Converts a single-byte character into a multi-byte equivalent.
SBTOMBS {txt_var}
Converts the specified string as follows: Any occurrence of a single-byte character that also has a multi-byte representation (numerals, punctuation, roman characters and katakana) is converted. SBTOMBS also converts a sequence of a kana character followed by certain grammatical marks into a single multi-byte character that combines the two elements.
The TO_MULTI_BYTE function of LET