From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Thorsten Jolitz Newsgroups: gmane.emacs.help Subject: Linefeeds (\n) to stdout Date: Mon, 07 Oct 2013 22:24:13 +0200 Message-ID: <87y564q176.fsf@gmail.com> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1381177491 9642 80.91.229.3 (7 Oct 2013 20:24:51 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 7 Oct 2013 20:24:51 +0000 (UTC) To: help-gnu-emacs@gnu.org Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Mon Oct 07 22:24:54 2013 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1VTHML-00029v-Cu for geh-help-gnu-emacs@m.gmane.org; Mon, 07 Oct 2013 22:24:53 +0200 Original-Received: from localhost ([::1]:33385 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VTHMK-0003i5-Vd for geh-help-gnu-emacs@m.gmane.org; Mon, 07 Oct 2013 16:24:52 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33709) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VTHM3-0003gy-Le for help-gnu-emacs@gnu.org; Mon, 07 Oct 2013 16:24:42 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VTHLw-0003gq-CG for help-gnu-emacs@gnu.org; Mon, 07 Oct 2013 16:24:35 -0400 Original-Received: from plane.gmane.org ([80.91.229.3]:52582) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VTHLw-0003gJ-3S for help-gnu-emacs@gnu.org; Mon, 07 Oct 2013 16:24:28 -0400 Original-Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1VTHLu-00021l-31 for help-gnu-emacs@gnu.org; Mon, 07 Oct 2013 22:24:26 +0200 Original-Received: from g231232151.adsl.alicedsl.de ([92.231.232.151]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 07 Oct 2013 22:24:26 +0200 Original-Received: from tjolitz by g231232151.adsl.alicedsl.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 07 Oct 2013 22:24:26 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 48 Original-X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: g231232151.adsl.alicedsl.de User-Agent: Gnus/5.130002 (Ma Gnus v0.2) Emacs/24.3 (gnu/linux) Cancel-Lock: sha1:dxkVfewXCrNqOiXDxuYAwvxD7fo= X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 80.91.229.3 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:93877 Archived-At: Hi List, I'm trying to figure out some strange issues I have with linefeeds: 1. with standalone Emacs #+begin_src sh $ emacs -Q -e ... #+end_src sending an Org-mode text from another program Emacs and receiving the HTML produced by Org-mode's exporter (stdout and stdin) works fine. 2. doing exactly the same thing with emacs server/client #+begin_src sh $ emacsclient -e ... #+end_src results in HTML cluttered with \n that are printed verbatim in the webpage Another problem I face is that sending a parse-tree containing strings with only a linefeed (printed with '(print-escape-newlines t)') #+begin_src emacs-lisp #(\"\\n\" 0 1 (:parent #3)) #+end_src to another Lisp (that only knows about "^J", not about "\n") via stdout/stdin results, after the other Lisp's reader did its work, into something like #+begin_src picolisp (\# ("n" 0 1 (:parent \#3))) #+end_src [ignore the # stuff, but note that the linefeed was read as "n" string]. Now I wonder: - what does Emacs sends to stdout when it sends a linefeed? I use `prin1-to-string' and then `buffer-substring-no-properties' to produce the string I send from Emacs. - why are there differences between standalone Emacs and Emacsclient? -- cheers, Thorsten