I didn't realise one could use commas, I wonder if, in the first example, this might have worked
Code:
(#progress:"=In-Progress", #ffferrors:false), not #followed:"=Yes"
Grouping search terms in parentheses can help clarify search expressions, in some cases they're essential to remove ambiguities.
A useful addition to the Advanced search feature would be the ability to build multi-term search expressions with the requisite 'and' and 'or' conjunctions and parentheses. I saw one not long ago, danged if I can remember where though. Shift clicking in the Tag browser is difficult for some users - well, at least one user
BR