I saw some in DX examples but i am unable to write by my own.Could someone show me how to write correctly multilines macros with this monoline example ?

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m4_define(`MATH_VECTOR_Bezier',`$5.x=MATH_INT_Bezier($1.x,$2.x,$3.x,$4) : $5.y=MATH_INT_Bezier($1.y,$2.y,$3.y,$4) : $5.z=MATH_INT_Bezier($1.z,$2.z,$3.z,$4)')

CONSOLE
IMPORT "xst"

DECLARE FUNCTION Entry ()

m4_define(`SUMx',`x = x + $1'
     `x = x + $2'
     `x = x + $3')

FUNCTION Entry ()

     x = 100
     SUMx(5, 6, 7)
     ? x

  a$ = INLINE$ ("Press Enter to quit >")

END FUNCTION
END PROGRAM

Sorry but i still in pain, i tried to convert this one that works perfectly:

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m4_define(`GetElapsedMs',`QueryPerformanceCounter(&$2):QueryPerformanceFrequency(&$3):$2=($2-$1)*1000:$4=SINGLE($2)/SINGLE($3)')

for this one :

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m4_define(`GetElapsedMs',`QueryPerformanceCounter(&$2)'
     `QueryPerformanceFrequency(&$3)'
     `$2=($2-$1)*1000'
     `$4=SINGLE($2)/SINGLE($3)')

but i still get a load of errors.It is located on a file imported with m4_include but i tried to put it in the main file and i have the same errors

This looks like it works:

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m4_define(`GetElapsedMs',`QueryPerformanceCounter(&$2)
QueryPerformanceFrequency(&$3)
$2=($2-$1)*1000
$4=SINGLE($2)/SINGLE($3)')

Finally works :)  thanks a lot !