or: 

[1] Only give exact copies of it.  Among other things, this
requires that you do not remove, alter or modify the
eBook or this "small print!" statement.  You may however,
if you wish, distribute this eBook in machine readable
binary, compressed, mark-up, or proprietary form,
including any form resulting from conversion by word
processing or hypertext software, but only so long as
*EITHER*: 

[*] The eBook, when displayed, is clearly readable, and
does *not* contain characters other than those
intended by the author of the work, although tilde
(~), asterisk (*) and underline (_) characters may
be used to convey punctuation intended by the
author, and additional characters may be used to
indicate hypertext links; OR 

[*] The eBook may be readily converted by the reader at