On Thu, Dec 15, 2016 at 04:32:23PM +0000, Alex Bligh wrote:
> Wouter,
>
> > This reads a bit awkward. I would do:
> >
> > s/save that:/except as explained below/
>
> Possibly a British English thing. Will fix.
It's mostly that the "save that:" suggests to me that the exception
follows immediately (i.e., in the next paragraph). As you wrote it, it
doesn't; it shows up in the paragraph after that, with a "however"
clause. This was very confusing; I had to read it several times before I
understood what you wanted to say.
> >> If one or more queries are sent, then the server MUST return
> >> those metadata contexts that are available to the client to
> >> select on the given export with `NBD_OPT_SET_META_CONTEXT`,
> >> and which match one or more of the queries given. The
> >> support of wildcarding within the leaf-name portion of
> >> the query string is dependent upon the namespace.
> >>
> >> In either case, however, for any given namespace the
> >> server MAY, instead of exhaustively listing every
> >> matching context available to select (or every context
> >> available to select where no query is given), send
> >> sufficient context records back to allow a client with
> >> knowledge of the namespace to select any context. Each
> >> namespace returned MUST still satisfy the rules for
> >> namespaces (i.e. they must begin with the relevant
> >> namespace, followed by a colon, then printable non-whitespace
> >> UTF-8 characters,
> >
> > Why restrict to non-whitespace characters? (printable makes sense...)
>
> Because the namespaces and leaf-names are already restricted to
> non-whitespace characters. I thought having tabs, line feeds,
> returns, em-space, en-space etc. was not particularly useful.
> I could be persuaded to relent re spaces.
I could imagine that the context might include as part of its name a
user-defined bit. If we're going to disallow whitespace, then that would
mean namespaces would have to do all sorts of escaping etc. I don't
think that's a good idea.
--
< ron> I mean, the main *practical* problem with C++, is there's like a dozen
people in the world who think they really understand all of its rules,
and pretty much all of them are just lying to themselves too.
-- #debian-devel, OFTC, 2016-02-12
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