' (disambiguation)
The ' character is represented by 39 in ASCII and U+0027 ' APOSTROPHE in Unicode. It is used as: Apostrophe (as straight version of the ’ character), a punctuation mark, and sometimes a diacritical mark Single quotation mark (as straight version of the ‘ and ’ characters) == Informal use == Being supplied as standard on many keyboard layouts, it is often used in informal contexts to replace other similar looking characters that include: === Diacritical marks === Acute accent (U+0301 ◌́ COMBINING ACUTE ACCENT), a diacritic used in many modern written languages The ASCII symbol U+00B4 ´ ACUTE ACCENT is not used as a diacritic.