More questions about tramp.texi.

> The @code{tramp-vc-workfile-unchanged-p} function uses the functioning VC
> diff functionality to determine if any changes have occurred between the
> workfile and the version control master.

I think `functioning VC diff functionality' is redundant expression.
Is it right?

> Minor implementation details, &c.

What is `&c'?

> Eventually these values will be captured by @tramp{} on a system by
> system basis and the results cached to improve performance.

I can't understand the expression `on a system by system basis'.

`a system' means local host?
`system basis' means that tramp's basic feature?

> @tramp{} filenames are somewhat different, obviously, to ordinary path
> names. As such, the lisp functions @code{file-name-directory} and
> @code{file-name-nondirectory} are overridden within the @tramp{} package.
> 
> Their replacements are reasonably simplistic in their approach. They
> dissect the filename, call the original handler on the remote path and
> then rebuild the @tramp{} path with the result.

I think `Their replacements' means the function override, 
but what is `in their approach' ?

-- 
Yuji Yamano

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