m_ListLibr->SetToolTip(_("List of active library files.\nOnly library files in this list are loaded by Eeschema.\nThe order of this list is important:\nEeschema searchs for a given component using this list order priority."));
<propertyname="tooltip">List of active library files.
Only library files in this list are loaded by Eeschema.
The order of this list is important:
Eeschema searchs for a given component using this list order priority.</property>