About Arbortext Styler > Defining Page Layout > Hyphenation > Single Hyphenation Language for Document
  
Single Hyphenation Language for Document
In this instance your document will use a single language throughout. Configure the following settings:
Document language
Provide a default document language.
Language mappings
If necessary, map general languages from the document to more specific ones. For example, map en to en-GB to specify that UK English hyphenation rules should be used when the document's language is English.
Hyphenation language
Set one of the following for the document element:
Set Language to (Use Document Language)
Set Language to the name of the required hyphenation scheme