type. A "%s" within this string will be replaces with the name of the temporary file. Note that is any file suffix has been specified as corresenponding to this representation, then the temporarty file will be give that (or the first if there is a choice) suitable suffix.