X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fstdbool.in.h;h=d589cb45f8128ba6dba87947a0edb24147883f99;hb=a2ae92ef0232df237fef9af3e52b52b67d44cb93;hp=881faf3cf93ecfd568c170fb0a0e90603705ee9e;hpb=8d8eda4eab3d2801251daf4eb31756c3595e2fc6;p=gnulib.git

diff --git a/lib/stdbool.in.h b/lib/stdbool.in.h
index 881faf3cf..d589cb45f 100644
--- a/lib/stdbool.in.h
+++ b/lib/stdbool.in.h
@@ -50,6 +50,9 @@
          with this substitute.  With this substitute, only the values 0 and 1
          give the expected result when converted to _Bool' or 'bool'.
 
+       - C99 allows the use of (_Bool)0.0 in constant expressions, but
+         this substitute cannot always provide this property.
+
    Also, it is suggested that programs use 'bool' rather than '_Bool';
    this isn't required, but 'bool' is more common.  */