The definition of each browse macro includes predefined macro variables for a destination for the link and for a label. Table 29-3 shows the default values of the link destination and link label used in <$_prev> and <$_next> for each file position.
Table 29-4 shows the meanings of the macro variables used in browse-macro definitions.
See §27.7 Referencing split and extract files for additional macro variables that refer to file names and titles of split and extracted files.