rfcstrip: fix brew style.

Needed for Homebrew/brew#9350
sjackman · Dec 1, 2020 · bc03474 · bc03474
1 parent 2462f64
commit bc03474
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Formula/rfcstrip.rb b/Formula/rfcstrip.rb
@@ -20,7 +20,7 @@ def install
     resource("rfc1149").stage do
       stripped = shell_output("#{bin}/rfcstrip rfc1149.txt")
       assert !stripped.match(/\[Page \d+\]/) # RFC page numbering
-      assert !stripped.include?("\f") # form feed a.k.a. Control-L
+      assert stripped.exclude?("\f") # form feed a.k.a. Control-L
     end
   end
 end