[#39] Allow patching cl-defun by default

CHANGELOG.md

@@ -4,6 +4,9 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog].
 
 ## Unreleased
+### Added
+* New patch type `el-patch-cl-defun` ([#39]).
+
 ### Enhancements
 * When using `el-patch-ediff-patch` and `el-patch-ediff-conflict` the
   compared buffers are put into `emacs-lisp-mode` automatically to
@@ -21,6 +24,7 @@ The format is based on [Keep a Changelog].
   previously ([#30]).
 
 [#30]: https://github.com/raxod502/el-patch/issues/30
+[#39]: https://github.com/raxod502/el-patch/issues/39
 
 ## 2.2.3 (released 2019-04-10)
 ### Enhancements

el-patch.el

@@ -647,6 +647,15 @@ DEFINITION is a list starting with `defun' or similar."
 
 ;;;;; Predefined patch types
 
+;; These are alphabetized.
+
+;;;###autoload
+(el-patch-deftype cl-defun
+  :classify el-patch-classify-function
+  :locate el-patch-locate-function
+  :declare ((doc-string 3)
+            (indent defun)))
+
 ;;;###autoload
 (el-patch-deftype defconst
   :classify el-patch-classify-variable