a.bash

#! bin/bash
MANSECT="1 2 3 4 5 n"
for i in $MANSECT
do
	echo 'aaa'
done

# aaa
# aaa
# aaa
# aaa
# aaa
# aaa

a.zsh

#! bin/zsh
MANSECT="1 2 3 4 5 n"
for i in $MANSECT
do
	echo 'aaa'
done

# aaa

b.zsh

#! bin/zsh
setopt sh_word_split
MANSECT="1 2 3 4 5 n"
for i in $MANSECT
do
	echo 'aaa'
done

# aaa
# aaa
# aaa
# aaa
# aaa
# aaa