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/* n_24.t: # operator in macro definition. */
#define str( a) # a
/* 24.1: White spaces should not be inserted (silly specification). */
/* "a+b"; */
str( a+b);
/* 24.2: White spaces between tokens of operand are converted to one space.
*/
/* "ab + cd"; */
str( ab /* comment */ +
cd );
/* 24.3: \ is inserted before \ and " in or surrounding literals and no
other character is inserted to anywhere. */
/* "'\"' + \"' \\\"\""; */
str( '"' + "' \"");
/* 24.4: Line splicing by <backslash><newline> is done prior to token
parsing. */
/* "\"abc\""; */
str( "ab\
c");
/* 24.5: Token separator inserted by macro expansion should be removed.
(Meanwhile, tokens should not be merged. See 21.2.) */
#define xstr( a) str( a)
#define f(a) a
/* "x-y"; */
xstr( x-f(y));