Document indentation and font-locking of (let|when|while)-* forms

Also improve a test.

Author: Malabarba

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## master (unreleased)
 
+* Indent and font-lock forms that start with `let-`, `while-` or `when-` like their counterparts.
+
 ## 5.0.1 (15/11/2015)
 
 ### Bugs fixed

test/clojure-mode-font-lock-test.el

@@ -127,8 +127,8 @@ POS."
 (ert-deftest clojure-mode-syntax-table/fontify-let-when-while-type-forms ()
   :tags '(fontification syntax-table)
   (should (equal (clojure-test-face-at 2 11 "(when-alist [x 1]\n  ())") 'font-lock-keyword-face))
-  (should (equal (clojure-test-face-at 2 11 "(while-alist [x 1]\n  ())") 'font-lock-keyword-face))
-  (should (equal (clojure-test-face-at 2 11 "(let-alist [x 1]\n  ())") 'various-faces)))
+  (should (equal (clojure-test-face-at 2 12 "(while-alist [x 1]\n  ())") 'font-lock-keyword-face))
+  (should (equal (clojure-test-face-at 2 10 "(let-alist [x 1]\n  ())") 'font-lock-keyword-face)))
 
 (ert-deftest clojure-mode-syntax-table/type ()
   :tags '(fontification syntax-table)