Abstract & revision notes

Date Description of changes April 2007 Removed inverted question mark and inverted exclamation point because they are now available via the ALA character set in Connexion. February 2007 Removed characters now available via the ALA character set in Connexion; added spacing characters; added musical sharp; added note on when to use Greek characters; added directions on using ALA Character Set via Connexion; other updates. November 2007 Updated African letters/diacritics; split "Other signs/symbols not represented in char. set" row into two rows; spacing characters table; minor edits to Schwa