Apple’s putting renewed focus on its repairability efforts today. The company has extended its self-service diagnostics tool to Europe, giving customers in 32 countries an easier way to test products for potential issues. But perhaps more interesting is the fact that Apple also published a new whitepaper — “Longevity, by Design” (PDF link) — that explains “the company’s principles for designing for longevity.” I’m sure there’ll be a lot of analysis about every page, but within the paper is actua...