Ratel - Edit Language Map
This dialog box allows you to edit the data of a language map.
Regular expression describing the language map — Enter the regular expression matching the language or languages for the language rule (group of rules) of this language map.
The expression above matches any language code starting with
fr regardless of the cases:
Name of the language rule associated with the regular expression — Enter the name of the language rule (group of rules) for this language map. The name is case-sensitive. This name must be in the Language Rules list of the Groups and Options dialog box.