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Copyright (C) 2019, 2020, 2021 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.
Changes from 5.1.0 to 5.1.1
---------------------------
1. Infrastructure upgrades: Bison 3.7.1, Gettext 0.20.2, Automake 1.16.3.
2. asort and asorti now allow FUNCTAB and SYMTAB as the first argument if a
second destination array is supplied. Similarly, using either array as
the second argument is now a fatal error. Additionally, using either
array as the destination for split(), match(), etc. also causes a
fatal error.
3. The new -I/--trace option prints a trace of the byte codes as they
are executed.
4. A number of subtle bugs relating to MPFR mode that caused differences
between regular operation and MPFR mode have been fixed.
5. The API now handles MPFR/GMP values slightly differently, requiring
different memory management for those values. See the manual for the
details if you have an extension using those values. As a result,
the minor version was incremented.
6. $0 and the fields are now cleared before starting a BEGINFILE rule.
7. The duplication of m4 and build-aux directories between the main
directory and the extension directory has been removed. This
simplifies the distribution.
8. The test suite has been improved, making it easier to run the entire
suite with -M. Use `GAWK_TEST_ARGS=-M make check' to do so.
9. Profiling and pretty-printing output has been modified slightly so
that functions are presented in a reasonable order with respect
to the namespaces that contain them.
10. Several example programs in the manual have been updated to their
modern POSIX equivalents.
11. Handling of Infinity and NaN values has been improved.
12. There has been a general tightening up of the use of const and
of types.
13. The "no effect" lint warnings have been fixed up and now behave
more sanely.
14. The manual has been updated with much more information about what is
and is not a bug, and the changes in the gawk mailing lists.
15. There have been numerous minor code cleanups and bug fixes. See the
ChangeLog for details.
Changes from 5.0.1 to 5.1.0
---------------------------
1. The major version of the API is bumped to 3, something that should
have happened at the 5.0.0 release but didn't.
2. A number of memory leak issues have been fixed.
3. Infrastructure upgrades: Bison 3.5.4, Texinfo 6.7, Gettext 0.20.1,
Automake 1.16.2.
4. The indexing in the manual has been thoroughly revised, in particular
making use of the facilities in Texinfo 6.7. That version (or newer)
must be used to format the manual.
5. MSYS2 is now supported out-of-the-box by configure.
6. Several bugs have been fixed. See the ChangeLog for details.
Changes from 5.0.0 to 5.0.1
---------------------------
1. A number of ChangeLog.1 files that were left out of the distribution
have been restored.
2. Multiple syntax errors should no longer be able to cause a core dump.
3. Sandbox mode now disallows assigning new filename values in ARGV that
were not there when gawk was invoked.
4. There are many small documentation improvements in the manual.
5. The new argument "no-ext" to --lint disables ``XXX is a gawk extension''
lint warnings.
6. Infrastructure upgrades: Bison 3.4.
7. A number of bugs, some of them quite significant, have been fixed.
See the ChangeLog for details.
Changes from 4.2.1 to 5.0.0
---------------------------
1. Support for the POSIX standard %a and %A printf formats has been added.
2. The test infrastructure has been greatly improved, simplifying the
contents of test/Makefile.am and making it possible to generate
pc/Makefile.tst from test/Makefile.in.
3. The regex routines have been replaced with those from GNULIB, allowing
me to stop carrying forward decades of changes against the original
ones from GLIBC.
4. Infrastructure upgrades: Bison 3.3, Automake 1.16.1, Gettext 0.19.8.1,
makeinfo 6.5.
5. The undocumented configure option and code that enabled the use of
non-English "letters" in identifiers is now gone.
6. The `--with-whiny-user-strftime' configuration option is now gone.
7. The code now makes some stronger assumptions about a C99 environment.
8. PROCINFO["platform"] yields a string indicating the platform for
which gawk was compiled.
9. Writing to elements of SYMTAB that are not variable names now
causes a fatal error. THIS CHANGES BEHAVIOR.
10. Comment handling in the pretty-printer has been reworked almost completely
from scratch. As a result, comments in many corner cases that were
previously lost are now included in the formatted output.
11. Namespaces have been implemented! See the manual. One consequence of this
is that files included with -i, read with -f, and command line program
segments must all be self-contained syntactic units. E.g., you can no
longer do something like this:
gawk -e 'BEGIN {' -e 'print "hello" }'
12. Gawk now uses the locale settings for ignoring case in single byte
locales, instead of hardwiring in Latin-1.
13. A number of bugs, some of them quite significant, have been fixed.
See the ChangeLog for details.
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