diff --git a/ANNOUNCE b/ANNOUNCE
index 7297187..213eac3 100644
--- a/ANNOUNCE
+++ b/ANNOUNCE
@@ -1,5 +1,5 @@
 
-Libpng 1.7.0beta04 - February 23, 2013
+Libpng 1.7.0beta04 - February 27, 2013
 
 This is not intended to be a public release.  It will be replaced
 within a few weeks by a public version or by another test version.
@@ -187,9 +187,11 @@
     for it on then the build will fail if it can't be done.)
   Updated the INSTALL document.
 
-Version 1.7.0beta04 [February 23, 2013]
+Version 1.7.0beta04 [February 27, 2013]
   Revised INSTALL to recommend using CPPFLAGS instead of INCLUDES.
   Revised scripts/makefile.freebsd to respect ZLIBDIR and ZLIBINC.
+  Revised scripts/dfn.awk to work with the buggy MSYS awk that has trouble
+    with CRLF line endings.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
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diff --git a/CHANGES b/CHANGES
index c450d8e..9c23b81 100644
--- a/CHANGES
+++ b/CHANGES
@@ -4474,9 +4474,11 @@
     for it on then the build will fail if it can't be done.)
   Updated the INSTALL document.
 
-Version 1.7.0beta04 [February 23, 2013]
+Version 1.7.0beta04 [February 27, 2013]
   Revised INSTALL to recommend using CPPFLAGS instead of INCLUDES.
   Revised scripts/makefile.freebsd to respect ZLIBDIR and ZLIBINC.
+  Revised scripts/dfn.awk to work with the buggy MSYS awk that has trouble
+    with CRLF line endings.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit
diff --git a/scripts/dfn.awk b/scripts/dfn.awk
index 8a5dab6..6a8f2cb 100644
--- a/scripts/dfn.awk
+++ b/scripts/dfn.awk
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