\italic doesn't italicize much

[Fairchild]

Should it?  Try this:

%%%%%%%%%%%%%%%%%%%%%

\version "2.8.5"
#(set-default-paper-size "letter")
#(ly:set-option 'point-and-click #f)
BLOCK = {
c''1
   _\markup { \huge       \medium \upright   "Huge Medium Upright" }
   _\markup { \large      \medium \upright   "Large Medium Upright" }
   _\markup { \normalsize \medium \upright   "Normal Medium Upright" }
   _\markup { \small      \medium \upright   "Small Medium Upright" }
   _\markup { \tiny       \medium \upright   "Tiny Medium Upright" }
   _\markup { \teeny      \medium \upright   "Teeny Medium Upright" }

c''_\markup { \huge       \bold   \upright   "Huge Bold Upright" }
   _\markup { \large      \bold   \upright   "Large Bold Upright" }
   _\markup { \normalsize \bold   \upright   "Normal Bold Upright" }
   _\markup { \small      \bold   \upright   "Small Bold Upright" }
   _\markup { \tiny       \bold   \upright   "Tiny Bold Upright" }
   _\markup { \teeny      \bold   \upright   "Teeny Bold Upright" }
\break
c''_\markup { \huge       \medium \italic    "Huge Medium Italic" }
   _\markup { \large      \medium \italic    "Large Medium Italic" }
   _\markup { \normalsize \medium \italic    "Normal Medium Italic" }
   _\markup { \small      \medium \italic    "Small Medium Italic" }
   _\markup { \tiny       \medium \italic    "Tiny Medium Italic" }
   _\markup { \teeny      \medium \italic    "Teeny Medium Italic" }

c''_\markup { \huge       \bold   \italic    "Huge Bold Italic" }
   _\markup { \large      \bold   \italic    "Large Bold Italic" }
   _\markup { \normalsize \bold   \italic    "Normal Bold Italic" }
   _\markup { \small      \bold   \italic    "Small Bold Italic" }
   _\markup { \tiny       \bold   \italic    "Tiny Bold Italic" }
   _\markup { \teeny      \bold   \italic    "Teeny Bold Italic" }
\break
c''_\markup { \huge       \medium \smallCaps "Huge Medium SmallCaps" }
   _\markup { \large      \medium \smallCaps "Large Medium SmallCaps" }
   _\markup { \normalsize \medium \smallCaps "Normal Medium SmallCaps" }
   _\markup { \small      \medium \smallCaps "Small Medium SmallCaps" }
   _\markup { \tiny       \medium \smallCaps "Tiny Medium SmallCaps" }
   _\markup { \teeny      \medium \smallCaps "Teeny Medium SmallCaps" }

c''_\markup { \huge       \bold   \smallCaps "Huge Bold SmallCaps" }
   _\markup { \large      \bold   \smallCaps "Large Bold SmallCaps" }
   _\markup { \normalsize \bold   \smallCaps "Normal Bold SmallCaps" }
   _\markup { \small      \bold   \smallCaps "Small Bold SmallCaps" }
   _\markup { \tiny       \bold   \smallCaps "Tiny Bold SmallCaps" }
   _\markup { \teeny      \bold   \smallCaps "Teeny Bold SmallCaps" }
}
                                {{
   \override Staff.Clef         #'transparent = ##t
   \override Score.BarNumber    #'transparent = ##t
   \override       NoteHead     #'transparent = ##t
   \override Staff.BarLine      #'transparent = ##t
   \override Staff.StaffSymbol  #'line-count  = #1
   \override Staff.StaffSymbol  #'transparent = ##t
  c''_\markup { \hspace #35 "Default"              } \break \BLOCK \break
  \override TextScript #'font-name = #"Times"
  c''_\markup { \hspace #35 "Times"                } \break \BLOCK
\pageBreak
  \override TextScript #'font-name = #"Times New Roman"
  c''_\markup { \hspace #35 "Times New Roman"      } \break \BLOCK \break
  \override TextScript #'font-name = #"Thorndale AMT"
  c''_\markup { \hspace #35 "Thorndale AMT"        } \break \BLOCK
\pageBreak
  \override TextScript #'font-name = #"Bitstream Vera Serif"
  c''_\markup { \hspace #35 "Bitstream Vera Serif" } \break \BLOCK \break
  \override TextScript #'font-name = #"Nimbus Roman No9 L"
  c''_\markup { \hspace #35 "Nimbus Roman No9 L"   } \break \BLOCK
\pageBreak
  \override TextScript #'font-name = #"Luxi Serif"
  c''_\markup { \hspace #35 "Luxi Serif"           } \break \BLOCK \break
  \override TextScript #'font-name = #"Vera Bold"
  c''_\markup { \hspace #35 "Vera Bold"            } \break \BLOCK
\pageBreak
                                }}
\layout{ \context { \Staff \remove "Time_signature_engraver" } }
                                \paper {
print-page-number       = ##f
left-margin             = 0.50\in
line-width              = 7.50\in
indent                  = 0.00\in       
top-margin              = 0.10\in
bottom-margin           = 0.10\in
footsep                 = 0.10\in
between-system-padding  = -.10\in
between-system-space    = 0.10\in
ragged-bottom           = ##t
ragged-last-bottom      = ##t
                                }

%%%%%%%%%%%%%%%%%%%%%

                    - Bruce