From: Mattias Engdegård <mattiase@acm.org>
Date: Tue, 24 May 2022 18:08:05 +0000 (+0200)
Subject: Remove f90-mode regexp ambiguity (bug#17222)
X-Git-Tag: emacs-29.0.90~1910^2~448
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=71178fbdc6a1124131dc3a760bde9d79d34ecec2;p=emacs.git

Remove f90-mode regexp ambiguity (bug#17222)

* lisp/progmodes/f90.el (f90-font-lock-keywords-2):
Modify regexp to be better-behaved.
---

diff --git a/lisp/progmodes/f90.el b/lisp/progmodes/f90.el
index 342fcb27b3d..dcd74f0369c 100644
--- a/lisp/progmodes/f90.el
+++ b/lisp/progmodes/f90.el
@@ -612,7 +612,7 @@ and variable-name parts, respectively."
     '("^[ \t0-9]*\\(?:pure\\|elemental\\)?[ \t]*\
 \\(real\\|integer\\|c\\(haracter\\|omplex\\)\\|\
 enumerator\\|generic\\|procedure\\|logical\\|double[ \t]*precision\\)\
-\\(.*::\\|[ \t]*(.*)\\)?\\(\\(?:[^&!\n]*\\(?:&\n\\)?\\)+\\)"
+\\(.*::\\|[ \t]*(.*)\\)?\\([^&!\n]*\\(?:&\n[^&!\n]*\\)*\\)"
       (1 font-lock-type-face t) (4 font-lock-variable-name-face append))
     ;; Derived type/class variables.
     ;; TODO ? If we just highlighted the "type" part, rather than