Editing International Sign (section)

=== Manual alphabet ===
The manual alphabet of IS belongs to the French family of [[manual alphabet]]s, specifically in a subgroup around to the modern [[American manual alphabet]]. However, some letters differ in a few finger positions to the American alphabet.<ref name=Power2020>{{Cite journal |last1=Power |first1=Justin M. |last2=Grimm |first2=Guido W. |last3=List |first3=Johann-Mattis |date=January 2020 |title=Evolutionary dynamics in the dispersal of sign languages |url=https://pure.mpg.de/rest/items/item_3076167_3/component/file_3076168/content |journal=[[Royal Society Open Science]] |volume=7 |issue=1 |page=191100 |publisher=[[Royal Society]] |doi=10.1098/rsos.191100 |pmid=32218940 |pmc=7029929 |bibcode=2020RSOS....791100P |access-date=26 June 2020 |doi-access=free |archive-date=26 March 2023 |archive-url=https://web.archive.org/web/20230326003415/https://pure.mpg.de/rest/items/item_3076167_3/component/file_3076168/content |url-status=live }}</ref>

IS numbers larger than five are, unlike in ASL, performed by two hands.