From a6e495352f5745633b4c09a02621ceb2b86bc0d1 Mon Sep 17 00:00:00 2001
From: Pragmatic Software <pragma78@gmail.com>
Date: Sun, 27 Aug 2017 19:54:46 -0700
Subject: [PATCH] Remove extraneous $1

---
 PBot/Factoids.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PBot/Factoids.pm b/PBot/Factoids.pm
index 56f7b92e..c635a017 100644
--- a/PBot/Factoids.pm
+++ b/PBot/Factoids.pm
@@ -379,7 +379,7 @@ sub expand_factoid_vars {
   while (1) {
     last if ++$depth >= 10;
     my $matches = 0;
-    $action =~ s/\$0/\$$root_keyword$1/g;
+    $action =~ s/\$0/\$$root_keyword/g;
     my $const_action = $action;
     while ($const_action =~ /(\ba\s*|\ban\s*)?(?<!\\)\$([a-zA-Z0-9_:\-#\[\]]+)/gi) {
       my ($a, $v) = ($1, $2);