[Chicken-hackers] [PATCH] A quartet of irregex patches

[Peter Bex]

Hi hackers,

Ivan reported a small bug in irregex (#888) that Alex agreed was an
oversight, so I fixed it upstream.  I noticed that the last bugfix we
applied to Chicken's irregex was a while ago and a handful of fixes
have gone in since, which means we're slightly out of date.

Attached are a few patches which bring us up-to-date with upstream
irregex bugfix release 0.8.3, and one patch for #888.  Meanwhile,
Alex has merged my submatch extraction change(!) but this is a very
large and invasive change which I think is probably best to postpone
until after 4.8.0 is released (which I hope is RSN).  However, the
patches I've attached include one very important bugfix and the patch
for #888 is so trivial I think it's worth including in the release.

Cheers,
Peter
-- 
http://sjamaan.ath.cx
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0001-Fix-hang-in-irregex-fold-caused-by-patterns-matching.patch
Description: Text document

0002-Add-complemented-unicode-char-set-tests-for-irregex-.patch
Description: Text document

0003-Update-irregex-copyright-and-NEWS-this-brings-us-exa.patch
Description: Text document

0004-Fix-irregex-builtin-real-utility-pattern-to-allow-le.patch
Description: Text document