Language Kits: Underlined Text Using Japanese, Chinese And Korean Fonts

This article explains how to underline text while using fonts from the Japanese, Chinese, and Korean language kits.
The ability to display and print underlined 2-byte (Japanese, Chinese and Korean) characters is actually handled by the Mac OS. This feature was introduced in Mac OS 8.5. The following 2-byte Language Kits are supported by Mac OS 8.5:

For more information on using Apple's Language Kits with Mac OS 8.5, please see the following Tech Info Library article:

Article 24799: "Language Kit Updater For Mac OS 8.5 Read Me"
Published Date: Feb 20, 2012