initialiases -> initialises

Remove useless quoting from .Fo and .Fn function names, to prevent
development of a cargo cult in case people look at existing files
for examples. This achieves a consistent .Fo and .Fn quoting styl

Remove useless quoting from .Fo and .Fn function names, to prevent
development of a cargo cult in case people look at existing files
for examples. This achieves a consistent .Fo and .Fn quoting style
across the whole tree.

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zap trailing whitespace;

document the scheduler types and how to specify them.

some pointers from schwarze@

tweak previous: use .Er for ENXIO

this is start on documenting bufqs. it covers the bits disk drivers need
to know. the grubby bits the midlayer touches on them will get written up
soon.

ok deraadt@