Internal links

Tinderbox has an export code that renders links to any other notes that link to the current note. I've (conditionally) added the links to the bottom of every post. It got me thinking about differentiating internal from external links. I did that with a bit of CSS, so now internal links are black/grey (based on not visited/visited). It's not something that will be immediately obvious, but it's a nice touch once you notice it. Example.