One of the more common feature requests I’ve gotten for Marginalia Search is the ability to search by date. I’ve been a bit reluctant because this has the smell of a a surprisingly hard problem. Or rather, a surprisingly large number of easy problems. The initial hurdle we’ll encounter is that among structured data, pubDate in available in RDFa, OpenGraph, JSON+LD, and Microdata. A few examples: <meta property="datePublished" content="2022-08-24" /> <meta itemprop="datePublished" conten...
