+ eval q{use HTML::TreeBuilder};
+ error $@ if $@;
+ my $tree = HTML::TreeBuilder->new();
+ $tree->ignore_unknown(0);
+ $tree->ignore_ignorable_whitespace(0);
+ $tree->no_space_compacting(1);
+ $tree->p_strict(1);
+ $tree->store_comments(0);
+ $tree->store_declarations(0);
+ $tree->store_pis(0);
+ $tree->parse_content($params{content});