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emacs 20.7: make-mode doesn't understand "?=" assignment operator


From: Jonathan Kamens
Subject: emacs 20.7: make-mode doesn't understand "?=" assignment operator
Date: 25 Jul 2001 17:59:42 -0400

Make-mode in emacs 20.7 doesn't understand that "?=" is a valid macro
assignment operator.  Here's a patch:

--- /usr/share/emacs/20.7/lisp/progmodes/make-mode.el   Sat Feb  6 23:01:34 1999
+++ /tmp/make-mode.el   Wed Jul 25 14:12:16 2001
@@ -241,7 +241,7 @@
 ;; that if you change this regexp you might have to fix the imenu
 ;; index in makefile-imenu-generic-expression.
 (defconst makefile-macroassign-regex
-  "^ *\\([^ \n\t][^:#= \t\n]*\\)[ \t]*[*:+]?:?="
+  "^ *\\([^ \n\t][^:#= \t\n]*\\)[ \t]*[*:+]?[:?]?="
   "Regex used to find macro assignment lines in a makefile.")
 
 (defconst makefile-ignored-files-in-pickup-regex



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