variables; according to [[Joey]], this is "Freaky code, but seems ok
due to use of `quotementa`".
+##### Locale::Po4a::Xhtml
+
+* does not run any external program
+* does not build regexp's from untrusted variables
+
+=> Seems safe as far as the `includessi` option is disabled; the po
+plugin explicitly disables it.
+
+Relies on Locale::Po4a::Xml` to do most of the work.
+
+##### Locale::Po4a::Xml
+
+* does not run any external program
+* the `includeexternal` option makes it able to read external files;
+ the po plugin explicitly disables it
+* untrusted variables are escaped when used to build regexp's
+
##### Text::WrapI18N
`Text::WrapI18N` can cause DoS
----
-## original contrib/po page, with old commentary
+# original contrib/po page, with old commentary
I've been working on a plugin called "po", that adds support for multi-lingual wikis,
translated with gettext, using [po4a](http://po4a.alioth.debian.org/).
>> basewiki, which seems like it should be pretty easy to do, and would be
>> a great demo! --[[Joey]]
>>
->>> I have a complete translation of basewiki into danish, and am working with
+>>> I have a complete translation of basewiki into danish, available merged into
+>>> ikiwiki at git://source.jones.dk/ikiwiki-upstream (branch underlay-da), and am working with
>>> others on preparing one in german. For a complete translated user
>>> experience, however, you will also need templates translated (there are a few
->>> translatable strings there too). My not-yet-merged po4a Markdown improvements
->>> (see [bug#530574](http://bugs.debian.org/530574)) correctly handles multiple
+>>> translatable strings there too). My most recent po4a Markdown improvements
+>>> adopted upstream but not yet in Debian (see
+>>> [bug#530574](http://bugs.debian.org/530574)) correctly handles multiple
>>> files in a single PO which might be relevant for template translation handling.
>>> --[[JonasSmedegaard]]
>>
>>>>
>>>>> Done. --[[intrigeri]]
>>>
-> * I'm very fearful of the `add_depends` in `postscan`.
+> * I'm very fearful of the `add_depends` in `indexhtml`.
> 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
>>> need improvements to the deletion UI to de-confuse that. It's fine to
>>> put that off until needed --[[Joey]]
>>
-> * Re the meta title escaping issue worked around by `change`.
-> I suppose this does not only affect meta, but other things
-> at scan time too. Also, handling it only on rebuild feels
-> suspicious -- a refresh could involve changes to multiple
-> pages and trigger the same problem, I think. Also, exposing
-> this rebuild to the user seems really ugly, not confidence inducing.
->
-> So I wonder if there's a better way. Such as making po, at scan time,
-> re-run the scan hooks, passing them modified content (either converted
-> from po to mdwn or with the escaped stuff cheaply de-escaped). (Of
-> course the scan hook would need to avoid calling itself!)
->
-> (This doesn't need to block the merge, but I hope it can be addressed
-> eventually..)
->
-> --[[Joey]]
->>
->> I'll think about it soon.
->>
->> --[[intrigeri]]
->>
->>> Did you get a chance to? --[[Joey]]
* As discussed at [[todo/l10n]] the templates needs to be translatable too. They
should be treated properly by po4a using the markdown option - at least with my
secondary parameter overriding the default locale (for messages like "N/A" as
percentage in po plugin). Alternatively (with above mentioned template support)
all such strings could be externalized as templates that can then be localized.
+
+# Robustness tests
+
+### Enabling/disabling the plugin
+
+* enabling the plugin with `po_translatable_pages` set to blacklist: **OK**
+* enabling the plugin with `po_translatable_pages` set to whitelist: **OK**
+* enabling the plugin without `po_translatable_pages` set: **OK**
+* disabling the plugin: **OK**
+
+### Changing the plugin config
+
+* adding existing pages to `po_translatable_pages`: **OK**
+* removing existing pages from `po_translatable_pages`: **OK**
+* adding a language to `po_slave_languages`: **OK**
+* removing a language from `po_slave_languages`: **OK**
+* changing `po_master_language`: **OK**
+* replacing `po_master_language` with a language previously part of
+ `po_slave_languages`: needs two rebuilds, but **OK** (this is quite
+ a perverse test actually)
+
+### Creating/deleting/renaming pages
+
+All cases of master/slave page creation/deletion/rename, both via RCS
+and via CGI, have been tested.
+
+### Misc
+
+* general test with `usedirs` disabled: **OK**
+* general test with `indexpages` enabled: **not OK**
+* general test with `po_link_to=default` with `userdirs` enabled: **OK**
+* general test with `po_link_to=default` with `userdirs` disabled: **OK**
+
+Duplicate %links ?
+------------------
+
+I notice code in the scan hook that seems to assume
+that %links will accumulate duplicate links for a page.
+That used to be so, but the bug was fixed. Does this mean
+that po might be replacing the only link on a page, in error?
+--[[Joey]]
+
+> It would replace it. The only problematic case is when another
+> plugin has its own reasons, in its `scan` hook, to add a page
+> that is already there to `$links{$page}`. This other plugin's
+> effect might then be changed by po's `scan` hook... which could
+> be either good (better overall l10n) or bad (break the other
+> plugin's goal). --[[intrigeri]]
+
+>> Right.. well, the cases where links are added is very small.
+>> Grepping for `add_link`, it's just done by link, camelcase, meta, and
+>> tag. All of these are supposed to work just link regular links
+>> so I'd think that is ok. We could probably remove the currently scary
+>> comment about only wanting to change the first link. --[[Joey]]
+
+>>> Commit 3c2bffe21b91684 in my po branch does this. --[[intrigeri]]
+>>>> Cherry-picked --[[Joey]]
+
+----
+# Failing to have currentlang respected when using inline
+I am trying to wrap my head around l10n with ikiwiki. Set up a test site, l10n is working fine.
+Now when inlining a bunch of pages, no matter what inline template I use all links are
+going to the master language, the slave being ignored on all levels I tried.
+
+Trying to use currentlang() inside the inline directive to force the current setting in ikiwiki.setup - I get **no pages or links** to pages at all.
+\[[!inline pages=\"man/* and currentlang() and !*/sidebar and !*/b and !*.*\" template=\"inlinepage\" archive=\"yes\" quick=\"yes\" show=\"0\" sort=\"mtime\" reverse=\"no\"]]
+
+Turning meta title on slave translation pages on and off - **no change**.
+Turning usedirs on and off - **no change**.
+Testing with different inline templates - **no change**.
+Trying the use of tags on the slave language pages - **tagged() doesn't match any tagged pages**.
+
+I tried everything I could think of being the cause.
+Could this be related to the templates used by inline not being localized?
+Any hints wether I am currently running into some dead end with ikiwiki regarding template l10n here would be greatly appreciated.
+
+Besides: When using the map instead of the inline directive, regarding l10n all is working like it should, pitty is that for the kind of deployment I am heading for I will also need pages to be included with a custom template. --[[Boris]]
+
+# Does not show up in the setup
+
+Hello, I am not sure whether it's the right way to add a comment here, but I downloaded po4a from Debian repository and built it. Typing 'use Locale::Po4a::Po;' into a 'perl' session doesn't interrupt it -- I believe it is installed already. Yet in websetup there is no 'use po?' section. I am at a loss what to do. I am using nearlyfreespeech for hosting. --[[users/svetlana]]
+
+> It should be in a section headed "format plugin: po". If that doesn't appear, try
+> `perl -MIkiWiki::Plugin::po -e ''` (or equivalently, `use IkiWiki::Plugin::po;` in
+> an interactive Perl session) and see whether there are useful error messages. --[[smcv]]
+
+> > I had to set ikiwiki's INSTALL_BASE to ~/perl5, and install local::lib, to get the wiki to see Locale::Po4a::Po. What was helpful is `ikiwiki --setup wiki/ikiwiki.setup --wrappers` as it outputs the useful error message straight away if it can't find something in @INC. It is finally working now. --[[users/svetlana]]
+
+# Confuses a map
+
+The `\[[!map pages="*"]]` directive works in confused ways when po plugin is enabled. It lists items like this:
+
+- [foo](foo/index.en.html)
+ - [index.ru](foo/index.ru)
+ - [index.ja](foo/index.ja)
+
+I'm not sure what to do with it, I would like to be able to list pages only in one language. --[[users/svetlana]] 10:10AM February 8, 2017