Maintenance release over the 1.2.0 development tag; the public API is unchanged.
goodpractice-aligned .lintr, pre-commit and
community-health configuration, and Dependabot for GitHub Actions; no
package code or user-facing change (#57, #58, #61, #63).host_normalize() no longer takes a strict
argument. It was inert (always applied the full profile) and reserved
for exactly this relaxed variant, which the three explicit flags below
now provide.host_normalize() gains three UTS #46 processing flags —
check_hyphens, use_std3, and
verify_dns_length — each defaulting to TRUE
(the strict uts46-nontransitional-std3-v1 profile) and each
independently relaxable. These are standard UTS #46 parameters, not a
browser mode: CheckBidi and CheckJoiners
always apply, and full WHATWG host policy lives upstack. Pass the same
flag values to normalization_profile_info() for the
matching profile identity.url_encode(), url_decode(), and
parse_url() are deprecated and now emit a
.Deprecated() warning on use. They remain exported and
fully functional for this release and are scheduled for removal in the
next one. These were always best-effort host extraction/rewriting, not
RFC 3986 / WHATWG URL parsing; use the rurl package for URL
parsing and canonicalization, or pass the host alone to
host_normalize() / puny_encode() /
puny_decode() for host-only needs.puny_encode() / puny_decode() now reject
URL-shaped input with a dedicated, actionable error
(looks_like_url) pointing at rurl::get_host(),
instead of the generic “ASCII domain labels may contain only letters,
numbers and hyphens” message. Behavior is unchanged (URLs were always
rejected; only the message is clearer).host_normalize() is now verified against the official
Unicode UTS #46 conformance corpus (IdnaTestV2.txt, Unicode
16.0.0). The suite confirms full non-transitional ToASCII conformance,
with one documented profile divergence: the trailing FQDN root dot is
permitted (strict VerifyDnsLength would reject the empty
root label).host_normalize() converts hostnames to their canonical
comparison form under a pinned UTS-46 profile (non-transitional,
UseSTD3ASCIIRules, CheckHyphens,
CheckBidi, CheckJoiners, NFC, DNS length
verification), returning lowercase ASCII A-labels or NA for
invalid input. The mapping/NFC/validation pipeline is implemented
in-tree over vendored Unicode 16.0.0 data, so behavior is independent of
whether libidn2 is present.normalization_profile_info() exposes the
machine-readable profile identity (profile,
unicode_version, and the profile parameters) for downstream
reproducibility keys.First CRAN release.
puny_decode() (and the URL/domain decoders) now bound
label length in both strict and non-strict mode. A crafted oversized
xn-- label previously drove the fallback decoder into
quadratic time with unbounded allocation; oversized labels are now
rejected promptly (error in strict mode, NA in
non-strict).puny_encode(), puny_decode())url_encode(),
url_decode(), parse_url())is_punycode(),
is_idn(), validate_domain())
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