\mathrm	FAMILY_REGULAR
\mathit	FAMILY_ITALIC
\mathbf	FAMILY_BOLD
\mathscr	FAMILY_MATH_SCRIPT_ITALIC
\mathfr	FAMILY_MATH_FRAKTUR_REGULAR
\mathbb	FAMILY_MATH_BLACKBOARD_BOLD
\mathsf	FAMILY_MATH_SANS_SERIF_REGULAR
\mathtt	FAMILY_MATH_MONOSPACE
