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Simplify xref regular expression with rx

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* lisp/progmodes/xref.el (xref--regexp-to-extended): switch to rx
regular expression for legibility
This commit is contained in:
Daniel Colascione 2024-10-05 22:07:11 -04:00
parent e776df2a3e
commit 500f5da5fb
1 changed files with 2 additions and 1 deletions
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3
lisp/progmodes/xref.el
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@ -2076,7 +2076,8 @@ directory, used as the root of the ignore globs."
(replace-regexp-in-string
;; FIXME: Add tests. Move to subr.el, make a public function.
;; Maybe error on Emacs-only constructs.
"\\(?:\\\\\\\\\\)*\\(?:\\\\[][]\\)?\\(?:\\[.+?\\]\\|\\(\\\\?[(){}|]\\)\\)"
(rx (zero-or-more "\\\\") (opt "\\" (any "[]"))
(or (seq "[" (+? nonl) "]") (group (opt "\\") (any "(){|}"))))
(lambda (str)
(cond
((not (match-beginning 1))