Shorthand writing systems usually are not used for information interchange. Thus there seems to be no reason for encoding them.
The Tironian notes, comprising many thousand characters, are the only exeption, I know. The Tironian et (U+204A) is still in use today. Few other ones of them, which survived in medieval Latin paleography, and even in early printing, in my opinion, should be encoded. Shorthand writing is very language specific. There use to be special characters for frequently used grapheme clusters like prefixes, suffixes, and complete words. Faulmann, Das Buch der Schrift, Vienna 1880, shows the following: Griechische Tachygraphie Tironische Noten (only some 160 characters) Englische Stenographie von Taylor Pitmans englische Phonographie Gabelsbergers deutschen Stenographie Stolzes Stenographie (German) Rendering Gabelsberger�s writing systems, for example, would exceed the complexity of any other script. Best regards Gerd
