[vim/vim] control flow commands using '|' fail inside a {} block (PR #19543)

[Christian Brabandt]

Problem: inside_block() iterates through all cstack levels
and returns TRUE when a CSF_BLOCK frame is found. For control
flow commands this causes '|' to no longer be
recognised as a command separator, breaking
"try | silent cmd | catch | endtry"
(Martin Tournoij, after v9.2.0072).
Solution: Return FALSE from inside_block() for control flow commands
that handle '|' themselves, so they always use '|' as
separator regardless of block nesting.

fixes: #19535

supported by AI claude.

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You can view, comment on, or merge this pull request online at:

  https://github.com/vim/vim/pull/19543

Commit Summary

• a1aaf20 control flow commands using '|' fail inside a {} block

File Changes

(2 files)

• M src/ex_eval.c (22)
• M src/testdir/test_trycatch.vim (26)

Patch Links:

• https://github.com/vim/vim/pull/19543.patch
• https://github.com/vim/vim/pull/19543.diff

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[Christian Brabandt]

Closed #19543 via 62cf4c2.

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