`po_master_language` is used to set the "master" language in
`ikiwiki.setup`, such as:
- po_master_language => 'en|English'
+ po_master_language: en|English
`po_slave_languages` is used to set the list of supported "slave"
languages, such as:
- po_slave_languages => [ 'fr|Français',
- 'es|Español',
- 'de|Deutsch',
- ]
+ po_slave_languages:
+ - fr|Français
+ - es|Español
+ - de|Deutsch
Decide which pages are translatable
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