Signs are written as SignWriting words with mathamatical names of ASCII characters from the set: ABLMRS0123456789xabcdef. Stable since January 2012.
Signs are written as SignWriting words with an experimental Unicode character design. This character set overwrites the Sutton SignWriting Block (U+1D800 - U+1D9FF) and uses Plane 4 for the Sutton SignWriting symbols.
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