[EP-tech] missing phrases.xml for set_lang

[th.lauke at arcor.de (Thomas Lauke)]

Hi Martin,

> is this script not outdated?
probably (as well as https://wiki.eprints.org/w/Translation), but ...

> The current 3.3 implementation https://github.com/eprints/eprints/blob/3.3/cgi/set_lang
... that throws an error:
Error. $screen->render should be sub-classed for EPrints::Plugin::Screen::SetLang=HASH(0x7f31b64d18d8)
below an undefined title ["Plugin/Screen/SetLang:title" not defined]

> There, only one phrase is referenced: cgi/set_lang:clear_cookie, which is available in system.xml
yes, correct :)

What's wrong?

Many thanks for any hint
Thomas