Sure. So, what to do if user is on 4.4 (4.3, 4.5 soon (hey, Plasma developers, where are you?), etc.) and wants to be instructed how to add a widget on his panel? ;)
On every Plasma/FAQ/whatever page there is an info box directing to the earlier versions :-)
Yes, really. 4.4 says For older versions you can turn to the KDE 4.3 specific page, theKDE 4.2 specific page, the KDE 4.1 specific page or the KDE 4.0 one
4.3 says For older versions you can turn to the KDE 4.2 specific page, KDE 4.1 specific page or the KDE 4.0 one
and so on. And they are all links.
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I'm not sure that I'm understanding the problem but while looking at it, I did note that the Plasma/FAQ/4.4 (which is what the user is actually reading) didn't have Special:myLanguage at all, so I've fixed that.
Plasma/FAQ itself only contains the redirect to the latest version, and the redirect has to be changed when a new version is made. Apart from that, all the links have /4.x in them. I would have thought that between that and the myLanguage thing it would work. If it doesn't, can you explain a bit more about what actually happens? Thanks
Consider the following examples: 1. Plasma/FAQ#How does Plasma work? links to the English page.
Special:MyLanguage/Plasma/FAQ#How does Plasma work? in any locale you will also be linked to the English page (broken localized links).
2. Plasma/FAQ/4.4/Configuration is valid page that can be linked, e.g. Plasma/FAQ/4.4/Configuration#Can_I_move_the_applets_on_the_panel.3F
On the other hand
Plasma/FAQ/Configuration#Can_I_move_the_applets_on_the_panel.3F points to nowhere (broken subpages).
Plasma/FAQ has only one purpose - to direct anyone searching to the latest version. It doesn't have any content, any sections, any subpages, so I'm surprised that even your first example works. I wouldn't have expected any links to be formulated against Plasma/FAQ at all - but against the versioned links (after all, the reader doesn't actually see that part of the link anyway). Now at last I understand where we started from :-) Yes, you are correct, I made a mistake there. Sorry about that, but I really did need to understand what you were pointing out.
Interestingly, Claus_chr brought up the same subject earlier this month, and I hadn't understood his point either. I have cleaned out all the no-longer-relevant stuff from Translation_Workflow and its talk page, and summarised the threads on the discussion page that are still relevant. On this particular point I've combined his and your concern. I'd like to use that page for discussions that lead to clarification of rules, so I'd appreciate it if you put a Watch on it :-)