Backport doc fix from trunk.

* internals.texi (C Integer Types): Prefer 'false' and 'true'
to '0' and '1' for booleans.

diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog
index fb79a74405be9c8330f6bf35d54cd08863b9c48e..c2d6c8d70122999baef48e40262eff1011762adf 100644 (file)
--- a/doc/lispref/ChangeLog
+++ b/doc/lispref/ChangeLog
@@ -1,3 +1,8 @@
+2014-03-20  Paul Eggert  <eggert@cs.ucla.edu>
+
+       * internals.texi (C Integer Types): Prefer 'false' and 'true'
+       to '0' and '1' for booleans.
+
 2014-03-19  Paul Eggert  <eggert@cs.ucla.edu>
 
        * numbers.texi: Improve and clarify a bit, and fix some minor bugs.

diff --git a/doc/lispref/internals.texi b/doc/lispref/internals.texi
index 3eaef134f746941cd2a605862c7347ebc3c42864..d91b0349810a8ac85cd80031209e6bcc297126c0 100644 (file)
--- a/doc/lispref/internals.texi
+++ b/doc/lispref/internals.texi
@@ -1620,10 +1620,10 @@ might not be.  Single-bit bit fields are invariably @code{unsigned
 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
-@code{int}, 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