The following tags have self-explanatory href. In all cases the subject is
è is not ein the first exapmple it is the urlencoding of its rfc1342 representation
=?iso-8859-1?Q?=E8?= is not e
If you use the wrong tag on system that don't have iso-8859-1
compatible tables you get unexpected results. I tested on MacOS X
and got Netscape working on good and bad, iCab almost ok with good,
Internet Explorer setting
Ë rather than
è. Old browsers apparently send the "good"
form literally, but when it arrives the subject is what was meant.