This script converts Hiragana of selection range of front document to Katakana if the document is Japanese. 
About Parameters of transliterate command, see descriptions below.
All script systems
Roman: Roman text
native: text native to current script
All 2-byte scripts
Roman1: 1-byte Roman text
Roman2: 2-byte Roman text
Japanese
Katakana1: 1-byte Katakana text
Katakana: 2-byte Katakana text
Hiragana: 2-byte Hiragana text
Korean
Hangul: 2-byte Hangul text
Jamo: 2-byte Jamo text
Chinese
Bopomofo: 2-byte Zhuyinfuhao text (for traditional Chinese)