ssa bold and italic

testdata/src/test/assets/media/ssa/style_bold_italic

+[Script Info]
+Title: SSA/ASS Test
+Original Script: Abel
+Script Type: V4.00+
+PlayResX: 1280
+PlayResY: 720
+
+[V4+ Styles]
+Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
+Style: FontBold        ,Roboto,50,&H000000FF,&H000000FF,&H00000000,&H00000000,-1,0,0,0,100,100,0,0,1,3,0,2,50,50,70,1
+Style: FontItalic      ,Roboto,50,&H000000FF,&H000000FF,&H00000000,&H00000000,0,-1,0,0,100,100,0,0,1,3,0,2,50,50,70,1
+Style: FontItalic      ,Roboto,50,&H000000FF,&H000000FF,&H00000000,&H00000000,-1,-1,0,0,100,100,0,0,1,3,0,2,50,50,70,1
+
+
+
+[Events]
+Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
+Dialogue: 0,0:00:00.95,0:00:03.11,FontSizeSmall      ,Arnold,0,0,0,,First line with font size 30.
+Dialogue: 0,0:00:08.50,0:00:11.50,FontSizeBig        ,Arnold,0,0,0,,Second line with font size 72.2.
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