HP C/iX Reference Manual (31506-90011)
Chapter 2 27
Lexical Elements
String Literals
Character string literals that are adjacent tokens are concatenated into a single character
string literal. A null character is then appended. Similarly, adjacent wide string literal
tokens are concatenated into a single wide string literal to which a code with value zero is
then appended. It is illegal for a character string literal token to be adjacent to a wide
string literal token.
char *string = "abc" "def";