Netscape Communicator 4.8

Netscape Communicator can display all the Basic Multilingual Plane characters of your Unicode font.  You can type Chinese, Japanese or Korean with Microsoft's Global IMEs in email but not in web forms.  Right-to-left languages are displayed left-to-right.

European languages are fully supported.  Arabic, Hebrew, Thai and Vietnamese are not supported.

You can use Microsoft's Global IMEs to write Chinese, Japanese or Korean in email but not in web forms.

Chinese GBK is partially supported:  Netscape Communicator will only display the Simplified Chinese GB2312 subset.

Japanese Shift-JIS is read-only.  You can write Japanese messages in ISO-2022-JP (Japanese Auto-Detect) or UTF-8 encoding.

Traditional Chinese Big5 and Korean UHC are fully supported.

ISO-8859-1  (Western)
ISO-8859-2  (Central European)
ISO-8859-5  (Cyrillic)
ISO-8859-7  (Greek)
ISO-8859-9  (Turkish)

ISO-8859-3  (Maltese & Esperanto)
ISO-8859-6  (Arabic)
ISO-8859-8  (Hebrew)
ISO-8859-10 (Nordic)
ISO-8859-11 (Thai)
ISO-8859-13 (Windows-like Baltic)
ISO-8859-14 (Celtic)
ISO-8859-15 (Western Extended)
ISO-8859-16 (Romanian)

Use UTF-8 or a Windows codepage instead.

Japanese ISO-2022-JP is fully supported.

Simplified Chinese HZ and Korean ISO-2022-KR are read-only.

Simplified Chinese EUC-CN and Korean EUC-KR are fully supported.

Japanese EUC-JP is read-only.

The Cyrillic letters of  KOI8-R are properly displayed but the box-drawing characters are replaced with CP_1251 characters.  KOI8-U is not supported.