-use C4::Heading;
-my $heading = C4::Heading->new_from_bib_field($field);
-my $thesaurus = $heading->thesaurus();
-my $type = $heading->type();
-my $display_heading = $heading->display();
-my $search_string = $heading->search_string();
+ use C4::Heading;
+ my $heading = C4::Heading->new_from_bib_field($field);
+ my $thesaurus = $heading->thesaurus();
+ my $type = $heading->type();
+ my $display_heading = $heading->display();
+ my $search_string = $heading->search_string();