PATCH: make org-mime-htmlize argument optional

PATCH: make org-mime-htmlize argument optional

[Matt Price]

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At present, it's difficult to call org-mime-htmlize noninteractively.  This
trivial patch fixes that.

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From ebe5dc40bafb55d019d43efe89957c3b50379553 Mon Sep 17 00:00:00 2001
From: Matt Price <matt.price@utoronto.ca>
Date: Sat, 18 Jul 2015 16:14:33 -0400
Subject: [PATCH 3/3] org-mime.el: fix org-mime-htmlize

* org-mime.el: previously, org-mime-htmlize would throw an error if ARG
  was absent, and thus could not be called uninteractively.  ARG is now optional
---
 contrib/lisp/org-mime.el | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/contrib/lisp/org-mime.el b/contrib/lisp/org-mime.el
index 197c712..43ca041 100644
--- a/contrib/lisp/org-mime.el
+++ b/contrib/lisp/org-mime.el
@@ -194,10 +194,10 @@ and images in a multipart/related part."
       str)
      html-images)))
 
-(defun org-mime-htmlize (arg)
+(defun org-mime-htmlize (&optional arg)
   "Export a portion of an email body composed using `mml-mode' to
-html using `org-mode'.  If called with an active region only
-export that region, otherwise export the entire body."
+  html using `org-mode'.  If called with an active region only
+  export that region, otherwise export the entire body."
   (interactive "P")
   (require 'ox-org)
   (require 'ox-html)
-- 
2.4.3