Eventually I found it had been working all along-but didn't show anything on screen until it had the first full page of text. I inserted 30 new lines, and suddenly my toy said 'hEllO woRlD'. An hour later I understood alphabet shifting rather better! ↗
For a fortnight nobody at all emailed me, or posted a follow-up. Doesn't anyone care, I thought? It turned out my newsreader was broken, and hadn't posted at all. ↗
If I had been censured every time I have run my ship, or fleets under my command, into great danger, I should have long ago been out of the Service and never in the House of Peers. ↗