**NOTE:** The computed width values may not match the actual rendered column

width. For example, the woman scientist emoji comprises of a woman emoji, a

zero-width joiner and a microscope emoji.

zero-width joiner and a microscope emoji. Such[emoji ZWJ sequences](https://www.unicode.org/reports/tr51/#Emoji_ZWJ_Sequences)

are considered to have the sum of the widths of their constituent parts:

externcrate unicode_width;

}

See[Unicode Standard Annex#11][UAX11] for precise details on what is and isn't

covered by this crate.

Additionally,[defective combining character sequences](https://unicode.org/glossary/#defective_combining_character_sequence)

and nonstandard[Korean jamo](https://unicode.org/glossary/#jamo) sequences may

be rendered with a different width than what this crate says. (This is not an

exhaustive list.)