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(gawk.info)Obsolete

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Obsolete Options and/or Features
================================

   This minor node describes features and/or command-line options from
previous releases of `gawk' that are either not available in the
current version or that are still supported but deprecated (meaning that
they will _not_ be in the next release).

   For version 3.1 of `gawk', there are no deprecated command-line
options from the previous version of `gawk'.  The use of `next file'
(two words) for `nextfile' was deprecated in `gawk' 3.0 but still
worked.  Starting with version 3.1, the two word usage is no longer
accepted.

   The process-related special files described in Note: Special Files
for Process-Related Information, work as described, but
are now considered deprecated.  `gawk' prints a warning message every
time they are used.  (Use `PROCINFO' instead; see Note: Built-in
Variables That Convey Information.)  They will be removed
from the next release of `gawk'.