Fix last change in perl-mode

* lisp/progmodes/perl-mode.el (perl--syntax-exp-intro-regexp): Escape
$.  Reported by Mattias Engdegård.

diff --git a/lisp/progmodes/perl-mode.el b/lisp/progmodes/perl-mode.el
index c5d5d703fc916e68034765e57f069d24f8046eec..db9df6727971fb30b2734fd51a09f8537d721c7e 100644 (file)
--- a/lisp/progmodes/perl-mode.el
+++ b/lisp/progmodes/perl-mode.el
@@ -223,7 +223,7 @@
             (regexp-opt perl--syntax-exp-intro-keywords)
             ;; A HERE document as an argument to printf?
             ;; when printing to a filehandle.
-            "\\|printf?[ \t]*$?[_[:alpha:]][_[:alnum:]]*"
+            "\\|printf?[ \t]*\\$?[_[:alpha:]][_[:alnum:]]*"
             "\\|=>"
             "\\|[?:.,;|&*=!~({[]"
             "\\|[^-+][-+]"    ;Bug#42168: `+' is intro but `++' isn't!