70221ffa08 Fix link to use new name (Tobin C. Harding)
ebf92fcb01 Use ASCII in rusdocs (Tobin C. Harding)
64ece63f19 Add missing whitespace character to rustdoc (Tobin C. Harding)
64e10686de Improve rustdoc examples for absolute locktime (Tobin C. Harding)
Pull request description:
In preparation for release go over the locktime rustdocs.
Close: #4463
ACKs for top commit:
jamillambert:
ACK 70221ffa08
apoelstra:
ACK 70221ffa085e3cd0a50683f788f5e78cdfae04ae; successfully ran local tests
Tree-SHA512: 67bc51400056e08018f92f8e7ff91c8f8db9e6b575e83f8937a382bde45541a31e75277e200694180fa5098b681e200858fb7b0c9330065af0019955ed126a61