master 4b40b790ae: Fix last change in perl-mode

[Mauro Aranda]

branch: master
commit 4b40b790ae003032daa612807bc59e17f2c29dca
Author: Mauro Aranda <maurooaranda@gmail.com>
Commit: Mauro Aranda <maurooaranda@gmail.com>

    Fix last change in perl-mode
    
    * lisp/progmodes/perl-mode.el (perl--syntax-exp-intro-regexp): Escape
    $.  Reported by Mattias Engdegård.
---
 lisp/progmodes/perl-mode.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/progmodes/perl-mode.el b/lisp/progmodes/perl-mode.el
index c5d5d703fc..db9df67279 100644
--- 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!