Org links, URLs and HTML export

Org links, URLs and HTML export

[Fabrice Popineau]

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Hi,

I'm puzzled by the following.
I write a couple of Org file with HTML export in mind, building a site with
several pages, say:
foo.org -> foo.html
bar.org -> bar.html
I want to insert a link in foo.org that will point to bar.html when
exported.

I can insert : [[http:bar.html]]
However, I would like to be able to insert any kind of relative url.
Specifically, there is no mean to insert something
like : [[http:/bar.html]] which is exported to <a href="http:/bar.html"></a>
The corresponding export should be <a href="/bar.html"></a>

Strangely, some browsers grok the former (Chrome), but not all of them
(Safari).
Anyway, only the later is correct.

Is there any way to fix exporting relative urls?

If I'm wrong somewhere, please correct me.

Best regards,

Fabrice

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Re: Org links, URLs and HTML export

[Achim Gratz]

Fabrice Popineau writes:
> I can insert : [[http:bar.html]]
> However, I would like to be able to insert any kind of relative url.
> Specifically, there is no mean to insert something
> like : [[http:/bar.html]] which is exported to <a href="http:/bar.html"></a>
> The corresponding export should be <a href="/bar.html"></a>

But that's an absolute URL, provided a well-defined base URI exists (the
authority is implied and the path component starts with a slash, so it
would start in the root).

> Strangely, some browsers grok the former (Chrome), but not all of them
> (Safari).

Then Safari either has a bug or it determines the base URI differently
than Chrome.

> Anyway, only the later is correct.

I don't think so.  You might want to read

https://tools.ietf.org/html/rfc3986

specifically the part about the translation of relative URI.


Regards,
Achim.
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Re: Org links, URLs and HTML export

[Fabrice Popineau]

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2016-08-23 18:30 GMT+02:00 Achim Gratz <Stromeko@nexgo.de>:

> Fabrice Popineau writes:
> > I can insert : [[http:bar.html]]
> > However, I would like to be able to insert any kind of relative url.
> > Specifically, there is no mean to insert something
> > like : [[http:/bar.html]] which is exported to <a
> href="http:/bar.html"></a>
> > The corresponding export should be <a href="/bar.html"></a>
>
> But that's an absolute URL, provided a well-defined base URI exists (the
> authority is implied and the path component starts with a slash, so it
> would start in the root).
>
> > Strangely, some browsers grok the former (Chrome), but not all of them
> > (Safari).
>
> Then Safari either has a bug or it determines the base URI differently
> than Chrome.
>
> > Anyway, only the later is correct.
>
> I don't think so.  You might want to read
>
> https://tools.ietf.org/html/rfc3986
>
> specifically the part about the translation of relative URI.
>
> Thanks for the pointer.
It helps because it states that:

"Some parsers allow the scheme name to be present in a relative
   reference if it is the same as the base URI scheme.  This is
   considered to be a loophole in prior specifications of partial URI
   [RFC1630].  Its use should be avoided but is allowed for backward
   compatibility."

And on page 21:

"If the URI scheme defines a default for host, then that default
   applies when the host subcomponent is undefined or when the
   registered name is empty (zero length).  For example, the "file" URI
   scheme is defined so that no authority, an empty host, and
   "localhost" all mean the end-user's machine, whereas the "http"
   scheme considers a missing authority or empty host invalid."

So exporting to <a href="http:/bar.html"> is wrong.

I guess I can solve that with a filter.

Greetings,

Fabrice

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