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Re:OWL Guide, early hypertext, and “replacing” the Web by 1MachineElf on Monday January 17, 2022 @11:11PM (#29974994)
This is about an early browser called OWL, not the Web Ontology Language (OWL)[0].

[0] https://www.w3.org/OWL/

Re:OWL Guide, early hypertext, and “replacing” the Web by vintagedave on Tuesday January 18, 2022 @08:11AM (#29978483)
Nor the Object Windows Library[1] which was used for early 90s apps, and for a moment I thought the article might have been discussing early UX of the Turbo Vision and OWL sort.

[1] https://en.wikipedia.org/wiki/Object_Windows_Library

Re:OWL Guide, early hypertext, and “replacing” the Web by sloucher on Wednesday January 19, 2022 @05:39AM (#29992005)
The browser was called Guide. OWL is the company name (or nickname, since the formal name was Office Workstations Ltd).
Re:OWL Guide, early hypertext, and “replacing” the Web by gwern on Tuesday January 18, 2022 @03:29PM (#29985277)
> Not all of these have direct analogues with HTML5 (in fact, action buttons could even run shell scripts!) and some of their core conceits are rather different. Indeed, its most pervasive and interesting navigational mechanism is the concept of replacement: embedding the content referred to by a link ("replace button") directly where it was referenced.

Looking at their examples, this seems to be directly analogous to collapsible disclosure elements in HTML5 using <details>: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/de...

(The later part about linking to different states of expansion is not, although I suppose you could record the open/close state of the hierarchy & stash in a cookie/local-storage and replay it with JS.)