Unused ASCII Values
Only 64 characters are needed to represent all possible combinations of 6 dots Braille (including space), so not all ASCII values are needed for Braille ASCII.
The lower-case letters (a to z) are not normally used, but might be interpreted as having the same dot patterns as their upper-case equivalents. `, {, |, and } are not used and their Braille ASCII rendition is not defined.
Braille ASCII is merely a subset of the ASCII table that can be used to represent all possible combinations of 6-dot Braille. It is not to be confused with the Computer Braille Code, which can represent all ASCII values distinctly.
Read more about this topic: Braille ASCII
Famous quotes containing the words unused and/or values:
“For America is a lady rocking on a porch in an unpainted house on an unused road but Anne does not see it.”
—Anne Sexton (1928–1974)
“Our first line of defense in raising children with values is modeling good behavior ourselves. This is critical. How will our kids learn tolerance for others if our hearts are filled with hate? Learn compassion if we are indifferent? Perceive academics as important if soccer practice is a higher priority than homework?”
—Fred G. Gosman (20th century)