%mode init
A1=TRIM("one two three")
A2=TRIM(" one two  three")
A3=TRIM("  one  two three  ")
A4=TRIM("A")
A5=TRIM("A B")
A6=TRIM("")
A7=TRIM(12345)
B1@    日本    韓国  中国
B2=TRIM(B1)
%calc
%mode result
A1="one two three"
A2="one two three"
A3="one two three"
A4="A"
A5="A B"
A6=""
A7="12345"
B2="日本 韓国 中国"
%check