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You might notice when you're typing text while in the
mail program, the keyboard locks up a few characters
into the fourth line. Why?
The problem is probably that you're not pressing the Enter
key near the end of each line. The mail program
does not give you a word processor which does automatic
justification for you, it gives you a basic text entry
device. The input buffer is only 256 characters long, so
after three 80-column lines and 16 additional characters in
the fourth line, you've filled up the keyboard buffer and
cannot type any more characters. The lines may appear to wrap
on the screen, but it's happening *only* on the screen. The
input line is perceived by the computer as one long line. If
you do send mail like this, it will appear as badly formatted
very long lines to the recipient, and may confuse other
mailers.
If you press the Enter (or Return) key when the cursor gets
around an inch or so from the right margin, you'll prevent
this from happening, and your letter will look much better
when the recipient reads it.
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