> subsequent adjustments.
>
> --[[intrigeri]]
+
+> I've looked it over and updated my branch with some (untested)
+> changes.
+>
+>> I've merged your changes into my branch. Only one was buggy.
+>
+> Sorry, I'd forgotten about your cansave hook.. sorry for the duplicate
+> work there.
+>
+> Reviewing the changes, mostly outside of `po.pm`, I have
+> the following issues.
+>
+> * renamepage to renamelink change would break the ikiwiki
+> 3.x API, which I've promised not to do, so needs to be avoided
+> somehow. (Sorry, I guess I dropped the ball on not getting this
+> API change in before cutting 3.0..)
+>>
+>> Fixed, see [[todo/need_global_renamepage_hook]].
+>>
+> * I don't understand the parentlinks code change and need to figure it
+> out. Can you explain what is going on there?
+>>
+>> I'm calling `bestlink` there so that po's injected `bestlink` is
+>> run. This way, the parent links of a page link to the parent page
+>> version in the proper language, depending on the
+>> `po_link_to=current` and `po_link_to=negotiated` settings.
+>> Moreover, when using my meta branch enhancements plus meta title to
+>> make pages titles translatable, this small patch is needed to get
+>> the translated titles into parentlinks.
+>>
+> * canrename's mix of positional and named parameters is way too
+> ugly to get into an ikiwiki API. Use named parameters
+> entirely. Also probably should just use named parameters
+> for canremove.
+> * `skeleton.pm.example`'s canrename needs fixing to use either
+> the current or my suggested parameters.
+>>
+>> Done.
+>>
+> * I don't like the exporting of `%backlinks` and `$backlinks_calculated`
+> (the latter is exported but not used).
+>>
+>> The commit message for 85f865b5d98e0122934d11e3f3eb6703e4f4c620
+>> contains the rationale for this change. I guess I don't understand
+>> the subtleties of `our` use, and perldoc does not help me a lot.
+>> IIRC, I actually did not use `our` to "export" these variables, but
+>> rather to have them shared between `Render.pm` uses.
+>>
+>>> My wording was unclear, I meant exposing. --[[Joey]]
+>>>
+>>>> I guess I still don't know Perl's `our` enough to understand clearly.
+>>>> No matter whether these variables are declared with `my` or `our`,
+>>>> any plugin can `use IkiWiki::Render` and then access
+>>>> `$IkiWiki::backlinks`, as already does e.g. the pagestat plugin.
+>>>> So I guess your problem is not with letting plugins use these
+>>>> variables, but with them being visible for every piece of
+>>>> (possibly external) code called from `Render.pm`. Am I right?
+>>>> If I understand clearly, using a brace block to lexically enclose
+>>>> these two `our` declarations, alongside with the `calculate_backlinks`
+>>>> and `backlinks` subs definitions, would be a proper solution, wouldn't
+>>>> it? --[[intrigeri]]
+>>>>
+>>>>> No, %backlinks and the backlinks() function are not the same thing.
+>>>>> The variable is lexically scoped; only accessible from inside
+>>>>> `Render.pm` --[[Joey]]
+>>>>
+> * What is this `IkiWiki::nicepagetitle` and why are you
+> injecting it into that namespace when only your module uses it?
+> Actually, I can't even find a caller of it in your module.
+>>
+>> I guess you should have a look to my `meta` branch and to
+>> [[bugs/pagetitle_function_does_not_respect_meta_titles]] in order
+>> to understand this :)
+>>
+>>> It would probably be good if I could merge this branch without
+>>> having to worry about also immediatly merging that one. --[[Joey]]
+>>>
+>>>> I removed all dependencies on my `meta` branch from the `po` one.
+>>>> This implied removing the `po_translation_status_in_links` and
+>>>> `po_strictly_refresh_backlinks` features, and every link text is now
+>>>> displayed in the master language. I believe the removed features really
+>>>> enhance user experience of a translatable wiki, that's why I was
+>>>> initially supposing the `meta` branch would be merged first.
+>>>> IMHO, we'll need to come back to this quite soon after `po` is merged.
+>>>> --[[intrigeri]]
+>>>>
+>>>> Maybe you should keep those features in a meta-po branch?
+>>>> I did a cursory review of your meta last night, have some issues with it,
+>>>> but this page isn't the place for a detailed review. --[[Joey]]
+>>>>
+>>>>> Done. --[[intrigeri]]
+>>>
+> * I'm very fearful of the `add_depends` in `postscan`.
+> Does this make every page depend on every page that links
+> to it? Won't this absurdly bloat the dependency pagespecs
+> and slow everything down? And since nicepagetitle is given
+> as the reason for doing it, and nicepagetitle isn't used,
+> why do it?
+>>
+>> As explained in the 85f865b5d98e0122934d11e3f3eb6703e4f4c620 log:
+>> this feature hits performance a bit. Its cost was quite small in my
+>> real-world use-cases (a few percents bigger refresh time), but
+>> could be bigger in worst cases. When using the po plugin with my
+>> meta branch changes (i.e. the `nicepagetitle` thing), and having
+>> enabled the option to display translation status in links, this
+>> maintains the translation status up-to-date in backlinks. Same when
+>> using meta title to make the pages titles translatable. It does
+>> help having a nice and consistent translated wiki, but as it can
+>> also involve problems, I just turned it into an option.
+>>
+>>> This has been completely removed for now due to the removal of
+>>> the dependency on my `meta` branch. --[[intrigeri]]
+>>
+> * The po4a Suggests should be versioned to the first version
+> that can be used safely, and that version documented in
+> `plugins/po.mdwn`.
+>>
+>> Done.
+>>
+>> --[[intrigeri]]
+>
+> --[[Joey]]