Function and graphics properties
val is_dash : Stdlib.Uchar.t -> boolis_dash u is true if u has the Dash property.
val is_diacritic : Stdlib.Uchar.t -> boolis_diacritic u is true if u has the Diacritic property.
val is_extender : Stdlib.Uchar.t -> boolis_extender u is true if u has the Extender property.
val is_grapheme_base : Stdlib.Uchar.t -> boolis_grapheme_base u is true if u has the Grapheme_Base property.
val is_grapheme_extend : Stdlib.Uchar.t -> boolis_grapheme_extend u is true if u has the Grapheme_Extend property.
val is_math : Stdlib.Uchar.t -> boolis_math u is true if u has the Math property.
val is_quotation_mark : Stdlib.Uchar.t -> boolis_quotation_mark u is true if u has the Quotation_Mark property.
val is_soft_dotted : Stdlib.Uchar.t -> boolis_soft_dotted u is true if u has the Soft_Dotted property.
val is_terminal_punctuation : Stdlib.Uchar.t -> boolis_terminal_punctuation u is true if u has the Terminal_Punctuation property.
val is_regional_indicator : Stdlib.Uchar.t -> boolis_regional_indicator u is true if u has the Regional_indicator property.
val is_join_control : Stdlib.Uchar.t -> boolis_join_control u is true if u has the Join_Control property.