When inserting an infobox copied from a pre-existing article, I've got lots of & nbsp; in place of spaces, which used to be there to align the '=' signs. The text was prepared in an external editor and pasted into the NWE. diff: https://pl.wikipedia.org/w/index.php?title=Granatnik_%C5%81opuskiego&diff=47925741&oldid=47916581