OpenIndiana vs OS X ACLs, read_data,execute, then write_data

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OpenIndiana:
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root@openindiana-parallels:/zusers/newbar# touch foo17.txt
root@openindiana-parallels:/zusers/newbar# touch foo18.txt
root@openindiana-parallels:/zusers/newbar# touch foo19.txt
root@openindiana-parallels:/zusers/newbar# /bin/chmod A+user:joe:read_data/execute:allow /zusers/newbar/foo17.txt
root@openindiana-parallels:/zusers/newbar# /bin/chmod A+user:joe:write_data:allow /zusers/newbar/foo17.txt
root@openindiana-parallels:/zusers/newbar# /bin/chmod A+user:501:read_data/execute:allow /zusers/newbar/foo18.txt
root@openindiana-parallels:/zusers/newbar# /bin/chmod A+user:501:write_data:allow /zusers/newbar/foo18.txt
root@openindiana-parallels:/zusers/newbar# /bin/chmod A+user:501:read_data:allow /zusers/newbar/foo19.txt
root@openindiana-parallels:/zusers/newbar# /bin/chmod A+user:501:execute:allow /zusers/newbar/foo19.txt
root@openindiana-parallels:/zusers/newbar# /bin/chmod A+user:501:write_data:allow /zusers/newbar/foo19.txt

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OS X:
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Josephs-MacBook-Pro-2:~ root# ls -le /zusers/newbar/*
-rw-r--r--+ 1 root  wheel  0 Aug 14 21:33 /zusers/newbar/foo17.txt
 1: FFFFEEEE-DDDD-CCCC-BBBB-AAAA00000065 allow write
 2: FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFF allow read,write,execute
 3: FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFF allow read,write,execute,append,readattr,writeattr,readextattr,writeextattr,readsecurity,writesecurity,chown
 4: FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFF allow read,write,execute,append,readattr,writeattr,readextattr,writeextattr,readsecurity,writesecurity,chown
-rw-r--r--+ 1 root  wheel  0 Aug 14 21:33 /zusers/newbar/foo18.txt
 1: user:joe allow write
 2: FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFF allow read,write,execute
 3: FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFF allow read,write,execute,append,readattr,writeattr,readextattr,writeextattr,readsecurity,writesecurity,chown
 4: FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFF allow read,write,execute,append,readattr,writeattr,readextattr,writeextattr,readsecurity,writesecurity,chown
-rw-r--r--+ 1 root  wheel  0 Aug 14 21:33 /zusers/newbar/foo19.txt
 1: user:joe allow write
 2: user:joe allow write,execute
 3: FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFF allow read,write,execute
 4: FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFF allow read,write,execute,append,readattr,writeattr,readextattr,writeextattr,readsecurity,writesecurity,chown
 5: FFFFEEEE-DDDD-CCCC-BBBB-AAAAFFFFFFFF allow read,write,execute,append,readattr,writeattr,readextattr,writeextattr,readsecurity,writesecurity,chown
Josephs-MacBook-Pro-2:~ root#