my $message = <<"EOF";
Usage: $0 [OPTION ...] FILE ...
-Output selection (mutually exclusive):
- -export Only output documentation for symbols that have been
- exported using EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL()
- in any input FILE or -export-file FILE.
- -internal Only output documentation for symbols that have NOT been
- exported using EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL()
- in any input FILE or -export-file FILE.
- -function NAME Only output documentation for the given function(s)
- or DOC: section title(s). All other functions and DOC:
- sections are ignored. May be specified multiple times.
- -nosymbol NAME Exclude the specified symbols from the output
- documentation. May be specified multiple times.
-
Output selection modifiers:
-no-doc-sections Do not output DOC: sections.
-enable-lineno Enable output of #define LINENO lines. Only works with
=back
+=head2 Output selection (mutually exclusive):
+
+=over 8
+
+=item -export
+
+Only output documentation for the symbols that have been exported using
+EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL() in any input FILE or -export-file FILE.
+
+=item -internal
+
+Only output documentation for the symbols that have NOT been exported using
+EXPORT_SYMBOL() or EXPORT_SYMBOL_GPL() in any input FILE or -export-file FILE.
+
+=item -function NAME
+
+Only output documentation for the given function or DOC: section title.
+All other functions and DOC: sections are ignored.
+
+May be specified multiple times.
+
+=item -nosymbol NAME
+
+Exclude the specified symbol from the output documentation.
+
+May be specified multiple times.
+
+=back
+
=cut