Add a rule about comparisions

Author: Bozhidar Batsov

README.md

@@ -433,6 +433,17 @@ pairwise constructs as found in e.g. `let` and `cond`.
  (not (= foo bar))
  ```
 
+* When doing comparisons keep in mind that Clojure's functions `<`,
+ `>`, etc accept variable number of arguments.
+
+ ```Clojure
+ ;; good
+ (< 5 x 10)
+
+ ;; bad
+ (and (> x 5) (< x 10))
+ ```
+
 * Prefer `%` over `%1` in function literals with only one parameter.
 
  ```Clojure
@@ -494,7 +505,7 @@ pairwise constructs as found in e.g. `let` and `cond`.
 
  ```Clojure
  ;; Assuming `(:require [clojure.string :as str])`...
- 
+
  ;; good
  (map #(str/capitalize (str/trim %)) ["top " " test "])