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bug#77744: 31.0.50; Inconsistent error signal in up-list-default-functio
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From: |
Juri Linkov |
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Subject: |
bug#77744: 31.0.50; Inconsistent error signal in up-list-default-function and treesit-up-list |
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Date: |
Fri, 11 Apr 2025 19:25:17 +0300 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/31.0.50 (x86_64-pc-linux-gnu) |
> In Tree-sitter-based major modes, when up-list (or backward-up-list) is
> used, the operation is delegated to the treesit-up-list function. In
> traditional major modes, this is typically handled by
> up-list-default-function if a custom up-list-function is not defined. When
> the top level is reached, up-list-default-function signals scan-error, but
> treesit-up-list signals user-error.
This is because 'up-list-default-function' signals both:
(if no-syntax-crossing
;; Assume called interactively; don't signal an error.
(user-error "At top level")
(signal (car err) (cdr err)))