Help for this page
#!/usr/bin/perl ... print $html eq $expected ? "passed" : "FAILED", "\n\n"; print $wiki, "\n\n", $expected, "\n\n", $html, "\n";
passed ... <u><i>one <b>two</b></i> th/ree</u> null <u><i>four <b>five</b></i> si +x</u> null <u><i>se_ven <b>eight</b></i> nine</u> <u><i>one <b>two</b></i> th/ree</u> null <u><i>four <b>five</b></i> si +x</u> null <u><i>se_ven <b>eight</b></i> nine</u>