GNU bug report logs - #76555
30.1; PEG's doc needs some correction

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: "Yue Yi" <include_yy <at> qq.com>
To: "bug-gnu-emacs" <bug-gnu-emacs <at> gnu.org>
Subject: 30.1; PEG's doc needs some correction
Date: Tue, 25 Feb 2025 22:52:22 +0800

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Hello Emacs, As we know, Emacs 30 introduced a PEG implementation, peg.el. I found that the following code doesn't work properly when reading the PEG documentation with folks: -------------- code from lispref/peg.texi ------------------------- (define-peg-rule digit ()   [0-9]) (define-peg-ruleset number-grammar         '((number sign digit (* digit))           digit  ;; A reference to the definition above.           (sign (or "+" "-" "")))) ------------------------------------------------------------------- We noticed that the correct usage of this macro is provided in peg.el. --------------code from peg.el ------------------------------------ ;;;; Named rulesets: ;; ;; You can define a set of rules for later use with: ;; ;;     (define-peg-ruleset myrules ;;       (sign  () (or "+" "-" "")) ;;       (digit () [0-9]) ;;       (nat   () digit (* digit)) ;;       (int   () sign digit (* digit)) ;;       (float () int "." nat)) ------------------------------------------------------------------- Perhaps we can correct the errors in the documentation through a simple replacement.  Regards, Yue Yi

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