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-rw-r--r--Library/Formula/auctex.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/Library/Formula/auctex.rb b/Library/Formula/auctex.rb
index f2082bbc2..f2991069b 100644
--- a/Library/Formula/auctex.rb
+++ b/Library/Formula/auctex.rb
@@ -17,7 +17,7 @@ class Auctex < Formula
def which_emacs
emacs = ARGV.value('with-emacs') || which('emacs').to_s
- raise "#{emacs} not found" if not File.exists? emacs
+ raise "#{emacs} not found" unless File.exist? emacs
return emacs
end