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63 lines
2.0 KiB
Plaintext
63 lines
2.0 KiB
Plaintext
Version 0.12
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* regex.c does not #define bcmp/bcopy/bzero if they already are.
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* regex.h does not redefine `const' if it is already defined, even if
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__STDC__ is not defined.
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* RE_SYNTAX_ED added (same as POSIX BRE's).
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* The following bugs have been fixed, among others:
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* The pattern \w+ doesn't infinite loop.
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* The pattern ".+\n" is compiled correctly.
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* Expressions with more than MAX_REGNUM groups are compiled correctly.
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* Patterns that end in a repetition operator (e.g., `*') match
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slightly faster if no looping is actually necessary.
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Version 0.11 (17 Sep 92)
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* Back-references to nonexistent subexpressions, as in the r.e. `abc\1',
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are always invalid. Previously, they could match the literal digit,
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e.g., the stated r.e. might have matched `abc1'.
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* Empty subexpressions are always valid (POSIX leaves this undefined).
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* Simplified rules for ^ and $ being anchors.
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* One minor speedup (rewriting the C procedure `pop_failure_point' as a
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macro again).
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* Bug fixes involving:
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- Declarations in regex.h and non-ANSI compilers.
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- Bracket expressions with characters between 0x80-0xff.
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- Memory leak in re_match_2 on systems requiring `alloca (0)' to
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free alloca'd storage.
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* Test and documentation files moved into subdirectories.
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Version 0.10 (9 Sep 92)
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* `obscure_syntax' is now called `re_default_syntax'.
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* `re_comp's return type is no longer `const', for compatibility with BSD.
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* POSIX syntaxes now include as much functionality as possible
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(consistent with the standard).
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* Compilation conditionals normalized to what the rest of GNU is
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migrating towards these days.
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* Bug fixes involving:
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- Ranges with characters between 0x80 and 0xff, e.g., [\001-\377].
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- `re_compile_fastmap' and the sequence `.*\n'.
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- Intervals with exact counts, e.g., a{5}.
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* Changed distribution to use a standard Makefile, install the info
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files, use a configure script, etc.
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Version 0.9
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* The longest match was not always chosen: `a*|ab' didn't match `aab'.
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