Bug#1095449: inputtestdrv.4: Some remarks and a patch with editorial changes for this man page

[Alan Coopersmith]

I have submitted this upstream as part of
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1875

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        -Alan Coopersmith-                 alan.coopersm...@oracle.com
         Oracle Solaris Engineering - https://blogs.oracle.com/solaris