We need to treat Latin-1 as if it were windows-1252, see bug 7602.

As entities: €ƒ†‡

(escaped): %u20AC%81%u0192%u2020%u2021

Inline: €ƒ†‡

(escaped): %u20AC%81%u0192%u2020%u2021

document.write of unicode escapes: 

(escaped): %80%81%83%86%87

innerHTML assignment of unicode escapes: 

(escaped): %80%81%83%86%87
