Kinda on-topic (50/50): I'm looking for a flavor of something-like-markdown, but it would have semantic tagging and some abilities to add my own attributes to an element/tag (like for links, I want to be able to specify some to open in another tab, but others to open in the same tab, I'm willing to do that with raw attributes if I can add them on) for conversion to HTML in a static generator, is there something like that anyone knows about? (I prefer not to "roll my own" if I can use a standards-based language)
For instance, I'd want to do the example in the GitHub flavored markdown with tags like <article> or <aside> around markdown-like syntax. Markdown is so easy compared to HTML, so I want that ease in my article-writing workflow.
I was considering using HTML directly in a templating language, but I want it to be a more human-friendly text format, like Markdown.