#110 Let ::mime::parsepart accept a header only with multipart

[Ingemar Hansson]

When calling ::mime::initialize with a header only and the
header includes a multipart description, ::mime::parsepart
will return an end-of-file error.
This patch fixes that by counting the lines after the
header. If no lines are found, no error is thrown.

This is useful when you want to parse a mail header only
with help of the mime package.

Something to think of:
This only works if the last newline character returned
from ::pop3::top is removed prior to calling ::mime::
initialize. I thought of patching pop3 too, but thought
that it's correct that the last line returned also contains
a newline character.
To help the user so he not needs to think of removing the
last newline character, maybe ::mime::parsepart should
count non-blank lines after the header, instead of just
counting lines.

[Ingemar Hansson]

Diff between tcllib 1.5(!) mime.tcl and the modified one.

[Andreas Kupries]

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Marshall, does this make sense ?

Or should we have a special command just for parsing the
header of a mail or mime part ?