[PATCH] docs: document Solaris 10 /bin/ksh and XPG4 sh 'unset' bug

[Stefano Lattarini]

* doc/autoconf.texi (Limitations of Builtins): Solaris 10 ksh
and XPG4 sh also fails upon `unset' of a variable that is not
set.
---
 ChangeLog         |    7 +++++++
 doc/autoconf.texi |    3 ++-
 2 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 6e36455..976c6fc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2011-09-13  Stefano Lattarini  <address@hidden>
+
+       docs: document Solaris 10 /bin/ksh and XPG4 sh 'unset' bug
+       * doc/autoconf.texi (Limitations of Builtins): Solaris 10 ksh
+       and XPG4 sh also fails upon `unset' of a variable that is not
+       set.
+
 2011-08-16  Stefano Lattarini  <address@hidden>
 
        docs: other issues with parallel BSD make
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index 3377afe..90ab4b9 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -18105,7 +18105,8 @@ and file name expansion.
 @item @command{unset}
 @c ------------------
 @prindex @command{unset}
-In some nonconforming shells (e.g., NetBSD 5.99.43 sh or Bash 2.05a),
+In some nonconforming shells (e.g., Solaris 10 @command{/bin/ksh} and
address@hidden/usr/xpg4/bin/sh}, NetBSD 5.99.43 sh, or Bash 2.05a),
 @code{unset FOO} fails when @code{FOO} is not set.  This can interfere
 with @code{set -e} operation.  You can use
 
-- 
1.7.2.3