The Scandinavian languages, by contrast, treat the characters with diacritics ä, ö and å as new and separate letters of the alphabet, and sort them after z.
Usually ä is sorted as equal to æ (ash) and ö is sorted as equal to ø (o-slash).
They were written to the left of a syllable in vertical writing and above a syllable in horizontal writing.
The South Korean government officially revised the romanization of the Korean language in July 2000 to eliminate diacritics.
Some diacritical marks, such as the acute ( ´ ) and grave ( ` ), are often called accents.The tilde, dot, comma, titlo, apostrophe, bar, and colon are sometimes diacritical marks, but also have other uses.Not all diacritics occur adjacent to the letter they modify.In other alphabetic systems, diacritical marks may perform other functions.Vowel pointing systems, namely the Arabic harakat ( ), which, respectively, mark abbreviations or acronyms, and Greek diacritical marks, which showed that letters of the alphabet were being used as numerals.