Esperanto in Character › Language (panel, Properties, style options),
mapped to the BCP 47 tag eo, with English-style typographer's quotes.
IDML keeps the name as written ($ID/Esperanto). Not hyphenated yet:
morpheme-based hyphenation follows in #1201.
Claude-Session: https://claude.ai/code/session_01Y9j7XJDCmPc8UZLs9cTxtu
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>