[devel] Changed PNG_INTERNAL to PNG_EXPOSE_INTERNAL_STRUCTURES

ANNOUNCE

@@ -47,6 +47,7 @@ version 1.5.0beta05 [February 9, 2010]
   Revised comments in pngstruct.h and pnginfo.h and added pointers to
     the libpng license.
   Changed PNG_INTERNAL to PNG_EXPOSE_INTERNAL_STRUCTURES
+  Removed the cbuilder5 project, which has not been updated to 1.4.0.
 
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CHANGES

@@ -2524,6 +2524,7 @@ version 1.5.0beta05 [February 9, 2010]
   Revised comments in pngstruct.h and pnginfo.h and added pointers to
     the libpng license.
   Changed PNG_INTERNAL to PNG_EXPOSE_INTERNAL_STRUCTURES
+  Removed the cbuilder5 project, which has not been updated to 1.4.0.
 
 Send comments/corrections/commendations to png-mng-implement at lists.sf.net
 (subscription required; visit

png.h

@@ -591,7 +591,11 @@ typedef png_unknown_chunk FAR * png_unknown_chunkp;
 typedef png_unknown_chunk FAR * FAR * png_unknown_chunkpp;
 #endif
 
-
+/* CAUTION: Applications should not define this. If they do, ABI
+ * compatibility of the application with libpng from one libpng
+ * release to the next is not assured. It should only be defined
+ * while building libpng.
+ */
 #ifdef PNG_EXPOSE_INTERNAL_STRUCTURES
 #include "pnginfo.h"
 #endif
@@ -784,6 +788,11 @@ typedef void (PNGAPI *png_longjmp_ptr) PNGARG((jmp_buf, int));
 typedef png_voidp (*png_malloc_ptr) PNGARG((png_structp, png_alloc_size_t));
 typedef void (*png_free_ptr) PNGARG((png_structp, png_voidp));
 
+/* CAUTION: Applications should not define this. If they do, ABI
+ * compatibility of the application with libpng from one libpng
+ * release to the next is not assured. It should only be defined
+ * while building libpng.
+ */
 #ifdef PNG_EXPOSE_INTERNAL_STRUCTURES
 #include "pngstruct.h"
 #endif