fix(regex): complete PPR compatibility - #1319
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Record the known PPR 0.001010 failures and the staged acceptance plan for issue #1318 before implementation begins. Generated with Codex (https://openai.com/codex) Co-Authored-By: Codex <codex@openai.com>
Treat unordered native capture offsets as nonparticipating captures and keep recursive-call detection on the active call-frame chain. This clears PPR's initial range-error family while preserving the remaining heredoc work for issue #1318. Generated with Codex (https://openai.com/codex) Co-Authored-By: Codex <codex@openai.com>
Retain PPR's recursive grammar callbacks and capture state while bounding Joni's heap-backed backtracking stack. Exhaustion now follows the existing Perl recursion-exhaustion behavior rather than consuming the JVM heap. Generated with Codex (https://openai.com/codex/) Co-Authored-By: Codex <codex@openai.com>
Correct recursive capture and nullable-call behavior in Joni, preserve callback-bearing regexes during empty-pattern reuse, and cover the resulting PPR grammar paths with focused regressions. Generated with Codex (https://openai.com/codex/) Co-Authored-By: Codex <codex@openai.com>
Preserve Perl's localized diamond-reader behavior for argumentless readline, preventing PPR document_self warnings on the JVM backend. Generated with Codex (https://openai.com/codex/) Co-Authored-By: Codex <codex@openai.com>
Preserve diamond and double-diamond semantics across both backends, including ARGV lifecycle, EOF handling, diagnostics, and ordinary-diamond fork warnings. Generated with Codex (https://openai.com/codex/) Co-Authored-By: Codex <codex@openai.com>
Treat a lone '*' in-place extension as extensionless editing and restore the temporary source when an unhandled error aborts the implicit edit loop. Generated with [Codex](https://openai.com/codex/) Co-Authored-By: Codex <codex@openai.com>
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Use File::Spec's platform null device so the ARGV lifecycle regression runs on Windows. Generated with [Codex](https://openai.com/codex/) Co-Authored-By: Codex <codex@openai.com>
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Summary
./jcpan -t PPRgate as the PR's final acceptance criterion.Closes #1318.
Status
Draft/WIP. Implementation has not begun; the next step is reducing
t/blocks.tto a permanent project-owned regression test.Validation
make check-linksGenerated with Codex (https://openai.com/codex)