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we wouldn't have to declare object variables at all, so why
use an obtuse syntax to do so?)
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Most of the changes are in the area of representing sets.
Also, a bug was found in the compilation of regex character sets:
ranges straddling two adjacent blocks of 32 characters were
not being added to the character set. However, ranges falling
within a single 32 block, or spanning three or more such blocks,
worked properly. This bug is not tickled by common ranges
such as A-Z, or 0-9, which land within a 32 block.
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This is incomplete. There are too many dependencies on
wide character support from the C stream I/O library,
and implicit use of some encoding which may not be UTF-8.
The regex code does not handle wide characters properly.
Character type is still int in some places, rather than wchar_t.
Test suite passes though.
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Regexps can be bound to variables.
New freeform directive.
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Bugfixes.
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Lazy strings implemented, incompletely.
Changed string function to implicitly strdup; non-strdup
version changed to string_own. Fixed wrong uses of strdup
rather than chk_strdup.
Functions added to regex module to provide regex matching
as a state machine to which characters are fed.
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and used for matching. This Just Works because of
the way match_line treats variables.
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