I found this one when checking the spelling of Emacs's source code.
* lib/stdlib.in.h (ptsname): Fix misspelling of GNULIB_NAMESPACE.
---
ChangeLog | 5 +++++
lib/stdlib.in.h | 2 +-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index bf3a05f..8f4929c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-10-04 Paul Eggert <egg...@cs.ucla.edu>
+
+ ptsname: fix macro-name typo
+ * lib/stdlib.in.h (ptsname): Fix misspelling of GNULIB_NAMESPACE.
+
2012-10-03 Simon Josefsson <si...@josefsson.org>
inttostr: Relax license.
diff --git a/lib/stdlib.in.h b/lib/stdlib.in.h
index 8311a28..6555840 100644
--- a/lib/stdlib.in.h
+++ b/lib/stdlib.in.h
@@ -458,7 +458,7 @@ _GL_WARN_ON_USE (posix_openpt, "posix_openpt is not
portable - "
/* Return the pathname of the pseudo-terminal slave associated with
the master FD is open on, or NULL on errors. */
# if @REPLACE_PTSNAME@
-# if !(defined __cplusplus && defined GNULIB_NAMESPCE)
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
# undef ptsname
# define ptsname rpl_ptsname
# endif
--
1.7.11.4
