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Re: [O] Bug: XML entities in the ox-rss exporter

From: Arun Isaac
Subject: Re: [O] Bug: XML entities in the ox-rss exporter
Date: Thu, 26 May 2016 17:35:42 +0530
User-agent: mu4e 0.9.17; emacs 24.5.1

> I think my patch introduces a bug in `org-rss-build-channel-info'. I'll
> fix this and send a new patch soon.

I didn't realize (plist-get info :title) returns a list, and not a
string.  I have now fixed the bug. Please find attached a new patch.

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>From 58c290c9308f07e44bf893331ccf9d9c5d255e04 Mon Sep 17 00:00:00 2001
From: Arun Isaac <address@hidden>
Date: Thu, 26 May 2016 17:24:29 +0530
Subject: [PATCH] ox-rss: Encode characters to their XML entities

* contrib/lisp/ox-rss.el (org-rss-build-channel-info, org-rss-headline):
  Encode disallowed characters in `title' to their XML entities

The `title' field is user specified and may contain characters such as
"&", "<" or ">" that are disallowed in XML. These characters should be
encoded into their corresponding XML entities.
 contrib/lisp/ox-rss.el | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/contrib/lisp/ox-rss.el b/contrib/lisp/ox-rss.el
index 0c4a2f2..44ee8db 100644
--- a/contrib/lisp/ox-rss.el
+++ b/contrib/lisp/ox-rss.el
@@ -248,12 +248,13 @@ communication channel."
                             "%a, %d %b %Y %H:%M:%S %z"
                             (org-time-string-to-time pubdate0)))))
-            (title (or (org-element-property :RSS_TITLE headline)
-                       (replace-regexp-in-string
-                        org-bracket-link-regexp
-                        (lambda (m) (or (match-string 3 m)
-                                        (match-string 1 m)))
-                        (org-element-property :raw-value headline))))
+            (title (org-rss-plain-text
+                    (or (org-element-property :RSS_TITLE headline)
+                        (replace-regexp-in-string
+                         org-bracket-link-regexp
+                         (lambda (m) (or (match-string 3 m)
+                                         (match-string 1 m)))
+                         (org-element-property :raw-value headline))) info))
              (or (and hl-perm (concat (or hl-home hl-pdir) hl-perm))
@@ -318,7 +319,7 @@ as a communication channel."
 (defun org-rss-build-channel-info (info)
   "Build the RSS channel information."
   (let* ((system-time-locale "C")
-        (title (plist-get info :title))
+        (title (org-export-data (plist-get info :title) info))
         (email (org-export-data (plist-get info :email) info))
         (author (and (plist-get info :with-author)
                      (let ((auth (plist-get info :author)))

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