6.10. Standards

[ALL]

[ANSI]

[DEFAULT]

[NONE]

[SAA]

[TRL1]
     REXX Language level 3.50, as described in [TRL1].

[TRL2]
     REXX Language level 4.00, as described in [TRL2].

Also, for those of these standards that have a accepted REXX
language level number, that number can be used, provided that it
matches character by character (i.e. not by numeric value). Thus,
you can use 3.50 as a synonym for TRL1, and 4.00 as a synonym for
TRL2.

Option     ALL    ANSI   DEF    NONE    SAA    TRL1   TRL2
BUFTYPE_B  yes    ??     yes    no      ??     no     no
IF
CLOSE_BIF  yes    ??     yes    no      ??     no     no
CACHEEXT   no     no     no     no      no     no     no
DESBUF_BI  yes    ??     yes    no      ??     no     no
F
DROPBUF_B  yes    ??     yes    no      ??     no     no
IF
FIND_BIF   yes    ??     yes    no      ??     no     no
FLUSHSTAC  yes    ??     no     no      ??     no     no
K
LINEOUTTR  yes    ??     yes    no      ??     no     no
UNC
MAKEBUF_B  yes    ??     yes    no      ??     no     no
IF
OPEN_BIF   yes    ??     yes    no      ??     no     no
PRUNE_TRA  yes    no     yes    no      no     no     no
CE
UPPER_CLA  yes    ??     yes    no      ??     no     no
USE

Note that the standard and default interpreter is a REXX language
level 4.00 interpreter. All other functionality is extensions. In
fact, the features in 4.00 that does not exist in 3.50 are
“inverse” extensions, i.e. the extension is to remove the
functionality only in 4.00.

                                 
                                 
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