Updated http://www.w3.org/International/O-HTTP-charset.html

Dear colleagues,

Based on a suggestion from a reader, I have added some information
about how to set Content-Type (including charset) from scripts at
http://www.w3.org/International/O-HTTP-charset.html.
Look for the text
"The appropriate header can also be set by in script, as follows:"

Regards,   Martin.