"expr '' \| ''" outputs 0 on GNU/Linux these days.

diff --git a/ChangeLog b/ChangeLog
index 107f76f0eb4f5ca8891472db73780238bff30b2c..bd82eb46302383f561248820896647729a24ba06 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2005-05-01  Paul Eggert  <eggert@cs.ucla.edu>
+
+       * doc/autoconf.texi (Limitations of Usual Tools): "expr '' \| ''"
+       outputs 0 on GNU/Linux these days.
+
 2005-04-29  Paul Eggert  <eggert@cs.ucla.edu>
 
        * doc/autoconf.texi (Autoconf Language): Add more description