Imported from libpng-1.2.0beta5.tar

ANNOUNCE

@@ -1,5 +1,5 @@
 
-Libpng 1.2.0beta4 - June 23, 2001
+Libpng 1.2.0beta5 - August 8, 2001
 
 This is a public release of libpng, intended for use in production codes.
 
@@ -18,6 +18,13 @@ Changes since the last public release (1.0.12):
      of png_write_oFFS width and height from png_uint_32 to png_int_32.
   Updated example.c
   Revised prototypes for png_debug_malloc and png_debug_free in pngtest.c
+  Revised makefile.gcmmx
+  Revised pnggccrd.c to conditionally compile some thread-unsafe code only
+     when PNG_THREAD_UNSAFE_OK is defined.
+  Added tests to prevent pngwutil.c from writing a bKGD or tRNS chunk with
+     value exceeding 2^bit_depth-1
+  Replaced calls to fprintf(stderr,...) with png_warning() in pnggccrd.c
+  Removed restriction that do_invert_mono only operate on 1-bit opaque files
 
 Send comments/corrections/commendations to
 png-implement@ccrc.wustl.edu or to randeg@alum.rpi.edu