achieved by making any "slave" page dependent on the corresponding
"master" page, in the `needsbuild` hook.
-**FIXME** Also, when the plugin has just been enabled, or when a page
+Also, when the plugin has just been enabled, or when a page
has just been declared as being translatable:
-- all the needed POT and PO files have to be created
-- the PO files must be checked into version control
+- all the needed POT and PO files are be created
+- **FIXME** the PO files must be checked into version control
**FIXME** `refreshpofiles` uses `system()`, whose args have to be
checked more thoroughly to prevent any security issue (command