[orgmode]

[ndvanforeest]

Hi,

I suppose it must be very simple, but I can't find how to get links working in the orgmode plugin. For instance,

[[link://slug/index][home]]

seems most reasonable to me, but any variant I try doesn't work. Any idea?

[Kwpolska]

How does it fail? If you replace link:// with http://, does it work?

[ndvanforeest]

Thanks for your answer. Your suggestion works when used for "real" addresses, like HTTP://google.com, but not for links to pages within my site. To be safe, I tested this, with the following string in my org file:

[[http://pages/Bio]]

and it expands to this in the HTML file:

http://pages/Bio

This does not give a working link in my site, as expected. Now leaving out the HTTP:// in the org file, like so

[[../pages/Bio]]

gives as HTML:

So, for some reason links to pages in the org file get converted to an image.

Just to be sure, I let org mode convert my org file to HTML, but then things work right. So, something in the orgmode plugin for nikola goes wrong, but I have no clue what that can be.

It is not a big deal in the sense that I can always hard code the links of my side on github pages into the org files, but it annoys me that such a basic thing as cross linking between pages in one site does not seem to work..

[ralsina]

Using a link like "../pages/Bio" is probably not always going to work correctly, remember that the same content may appear in more than once place in your site.

Try "/pages/Bio" instead (or whatever is appropriate)

On Fri, Oct 2, 2020 at 11:18 AM Nicky van Foreest notifications@github.com wrote:

Thanks for your answer. Your suggestion works when used for "real" addresses, like HTTP://google.com, but not for links to pages within my site. To be safe, I tested this, with the following string in my org file:

[[http://pages/Bio]]

and it expands to this in the HTML file:

http://pages/Bio

This does not give a working link in my site, as expected. Now leaving out the HTTP:// in the org file, like so

[[../pages/Bio]]

gives as HTML:

[image: nil] http://pages/Bio

So, for some reason links to pages in the org file get converted to an image.

Just to be sure, I let org mode convert my org file to HTML, but then things work right. So, something in the orgmode plugin for nikola goes wrong, but I have no clue what that can be.

It is not a big deal in the sense that I can always hard code the links of my side on github pages into the org files, but it annoys me that such a basic thing as cross linking between pages in one site does not seem to work..

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[ndvanforeest]

Thanks. I tried all such variations, using the slug, with //, just one /, no /, anything that I could imagine. I am now at the point that I ll write a simple script to convert the http string to my GitHub pages site equivalent. It’s not elegant, pretty dumb in fact, but that I can get to work for sure.

On 2 Oct 2020, at 17:03, Roberto Alsina notifications@github.com wrote:

 Using a link like "../pages/Bio" is probably not always going to work correctly, remember that the same content may appear in more than once place in your site.

Try "/pages/Bio" instead (or whatever is appropriate)

On Fri, Oct 2, 2020 at 11:18 AM Nicky van Foreest notifications@github.com wrote:

Thanks for your answer. Your suggestion works when used for "real" addresses, like HTTP://google.com, but not for links to pages within my site. To be safe, I tested this, with the following string in my org file:

[[http://pages/Bio]]

and it expands to this in the HTML file:

http://pages/Bio

This does not give a working link in my site, as expected. Now leaving out the HTTP:// in the org file, like so

[[../pages/Bio]]

gives as HTML:

[image: nil] http://pages/Bio

So, for some reason links to pages in the org file get converted to an image.

Just to be sure, I let org mode convert my org file to HTML, but then things work right. So, something in the orgmode plugin for nikola goes wrong, but I have no clue what that can be.

It is not a big deal in the sense that I can always hard code the links of my side on github pages into the org files, but it annoys me that such a basic thing as cross linking between pages in one site does not seem to work..

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[Kwpolska]

It should never be necessary to run a shell script to fix a Nikola site. Perhaps you need a different syntax to convince orgmode to output a link. Replacing link:// happens at a very late stage of the build, all you need to have it in <a href="">.

[Kwpolska]

Based on this (and the official docs example seems to be broken, which is just A-W-E-S-O-M-E…), I wrote this

(org-link-set-parameters
 "link"
 :export (lambda (path desc backend)
           (cond
            ((eq 'html backend)
             (format "<a href=\"link:%s\">%s</a>"
                     path (or desc path)))))
)

@ndvanforeest, can you test with your site (in init.el, requires rm -rf cache to test)? If it works, I guess we could add it to the file.

[ndvanforeest]

It works! So as to prevent any misunderstanding, I copied your elisp expression into the init.el of the org mode plugin for nikola (so not into my general init.el). Then I use the following string in my org file to refer to the file pages/bio.org (i.e, the html generated version of it): [[link:/bio][boi]]

Many thanks. Would it be an idea to update the docs of the orgmode plugin? I am a recent org mode renegade (after using nuweb, noweb, pweave... for the past 20 years), and to me it comes as a surprise that nikola seems to need the keywords "link"; the orgmode documentation uses keywords like "file:" and so on, but not "link:".

On Sun, 4 Oct 2020 at 01:16, Chris Warrick notifications@github.com wrote:

Based on this https://kitchingroup.cheme.cmu.edu/blog/2016/11/04/New-link-features-in-org-9/ (and the official docs example https://orgmode.org/manual/Adding-Hyperlink-Types.html seems to be broken, which is just A-W-E-S-O-M-E…), I wrote this

(org-link-set-parameters

"link"

:export (lambda (path desc backend)

       (cond

        ((eq 'html backend)

         (format "<a href=\"link:%s\">%s</a>"

                 path (or desc path)))))

)

@ndvanforeest https://github.com/ndvanforeest, can you test with your site (in init.el, requires rm -rf cache to test)? If it works, I guess we could add it to the file.

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[Kwpolska]

link:// is Nikola-specific. Many formats don’t care about the scheme and will just generate a link, no matter if it’s https, gopher, link, or qwerty. I created PR #356 with the fix.