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Annotation of src/usr.bin/awk/FIXES, Revision 1.56

1.1       tholo       1: /****************************************************************
1.6       kstailey    2: Copyright (C) Lucent Technologies 1997
1.1       tholo       3: All Rights Reserved
                      4:
                      5: Permission to use, copy, modify, and distribute this software and
                      6: its documentation for any purpose and without fee is hereby
                      7: granted, provided that the above copyright notice appear in all
                      8: copies and that both that the copyright notice and this
                      9: permission notice and warranty disclaimer appear in supporting
1.6       kstailey   10: documentation, and that the name Lucent Technologies or any of
                     11: its entities not be used in advertising or publicity pertaining
                     12: to distribution of the software without specific, written prior
                     13: permission.
                     14:
                     15: LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
                     16: INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
                     17: IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
                     18: SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     19: WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
                     20: IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
                     21: ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
                     22: THIS SOFTWARE.
1.1       tholo      23: ****************************************************************/
                     24:
1.51      millert    25: This file lists all bug fixes, changes, etc., made since the
                     26: second edition of the AWK book was published in September 2023.
1.45      millert    27:
1.56    ! millert    28: Nov 27, 2023:
        !            29:        Fix exit status of system on MacOS. update to REGRESS.
        !            30:        Thanks to Arnold Robbins.
        !            31:        Fix inconsistent handling of -F and --csv, and loss of csv
        !            32:        mode when FS is set. Thanks to Wilbert van der Poel.
        !            33:
1.55      millert    34: Nov 24, 2023:
                     35:         Fix issue #199: gototab improvements to dynamically resize the
                     36:         table, qsort and bsearch to improve the lookup speed as the
                     37:         table gets larger for multibyte input. thanks to Arnold Robbins.
                     38:
                     39: Nov 23, 2023:
                     40:        Fix Issue #169, related to escape sequences in strings.
                     41:        Thanks to Github user rajeevvp.
                     42:        Fix Issue #147, reported by Github user drawkula, and fixed
                     43:        by Miguel Pineiro Jr.
                     44:
                     45: Nov 20, 2023:
1.54      millert    46:        rewrite of fnematch to fix a number of issues, including
                     47:        extraneous output, out-of-bounds access, number of bytes
                     48:        to push back after a failed match etc.
                     49:        thanks to Miguel Pineiro Jr.
                     50:
1.55      millert    51: Nov 15, 2023:
1.54      millert    52:        Man page edit, regression test fixes. thanks to Arnold Robbins
                     53:        consolidation of sub and gsub into dosub, removing duplicate
                     54:        code. thanks to Miguel Pineiro Jr.
                     55:        gcc replaced with cc everywhere.
                     56:
1.53      millert    57: Oct 30, 2023:
                     58:        multiple fixes and a minor code cleanup.
                     59:        disabled utf-8 for non-multibyte locales, such as C or POSIX.
                     60:        fixed a bad char * cast that causes incorrect results on big-endian
                     61:        systems. also fixed an out-of-bounds read for empty CCL.
                     62:        fixed a buffer overflow in substr with utf-8 strings.
                     63:        many thanks to Todd C Miller.
                     64:
1.52      millert    65: Sep 24, 2023:
                     66:        fnematch and getrune have been overhauled to solve issues around
                     67:        unicode FS and RS. also fixed gsub null match issue with unicode.
                     68:        big thanks to Arnold Robbins.
                     69:
1.51      millert    70: Sep 12, 2023:
                     71:        Fixed a length error in u8_byte2char that set RSTART to
                     72:        incorrect (cannot happen) value for EOL match(str, /$/).
1.50      millert    73:
1.49      millert    74:
1.51      millert    75: -----------------------------------------------------------------
1.48      millert    76:
1.51      millert    77: [This entry is a summary, not a precise list of changes.]
1.46      millert    78:
1.51      millert    79:        Added --csv option to enable processing of comma-separated
                     80:        values inputs.  When --csv is enabled, fields are separated
                     81:        by commas, fields may be quoted with " double quotes, fields
                     82:        may contain embedded newlines.
1.46      millert    83:
1.51      millert    84:        If no explicit separator argument is provided, split() uses
                     85:        the setting of --csv to determine how fields are split.
1.44      millert    86:
1.51      millert    87:        Strings may now contain UTF-8 code points (not necessarily
                     88:        characters).  Functions that operate on characters, like
                     89:        length, substr, index, match, etc., use UTF-8, so the length
                     90:        of a string of 3 emojis is 3, not 12 as it would be if bytes
                     91:        were counted.
1.43      millert    92:
1.51      millert    93:        Regular expressions are processes as UTF-8.
1.6       kstailey   94:
1.51      millert    95:        Unicode literals can be written as \u followed by one
                     96:        to eight hexadecimal digits.  These may appear in strings and
                     97:        regular expressions.
1.6       kstailey   98: