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[Emacs-diffs] trunk r116813: * internals.texi (C Integer Types): Prefer
From: |
Paul Eggert |
Subject: |
[Emacs-diffs] trunk r116813: * internals.texi (C Integer Types): Prefer 'false' and 'true' |
Date: |
Thu, 20 Mar 2014 17:58:06 +0000 |
User-agent: |
Bazaar (2.6b2) |
------------------------------------------------------------
revno: 116813
revision-id: address@hidden
parent: address@hidden
committer: Paul Eggert <address@hidden>
branch nick: trunk
timestamp: Thu 2014-03-20 10:58:01 -0700
message:
* internals.texi (C Integer Types): Prefer 'false' and 'true'
to '0' and '1' for booleans.
modified:
doc/lispref/ChangeLog changelog-20091113204419-o5vbwnq5f7feedwu-6155
doc/lispref/internals.texi
internals.texi-20091113204419-o5vbwnq5f7feedwu-6188
=== modified file 'doc/lispref/ChangeLog'
--- a/doc/lispref/ChangeLog 2014-03-19 21:21:01 +0000
+++ b/doc/lispref/ChangeLog 2014-03-20 17:58:01 +0000
@@ -1,3 +1,8 @@
+2014-03-20 Paul Eggert <address@hidden>
+
+ * internals.texi (C Integer Types): Prefer 'false' and 'true'
+ to '0' and '1' for booleans.
+
2014-03-19 Paul Eggert <address@hidden>
* numbers.texi: Improve and clarify a bit, and fix some minor bugs.
=== modified file 'doc/lispref/internals.texi'
--- a/doc/lispref/internals.texi 2014-03-18 01:19:03 +0000
+++ b/doc/lispref/internals.texi 2014-03-20 17:58:01 +0000
@@ -1620,10 +1620,10 @@
int} so that their values are 0 and 1.
@item
-In C, Emacs commonly uses @code{bool}, 1, and 0 for boolean values.
-Using @code{bool} for booleans can make programs easier to read and a
-bit faster than using @code{int}. Although it is also OK to use
address@hidden, this older style is gradually being phased out. When
+Prefer @code{bool}, @code{false} and @code{true} for booleans.
+Using @code{bool} can make programs easier to read and a bit faster than
+using @code{int}. Although it is also OK to use @code{int}, @code{0}
+and @code{1}, this older style is gradually being phased out. When
using @code{bool}, respect the limitations of the replacement
implementation of @code{bool}, as documented in the source file
@file{lib/stdbool.in.h}, so that Emacs remains portable to pre-C99
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