Fix issue reported at http://forums.zotero.org/discussion/26922/
Fix issue reported at http://forums.zotero.org/discussion/26922/

Since we still use E4X, this is a hack to make sure the span tag has a separate close tag.

LinuxMercedes/zotero,retorquere/zotero,gracile-fr/zotero,sendecomp/zotero,egh/zotero,hoehnp/zotero,hoehnp/zotero,sendecomp/zotero,robamler/zotero,robamler/zotero,gracile-fr/zotero,retorquere/zotero,egh/zotero,LinuxMercedes/zotero,gracile-fr/zotero,sendecomp/zotero,aurimasv/zotero,adunning/zotero,fbennett/zotero,hoehnp/zotero,adunning/zotero,rmzelle/zotero,adunning/zotero,LinuxMercedes/zotero,rmzelle/zotero,retorquere/zotero,robamler/zotero,rmzelle/zotero,egh/zotero