| 1 | User-visible changes in version 2.8.1:
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| 2 |
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| 3 | * Documentation fixes.
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| 4 |
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| 5 | User-visible changes in version 2.8:
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| 6 |
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| 7 | * cmp and diff now conform to POSIX 1003.1-2001 (IEEE Std 1003.1-2001)
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| 8 | if the underlying system conforms to POSIX and if the _POSIX2_VERSION
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| 9 | environment variable is set to 200112. Conformance removes support
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| 10 | for `diff -NUM', where NUM is a number. Use -C NUM or -U NUM instead.
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| 11 | * cmp now supports trailing operands SKIP1 and SKIP2, like BSD cmp.
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| 12 | * cmp -i or --ignore-initial now accepts SKIP1:SKIP2 option value.
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| 13 | * New cmp option: -n or --bytes.
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| 14 | * cmp's old -c or --print-chars option has been renamed;
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| 15 | use -b or --print-bytes instead.
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| 16 | * cmp now outputs "byte" rather than "char" outside the POSIX locale.
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| 17 | * cmp -l's index column width now adjusts to fit larger (or smaller) files.
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| 18 | * cmp -l -s and cmp -s -l are not allowed. Use cmp -s or cmp -l instead.
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| 19 | * diff uses ISO 8601 style time stamps for output times (e.g. "2001-11-23
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| 20 | 16:44:36.875702460 -0800") unless in the C or POSIX locale and the
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| 21 | -c style is specified.
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| 22 | * diff's -I and -F options use the regexp syntax of grep, not of Emacs.
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| 23 | * diff now accepts multiple context arguments, and uses their maximum value.
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| 24 | * New diff and sdiff options:
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| 25 | -E --ignore-tab-expansion
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| 26 | --strip-trailing-cr
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| 27 | * New diff options:
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| 28 | --from-file=FILE, --to-file=FILE
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| 29 | --ignore-file-name-case
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| 30 | --no-ignore-file-name-case
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| 31 | * New diff3 and sdiff option:
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| 32 | --diff-program=PROGRAM
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| 33 | * The following diff options are still accepted, but are no longer documented.
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| 34 | They may be withdrawn in future releases.
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| 35 | -h (omit; it has no effect)
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| 36 | -H (use --speed-large-files instead)
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| 37 | -L (use --label instead)
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| 38 | -P (use --unidirectional-new-file instead)
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| 39 | --inhibit-hunk-merge (omit; it has no effect)
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| 40 | * Recursive diffs now sort file names according to the LC_COLLATE locale
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| 41 | category if possible, instead of using native byte comparison.
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| 42 | * Diff printf specs can now use the "0" and "'" flags.
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| 43 | * The new sdiff interactive command `ed' precedes each version with a header.
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| 44 | * On 64-bit hosts, files larger than 2 GB can be compared.
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| 45 | * Some internationalization support has been added, but multibyte locales
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| 46 | are still not completely supported yet.
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| 47 | * Some diagnostics have been reworded slightly for consistency.
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| 48 | Also, `diff -D FOO' now outputs `/* ! FOO */' instead of `/* not FOO */'.
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| 49 | * The `patch' part of the manual now describes `patch' version 2.5.4.
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| 50 | * Man pages are now distributed and installed.
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| 51 | * There is support for DJGPP; see the 'ms' subdirectory and the files
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| 52 | m4/dos.m4 and */setmode.*.
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| 53 |
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| 54 |
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| 55 | User-visible changes in version 2.7:
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| 56 |
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| 57 | * New diff option: --binary (useful only on non-POSIX hosts)
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| 58 | * diff -b and -w now ignore line incompleteness; -B no longer does this.
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| 59 | * cmp -c now uses locale to decide which output characters to quote.
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| 60 | * Help and version messages are reorganized.
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| 61 |
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| 62 |
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| 63 | User-visible changes in version 2.6:
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| 64 |
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