use strict;
use Texinfo::Convert::HTML;
my $button_text = 'Library';
my %defaults = Texinfo::Convert::HTML::converter_defaults({},{});
# or
# my %defaults = Texinfo::Convert::HTML::converter_defaults({},{'TEXI2HTML' => 1});
my @SECTION_BUTTONS = (@{$defaults{'SECTION_BUTTONS'}}, \$button_text);
set_from_init_file('SECTION_BUTTONS', address@hidden);
my @CHAPTER_BUTTONS = (@{$defaults{'CHAPTER_BUTTONS'}}, \$button_text);
set_from_init_file('CHAPTER_BUTTONS', address@hidden);
my @MISC_BUTTONS = (@{$defaults{'MISC_BUTTONS'}}, \$button_text);
set_from_init_file('MISC_BUTTONS', address@hidden);
my @TOP_BUTTONS = (@{$defaults{'TOP_BUTTONS'}}, \$button_text);
set_from_init_file('TOP_BUTTONS', address@hidden);
set_from_init_file('AFTER_BODY_OPEN',
'