From 8576297b2a657d1944b7d824b30a1cb6459685c6 Mon Sep 17 00:00:00 2001 From: Phil Sainty Date: Sat, 11 Jul 2020 19:40:27 +1200 Subject: [PATCH] ; lisp/so-long.el: Prevent potential error if comment-use-syntax is nil * lisp/so-long.el (so-long-detected-long-line-p): Ensure that `comment-start-skip' and `comment-end-skip' are both set if `comment-use-syntax' is nil, as `comment-forward' requires them to be bound in this scenario. --- lisp/so-long.el | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lisp/so-long.el b/lisp/so-long.el index 21dc7de75c8..1332ae12633 100644 --- a/lisp/so-long.el +++ b/lisp/so-long.el @@ -1047,7 +1047,9 @@ This is the default value of `so-long-predicate'." (let ((count 0) start) (save-excursion (goto-char (point-min)) - (when so-long-skip-leading-comments + (when (and so-long-skip-leading-comments + (or comment-use-syntax ;; Refer to `comment-forward'. + (and comment-start-skip comment-end-skip))) ;; Skip the shebang line, if any. This is not necessarily comment ;; syntax, so we need to treat it specially. (when (looking-at "#!") -- 2.39.2