<div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">The semantics of FEFF is unrelated to luatex (as typesetting<br>
engine)</blockquote><div><br>semantic of FEFF as BOM is can be unrelated to luatex as typesetting<br>
engine <br>but <br clear="all">semantic of FEFF as "space" is related to luatex as typesetting<br>
engine <br>in the same manner as the semantic of <br>
U+0041 LATIN CAPITAL LETTER A <br>is related to luatex as typesetting<br>
engine <br><br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> and its behaviour should be decided by the format or the<br>
user.<br><font color="#888888">
</font></blockquote></div>While usually I prepend to give to the user "total control" <br>because luatex is also a programming language,<br>in this situation U+FEFF is deprecated as space,<br>so I think <br>Taco's solution is good -- eventually a conscious user can modify <br>
<br>
\catcode "FEFF = 9<br><br>in something else.<br><br>-- <br>luigi<br><br>