László Németh committed a patch related to this issue. It has been pushed to "libreoffice-5-3": http://cgit.freedesktop.org/libreoffice/online/commit/?id=5bc5fedb20909bcdfed1fe44904fc392404b3bdb&h=libreoffice-5-3 tdf#106593 loleaflet: patch l10n-for-node for older Chrome versions