rewrite utf8 parser for strictness: bug 231659 r=MisterSSL
rewrite utf8 parser for strictness: bug 231659 r=MisterSSL

thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss