Note posix mailing list posting correcting a bug in the web version of the standard.

diff --git a/toys/pending/expr.c b/toys/pending/expr.c
index c7da4d1..936f5fb 100644 (file)
--- a/toys/pending/expr.c
+++ b/toys/pending/expr.c
@@ -3,6 +3,9 @@
  * Copyright 2013 Daniel Verkamp <daniel@drv.nu>
  *
  * http://pubs.opengroup.org/onlinepubs/9699919799/utilities/expr.html
+ *
+ * The web standard is incomplete (precedence grouping missing), see:
+ * http://permalink.gmane.org/gmane.comp.standards.posix.austin.general/10141
 
 USE_EXPR(NEWTOY(expr, NULL, TOYFLAG_USR|TOYFLAG_BIN))