From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Philipp Stephani Newsgroups: gmane.emacs.bugs Subject: bug#27776: 26.0.50; `print-gensym' doesn't work as advertised Date: Thu, 20 Jul 2017 21:46:16 +0000 Message-ID: References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="001a113d2cd847d0540554c6ae2d" X-Trace: blaine.gmane.org 1500587233 24938 195.159.176.226 (20 Jul 2017 21:47:13 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 20 Jul 2017 21:47:13 +0000 (UTC) To: 27776@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jul 20 23:47:09 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dYJHo-0006Do-Il for geb-bug-gnu-emacs@m.gmane.org; Thu, 20 Jul 2017 23:47:08 +0200 Original-Received: from localhost ([::1]:40124 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dYJHu-000359-96 for geb-bug-gnu-emacs@m.gmane.org; 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charset="UTF-8" Philipp schrieb am Do., 20. Juli 2017 um 23:32 Uhr: > > The docstring of `print-gensym' says: > > When the uninterned symbol appears within a recursive data structure, > and the symbol appears more than once, in addition use the #N# and #N= > constructs as needed, so that multiple references to the same symbol are > shared once again when the text is read back. > OK, so you could read this as "the numbering is only used for recursive data structures". But I don't understand why; it seems equally appropriate for non-recursive data structures. --001a113d2cd847d0540554c6ae2d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


Philip= p <p.stephani2@gmail.com>= ; schrieb am Do., 20. Juli 2017 um 23:32=C2=A0Uhr:

The docstring of `print-gensym' says:

=C2=A0 =C2=A0When the uninterned symbol appears within a recursive data str= ucture,
=C2=A0 =C2=A0and the symbol appears more than once, in addition use the #N#= and #N=3D
=C2=A0 =C2=A0constructs as needed, so that multiple references to the same = symbol are
=C2=A0 =C2=A0shared once again when the text is read back.

OK, so you could read this as "the nu= mbering is only used for recursive data structures". But I don't u= nderstand why; it seems equally appropriate for non-recursive data structur= es.=C2=A0
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