Hello,

> Hi,
>
> I had proposed to use the ^ character as attachment delimiter.
> Ex: wiki:Space.Page^attachment
>
> However I've just realized while implementing it that it's an "unwise"
> character in an URI
> (source: http://www.ietf.org/rfc/rfc2396.txt)
>
> unwise      = "{" | "}" | "|" | "\" | "^" | "[" | "]" | "`"
>
> Allowed punctuations characters are:
>
> mark        = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")"
>
> BTW the following are reserved:
> reserved    = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | "$" | ","
>
> Note that we use ":" for wiki delimiter but that's okay since we're
> using an opaque URI and thus reserved chars, unreserved chars and
> escaped chars are authorized.
>
> I think it would be better to choose amongst one the valid chars for
> the attachment to prevent future problems.
>
> Of course this means we'll have to make that character forbidden in a
> page name. Actually we could also decide that it's character forbidden
> in an attachment (and use lastIndexOf() instead of indexOf() to
> separate the page name from the attachment name). Or we could double
> it once again...
>
> I propose we use the @ symbol since it's not a char used often in page
> names.
>
> For example:
> attach:wiki:[EMAIL PROTECTED]

looks good, +1

>
> This raises the discussion of the full FQN we'd like to have when we
> support nested spaces too. For example:
>
> (wiki name) "::" (space name) [ "." (space name)]* "::" (page name)
> ["@" (attachment name)]?
>
> Now what about referencing objects and properties using a URI too? Do
> we want that? What would be the use? Right now I don't see a use and
> using an API to access them seems fine to me.
>
> Alternative view
> ============
>
> We could also only specify the attachment name in the uri and use link
> parameters to specify the document where it's located as in:
>
> [[image:my.png>>document="wiki:Space.Page"]]
>
> This sounds reasonable to me too. I think the real question is whether
> we need a textual representation of an attachment FQN or not.

Do we have use cases already for such FQN ? Annotations ?

Jerome.

>
> WDYT?
>
> Thanks
> -Vincent
>
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