Imported from libpng-1.4.0beta48.tar

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.4.0beta47 - December 15, 2008
+Libpng 1.4.0beta48 - February 14, 2009
 
 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.
@@ -9,27 +9,27 @@ Files available for download:
 Source files with LF line endings (for Unix/Linux) and with a
 "configure" script
 
-   1.4.0beta47.tar.gz
-   1.4.0beta47.tar.bz2
+   1.4.0beta48.tar.gz
+   1.4.0beta48.tar.bz2
 
 Source files with LF line endings (for Unix/Linux) without the
 "configure" script
 
-   1.4.0beta47-no-config.tar.gz
-   1.4.0beta47-no-config.tar.bz2
+   1.4.0beta48-no-config.tar.gz
+   1.4.0beta48-no-config.tar.bz2
 
 Source files with CRLF line endings (for Windows), without the
 "configure" script
 
-   lp140b47.zip
-   lp140b47.tar.bz2
+   lp140b48.zip
+   lp140b48.tar.bz2
 
 Other information:
 
-   1.4.0beta47-README.txt
-   1.4.0beta47-KNOWNBUGS.txt
-   1.4.0beta47-LICENSE.txt
-   1.4.0beta47-Y2K-compliance.txt
+   1.4.0beta48-README.txt
+   1.4.0beta48-KNOWNBUGS.txt
+   1.4.0beta48-LICENSE.txt
+   1.4.0beta48-Y2K-compliance.txt
 
 Changes since the last public release (1.2.10):
 
@@ -343,7 +343,7 @@ version 1.4.0beta38 [November 22, 2008]
   Added check for zero-area RGB cHRM triange in png_check_cHRM() and
     png_check_cHRM_fixed().
 
-version 1.4.0beta39 [December 15, 2008]
+version 1.4.0beta39 [February 14, 2009]
   Revised png_warning() to write its message on standard output by default
     when warning_fn is NULL.
 
@@ -378,6 +378,11 @@ version 1.4.0beta46 [December 10, 2008]
 version 1.4.0beta47 [December 15, 2008]
   Turned off PNG_READ_DITHER_SUPPORTED by default.
 
+version 1.4.0beta48 [February 14, 2009]
+  Added new exported function png_calloc().
+  Combined several instances of png_malloc(); png_memset() into png_calloc().
+  Removed prototype for png_freeptr() that was added in libpng-1.4.0beta24
+
 version 1.4.0betaN [future]
   Build shared libraries with -lz and sometimes -lm.