Use lexical-binding in bug-reference.el

* .dir-locals.el: Set bug-reference-url-format in all modes, not just
changelog mode. Use (eval . (bug-reference-mode)) as described
in (info "(emacs) Specifying File Variables")
* lisp/progmodes/bug-reference.el: Use lexical binding.
(bug-reference-unfontify):
(bug-reference-fontify): Mention args in docstring.

Bug#35123
parent 6cb49922
Pipeline #1229 failed with stage
in 50 minutes and 18 seconds
((nil . ((tab-width . 8)
(sentence-end-double-space . t)
(fill-column . 70)))
(fill-column . 70)
(bug-reference-url-format . "https://debbugs.gnu.org/%s")))
(c-mode . ((c-file-style . "GNU")
(c-noise-macro-names . ("INLINE" "ATTRIBUTE_NO_SANITIZE_UNDEFINED" "UNINIT" "CALLBACK" "ALIGN_STACK"))
(electric-quote-comment . nil)
......@@ -12,8 +13,7 @@
(log-edit-setup-add-author . t)))
(change-log-mode . ((add-log-time-zone-rule . t)
(fill-column . 74)
(bug-reference-url-format . "https://debbugs.gnu.org/%s")
(mode . bug-reference)))
(eval . (bug-reference-mode))))
(diff-mode . ((mode . whitespace)))
(emacs-lisp-mode . ((indent-tabs-mode . nil)
(electric-quote-comment . nil)
......
;; bug-reference.el --- buttonize bug references
;; bug-reference.el --- buttonize bug references -*- lexical-binding: t; -*-
;; Copyright (C) 2008-2019 Free Software Foundation, Inc.
......@@ -91,7 +91,7 @@ The second subexpression should match the bug reference (usually a number)."
(bug-reference-set-overlay-properties)
(defun bug-reference-unfontify (start end)
"Remove bug reference overlays from region."
"Remove bug reference overlays from the region between START and END."
(dolist (o (overlays-in start end))
(when (eq (overlay-get o 'category) 'bug-reference)
(delete-overlay o))))
......@@ -99,7 +99,7 @@ The second subexpression should match the bug reference (usually a number)."
(defvar bug-reference-prog-mode)
(defun bug-reference-fontify (start end)
"Apply bug reference overlays to region."
"Apply bug reference overlays to the region between START and END."
(save-excursion
(let ((beg-line (progn (goto-char start) (line-beginning-position)))
(end-line (progn (goto-char end) (line-end-position))))
......
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