[Pkg-rust-maintainers] Bug#985729: rust-regex empty pattern support is flawed

[Daniel Kahn Gillmor]

Package: src:rust-regex
Version: 1.3.7-1
Control: forwarded -1 https://gitlab.com/sequoia-pgp/sequoia/-/issues/694
Control: affects -1 src:rust-sequoia-openpgp
Control: clone -1 -2
Control: reassign -2 src:rust-regex-syntax 0.6.17-1

In the above-mentioned report for Sequoia's OpenPGP crate, we observe
how the regex crate fails to support some of the test cases that sequoia
includes.

This appears to be the main changelog issue between these two
regex-related crates from their debian-related version to the next
upstream version: regex-syntax (0.6.17 vs. 0.6.18) and regex (1.3.7
vs. 1.3.8).

I could work around this test failure in rust-sequoia-openpgp by patching
out the relevant test lines, but given that the changes between the
versions mentioned above seem fairly closely targeted to the minor
version bump in the regex-related packages, and this change is pretty
much the only thing in those packages, it might make more sense to just
bump rust-regex{,-syntax} to include these fixes for better handling of
empty regex patterns.

      --dkg
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