because of the change to ${MACHINE_GNU_PLATFORM}.
Since ruby 1.6.6 and lator have digest/sha1 library.
the HOMEPAGE variable for, as well as some grammar and spelling fixes.
ruby-sha1 - A Ruby interface to the SHA-1 Secure Hash Algorithm This is a Ruby extension which implements the SHA-1 Secure Hash Algorithm by NIST (the US' National Institute of Standards and Technology), described in FIPS PUB 180-1.
