A NEW VERSION of Requirements for Hangul Text Layout and Typography 한국어 텍스트 레이아웃 및 타이포그래피를 위한 요구사항 has been published.

https://www.w3.org/TR/klreq/

The content was rearranged to match the standard headings use for the W3C Language Enablement Framework.The document is still in English and Korean, with buttons to switch between.