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Bumps proc-macro2 from 1.0.52 to 1.0.56.
Release notes
Sourced from proc-macro2's releases.
Commits
72ee0b3
Release 1.0.56ddf7692
Merge pull request #382 from dtolnay/refunwindsafecda93c5
Ensure data structures are RefUnwindSafe on all versions of Ruste82b074
Merge pull request #381 from dtolnay/escape07efc1c4
Implement consistent behavior for Literal::string on all versions of Rust9c092a3
Merge pull request #380 from dtolnay/octalescape6c21627
Fix literal_string test on rustc older than 1.615d3e58b
Ignore octal_escapes clippy lint in test57b4db1
Circumvent clippy::octal_escapes lint in generated literalsd827973
Add regression test of \0 escaping for issue 363Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting
@dependabot rebase
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