Return the column width of a UTF-8 string.
@param s The UTF-8 encoded string. @param n The maximum number of bytes to inspect. @return The width, in columns, of the UTF-8 string.
See Implementation
Return the column width of a UTF-8 string.
@param s The UTF-8 encoded string. @param n The maximum number of bytes to inspect. @return The width, in columns, of the UTF-8 string.