The result is an invalid ePub book since some pages do not follow strict xhtml rules; tag mismatch. iBooks and some other readers fail to render them. This pag

The result is an invalid ePub book since some pages do not follow strict xhtml rules; tag mismatch. iBooks and some other readers fail to render them. This page contains the following errors: error on line 13 at column 7: Opening and ending tag mismatch: font line 0 and p