ISTR = I Seem To Recall(?)
Acronym expanded for the benefit of anyone else who's browsing HN before coffee and would have taken a similarly embarrassing length of time to infer the likely meaning of this one, which I'd never seen before.
Acronym expanded for the benefit of anyone else who's browsing HN before coffee and would have taken a similarly embarrassing length of time to infer the likely meaning of this one, which I'd never seen before.