From: Max Nikulin <email@example.com> To: firstname.lastname@example.org Subject: Re: Internal link broken when publishing (was org-id with ox-html) Date: Tue, 14 Sep 2021 23:33:43 +0700 Message-ID: <email@example.com> (raw) In-Reply-To: <4827285.5yCLvEFndJ@pluto> As a kind of summary: During publishing of a project - "id:" links to headings from the same file are exported as short generated anchors like #org032777e or as anchors to custom ids when the latter are available - "Search heading" links to other files are exported as short generated anchors or as custom ids. - "id:" links to headings in external files are exported as ID value with "ID-" prefix. These links are *broken* currently. Expected behavior is the same style of anchors for particular heading, e.g. - value of custom_id property is used even for "id:" links - either value of id property or short generated anchor is used for links to a heading having id property (maybe it should be possible to customize preferred style) but the same for search heading text fuzzy links and "id:" links, internal and external ones. I do not mind to have both anchors with value of id and custom_id properties if they are defined for a header. My opinion is that value of id property should be used for heading anchor when available to guarantee stable links from other sites. I admit that default behavior may be short (perhaps unstable) anchors. On 07/09/2021 22:46, chris wrote: > On Tuesday, 24 August 2021 17:23:24 CEST Maxim Nikulin wrote: >> On 23/08/2021 03:42, inkbottle wrote: >> >> From my point of view it looks like a bug. >> https://code.orgmode.org/bzg/org-mode/src/master/lisp/ox.el#L4381 ... > I believe it's a bug, plain and simple. I am afraid that its fix would not be so simple. > With a unique org file, the `:ID: e54113f9-2ad7-4a86-94be-68ffc696de0b` are > resolved to `orgfa9c151` consistently. My opinion (in contradiction to Nicolas) is that anchors should be as stable as possible even in the absence of cross-references withing the document. It allows links from other sites to particular sections. That is why value of ID property is better than random anchor despite the former is longer. > There is a patch here: > https://gist.github.com/jethrokuan/d6f80caaec7f49dedffac7c4fe41d132 > but, as I understand it, the workaround consists in treating `:ID:` similarly > as `:CUSTOM_ID:`, that is, exporting them "verbatim". If it were a patch, it would be easier to spot the changed part. This approach may be implemented in a bit cleaner way but I do not think that it will allow to use custom_id value for "id:" link if a heading has both (see `org-html-link' and `org-export-resolve-id-link'). >> checks for ID property. >> https://code.orgmode.org/bzg/org-mode/src/master/lisp/ox-html.el#L1659 >> queries CUSTOM_ID only. I suppose, ID should be here as well. A subtle >> point is which one (ID or CUSTOM_ID) should be used if both are defined >> for some headers. > > Yes, "ID should be here as well" => No. > That is the point I'm advocating above. > `:CUSTOM_ID:` are meant to be treated in a so-called "stable" way. That is to > say, the `CUSTOM_ID` you see in your org-file, is what you get in your HTML file > (also I've done some tests with that method, and I recall it wasn't working at > all in a multiple org files setting). > On the other hand, `:ID:` are meant to be treated through a *translation > table*, and should result in some `orgfa9c151` thing, on the HTML side. > Weaving the two methods together doesn't seem like "road to success". In a general case it is rather hard to get stable anchors, even having full history of changes. On the other hand I see no reason to avoid stable IDs where they exist. Looks like a reason for defcustom at least. I consider random anchors and the cache to make some of them stable as an unavoidable fallback when there is no better way (users avoid property drawers). >> Maybe it is possible to create workaround as a custom config without >> touching of Org code. I guess, "nicer" ids may be replaced by values of >> ID property. Examples (I tried none of them): >> - >> https://tecosaur.github.io/emacs-config/config.html#nicer-generated-heading >> https://orgmode.org/list/E1jxAjq-0004Dk-LH@lists.gnu.org/ (TEC. >> [Interest] Determanistic Org IDs. Sun, 19 Jul 2020 22:27:31 +0800) ... > The methods above are, as I understand it, all about making more beautiful > links to export to HTML. > Not about the "translation table" devised in `ox.el` being broken when working > with multiple org-files. My idea of a workaround was to throw away all code deriving pretty link and to put ID value instead.
prev parent reply other threads:[~2021-09-14 16:34 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-13 22:28 org-id with ox-html inkbottle 2021-08-14 0:50 ` inkbottle 2021-08-14 4:20 ` inkbottle 2021-08-17 3:11 ` Internal link broken when publishing (was org-id with ox-html) inkbottle 2021-08-22 20:42 ` inkbottle 2021-08-24 15:23 ` Maxim Nikulin 2021-09-07 15:46 ` chris 2021-09-14 16:33 ` Max Nikulin [this message]
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