JdeBPStricly speaking, #Unscii isn't providing true italics here. It is, rather, being faked with an oblique slant, which isn't the same.
Notice how the transform used gives different heights to the letters 'n' and 'm', making the italicized word "filename" look uneven.
Oblique is an inferior substitute for a properly italicized font, where the italic letters actually have different shapes to the upright ones, and aren't simply toppled-over versions of them.
