Many email messages are line wrapped after 80 chars.
This is unneccesary and unwanted in HTML.
=v= The current fashionability of unwrapped lines is very
unfortunate. Email should, above all, be human-readable,
and jamming entire paragraphs into one line is exactly the
opposite. "Unwanted?" HTML doesn't care whether there's
a newline or a space there, but human eyes prefer newlines.
=v= Bear in mind that not everyone out there has whizbang
HTML mailers, and that "Content-Type: ... format=flowed"
is inconsistently implemented (and often not specified).
=v= Think of all the times you've been sent crap like this:
Now is the time for all good persons to come to the
aid of their=20
planet. The lazy dog jumped over the quick brown
Not exactly readable by humans *or* computers. Judicious
use of newlines cures many ills, at no cost.