Cutting and pasting text is not always going to do what you want.
I will note that some 'helpful' programs (including some Mail User
Agents) may transcode character strings. For example, the two characters
'--' UTF-8 (hex) 0x2d 0x2d get transcoded as EM DASH (U+2014) or UTF-8
(hex) 0xe2 0x80 0x94. Or three . (dot) as HORIZONTAL ELLIPSIS (U+2026)
UTF-8 (hex) 0xe2 0x80 0xa6. Then there are the smart single and double
quotes to consider.
So, I tend to agree that base64 is needful.
-- Mark
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