They are artifacts generated for the page https://doc.sagemath.org/html/en/tutorial/latex.html
Perhaps they may be deleted after the doc is built... -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/sage-devel/c6baeacd-8c48-4ef0-b0b3-ef36f8424b65n%40googlegroups.com.
