RGB 0..=1, or null for default black.
OptionalcapsAll-capitals display transform (w:caps, PPTX cap="all"). The run text
keeps its original casing — render with text-transform:uppercase.
Additive (omitted when off); present since 0.117.0.
Optionalsmall_Small-capitals variant (w:smallCaps, PPTX cap="small") — render with
font-variant:small-caps. Additive (omitted when off).
OptionaldstrikeDouble strike-through (w:dstrike); strike stays set alongside as the
single-line fallback. Additive (omitted when off).
Optionalbaseline_Baseline shift in points (positive raises; w:position ÷ 2). Additive.
Optionalchar_Horizontal character scaling in percent (w:w; 100 = normal). Additive.
Optionalkern_Kerning threshold in points (w:kern ÷ 2). Additive.
A run's character style (mirror of
model::style::CharStyle's JSON).