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* [Patch] don't add indent for empty line when exiting, a code edit
@ 2014-03-11  0:22 Arun Persaud
  2014-03-12 18:08 ` Bastien
  0 siblings, 1 reply; 12+ messages in thread
From: Arun Persaud @ 2014-03-11  0:22 UTC (permalink / raw)
  To: emacs-orgmode

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Hi

I started using org babel for python, but when using C-c ' I always
ended up with white space added to the empty lines in the source code
when returning into the org buffer. This especially shows up
(setq-default show-trailing-whitespace t).

I tried to fix this in org. It seems to work over here, but my elisp as
well as my understanding of org-mode is not perfect ;) Let me know if it
needs more work.

Arun

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From e393fed9dbb132fdefff66d304f67f7def643140 Mon Sep 17 00:00:00 2001
From: Arun Persaud <arun@nubati.net>
Date: Mon, 10 Mar 2014 17:09:12 -0700
Subject: [PATCH] lisp/org-src.el: don't add indent for empty line when exiting
 a code edit

Using C-c ' to edit code blocks adds an indent to all lines when exiting from
the code edit. This leaves trailing whitespace in the buffer, which can be especially
annoying when using show-trailing-whitespace.
---
 lisp/org-src.el | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lisp/org-src.el b/lisp/org-src.el
index d1f6879..ef09bd6 100644
--- a/lisp/org-src.el
+++ b/lisp/org-src.el
@@ -737,8 +737,10 @@ with \",*\", \",#+\", \",,*\" and \",,#+\"."
       (unless (or single preserve-indentation (= total-nindent 0))
 	(setq indent (make-string total-nindent ?\ ))
 	(goto-char (point-min))
-	(while (re-search-forward "^" nil t)
-	  (replace-match indent)))
+        (while (re-search-forward "^" nil t)
+          (if (not (looking-at "$"))
+              (replace-match indent)
+	    (forward-char 1))))
       (if (org-bound-and-true-p org-edit-src-picture)
 	  (setq total-nindent (+ total-nindent 2)))
       (setq code (buffer-string))
-- 
1.9.0


^ permalink raw reply related	[flat|nested] 12+ messages in thread

end of thread, other threads:[~2014-03-14 18:46 UTC | newest]

Thread overview: 12+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2014-03-11  0:22 [Patch] don't add indent for empty line when exiting, a code edit Arun Persaud
2014-03-12 18:08 ` Bastien
2014-03-12 23:06   ` Charles Berry
2014-03-13  8:47     ` Bastien
2014-03-13 18:03       ` Charles Berry
2014-03-13 18:08         ` Bastien
2014-03-13 19:07           ` Charles Berry
2014-03-13 19:46             ` Bastien
2014-03-13 22:08               ` Charles C. Berry
2014-03-13 22:27               ` Florian Beck
2014-03-14  9:00                 ` Bastien
2014-03-14 18:46                   ` Arun Persaud

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