Build fails on JRuby for files that contain only front matter

Build fails on JRuby for files that contain only front matter: a task in MiMo-V2.6-RL-oss: Agentic RL Environments (MiMo RL release). I'm building a site with Awestruct on JRuby. A few of my pages are placeholders — they have a YAML front matter header (title, layout, some metadata) but no body…

The task

I'm building a site with Awestruct on JRuby. A few of my pages are placeholders — they have a YAML front matter header (title, layout, some metadata) but no body content underneath yet. Something like a foo.textile that looks like: (nothing after the closing ---). When I run…

Part of XiaomiMiMo/MiMo-V2.6-RL-oss.