PuTTY bug ipv6-literals

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summary: Better handling of literal IPv6 addresses
class: bug: This is clearly an actual problem we want fixed.
difficulty: fun: Just needs tuits, and not many of them.
priority: medium: This should be fixed one day.
present-in: 0.60
fixed-in: r10122 5a5ef64a30f5d96973811440b958b47f489ebf6c (0.64)

While PuTTY has had IPv6 support since 0.58, its handling of IPv6 literal addresses (e.g., ::1) still leaves something to be desired. In particular, there are various places where hostnames form part of a colon-delimited syntax (e.g., port-forwarding configuration); this interacts badly with IPv6 addresses containing colons.

PuTTY should consistently accept IPv6 literals in the square-bracket notation defined for URLs (in RFC 3986) wherever it accepts a hostname.

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(last revision of this bug record was at 2022-09-11 23:46:37 +0100)