Package: nvi
Version: 1.81.6-23
Severity: normal
X-Debbugs-Cc: [email protected]

Character classes such as [:blank:], [:punct:], etc
are incorrectly interpreted as [:alnum:].
This also applies to negated classes,
e.g., [![:alnum:]] is intepreted as [[:alnum:]].
Stackexchange has an old report of the bug
and this answer has a suggested fix.
https://unix.stackexchange.com/a/171578

-- System Information:
Debian Release: 13.6
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.12.101+deb13-amd64 (SMP w/12 CPU threads; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages nvi depends on:
ii  init-system-helpers  1.69~deb13u1
ii  libc6                2.41-12+deb13u3
ii  libdb5.3t64          5.3.28+dfsg2-9
ii  libncursesw6         6.5+20250216-2
ii  libtinfo6            6.5+20250216-2

Versions of packages nvi recommends:
ii  nvi-doc  1.81.6-23

nvi suggests no packages.

-- no debconf information

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