I wrote:
A space character (which looks like an ordinary U+0020 space to me, in
both the plain-text message I received and in the Web archive) got
erroneously converted to a question mark in Tim's plain-text mail.
Actually, I take that back. All the spaces in Tim's message look fine
to me; only in Ohta-san's quoting of Tim's message do I see the question
mark.
Regardless of where the question mark came from, this still has nothing
to do with PDF. It has only to do with tools that misinterpret
character sets or transform plain text.
--
Doug Ewell | Thornton, Colorado, USA | http://www.ewellic.org
RFC 5645, 4645, UTN #14 | ietf-languages @ http://is.gd/2kf0s
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