<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><span></span></div><div><br class="webkit-block-placeholder"></div><div>2. I have several references to titles in foreign languages, and have used the \foreignlanguage command in these references. The ones in german, french and italian create no problems, but the latin ones do: I get warnings that certain symbols are not valid in latin; I presume these are symbols in the rest of the bib file. Or perhaps this is another bug in the latin files for babel (there was an earlier one which was causing havoc with my texing until I replaced the file with a corrected update).</div><div>Here are the relevant source and bib files; again, I have isolated the problematic stuff in small test files:</div><div><span></span></div></body></html>