GitLab

(pcmpl-unix-group-file, pcmpl-unix-passwd-file): Remove leading
`*' from doc-string.  Allow to be nil.
(pcmpl-ssh-known-hosts-file): Convert comment into expanded doc-string.
Allow to be nil.  Add :version.
(pcmpl-ssh-hosts): Move definition before use.  Handle lines
without hostnames, and multiple hostnames per line.