Brexit paperwork

There are lots of English language Facebook pages dedicated to living in Spain and aimed at Britons. There are Citizens Advice pages, Civil Guard authored pages, one from the British Consulate and subject specific pages like After Brexit and more. They are all alive with Brexit problems. Twitter is also aglow with similar stuff. Originally it was pros and cons but now it's practicalities. Apparently, since January 1st, British people who live in Spain, but are in the UK, have been bumping into problems getting home. Some of it seems to be the teething problems of new requirements at the border - the officials don't recognise the documentation and stuff written in Spanish makes no sense to them - but it has left people stranded. One of the things that sometimes makes me snigger and sometimes exasperates me is the lack of understanding and failure to grasp the basics of the paperwork that most of us have here in Spain. I can't guarantee the accuracy of the rest of this post b...