The modifier letter double apostrophe (ˮ) is a spacing glyph. It is used in the orthography of Tundra Nenets to denote a glottal stop, in the Enets and Nganasan alphabets and in the orthography of Dan to indicate that a syllable has a top tone. It is encoded at U+02EEˮMODIFIER LETTER DOUBLE APOSTROPHE.