The modifier letter double apostrophe (ˮ) is a spacing

glyph A glyph () is any kind of purposeful mark. In typography, a glyph is "the specific shape, design, or representation of a character". It is a particular graphical representation, in a particular typeface, of an element of written language. A g ...

. It is used in the orthography of

Tundra Nenets Tundra Nenets is a Uralic languages, Uralic language spoken in European Russia and North-Western Siberia. It is the largest and best-preserved language in the Samoyedic languages, Samoyedic group. Tundra Nenets is closely related to the Nganasan ...

to denote a glottal stop, and in the orthography of Dan to indicate that a syllable has a top tone. It is encoded at .

See also