From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Sat, 29 May 2021 06:02:10 +0000 (+0200)
Subject: Mention the recent floating point reader changes in NEWS
X-Git-Tag: emacs-28.0.90~2285
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=2e1510dd009a97e3952df6e6f6deb51aac854933;p=emacs.git

Mention the recent floating point reader changes in NEWS

* etc/NEWS: Mention the floating point reader changes (bug#48678).
---

diff --git a/etc/NEWS b/etc/NEWS
index 876f63c69c6..392b164c8b8 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -2496,6 +2496,13 @@ This is to keep the same behavior as Eshell.
 
 * Incompatible Lisp Changes in Emacs 28.1
 
+---
+** Some floating point numbers are now handled differently by the Lisp reader.
+In previous versions of Emacs, floating point numbers like 1.e6 would
+be read as 1.  This has now been changed, and the Lisp reader will now
+read that construct as 1000000.0.
+That is, (read-from-string "1.e6") => (1000000.0 . 4) now.
+
 +++
 ** The 'lexical-binding' local variable is always enabled.
 Previously, if 'enable-local-variables' was nil, a 'lexical-binding'