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-rw-r--r--lisp/progmodes/make-mode.el12
1 files changed, 7 insertions, 5 deletions
diff --git a/lisp/progmodes/make-mode.el b/lisp/progmodes/make-mode.el
index 02693bb1607..a30f03a60e9 100644
--- a/lisp/progmodes/make-mode.el
+++ b/lisp/progmodes/make-mode.el
@@ -220,11 +220,13 @@ not be enclosed in { } or ( ).")
;; They can cause trouble, especially if they start with a tab.
'("^[ \t]+$" . makefile-space-face)
- ;; Highlight leading spaces, since they are hard to see before a tab
- ;; and can make a makefile fail to function.
- ;; Don't highlight leading tabs, because they are normal
- ;; and people assume that 8 cols of whitespace means a tab.
- '("^ " . makefile-space-face)))
+ ;; Highlight shell comments that Make treats as commands,
+ ;; since these can fool people.
+ '("^\t+#" makefile-space-face t)
+
+ ;; Highlight spaces that precede tabs.
+ ;; They can make a tab fail to be effective.
+ '("^\\( +\\)\t" 1 makefile-space-face)))
;;; ------------------------------------------------------------
;;; The following configurable variables are used in the