Imported from libpng-1.0.5c.tarv1.0.5c

1 files changed, 16 insertions, 8 deletions

diff --git a/libpng.txt b/libpng.txt
index e9ffb0b5b..db313b628 100644
--- a/libpng.txt
+++ b/libpng.txt
@@ -1,6 +1,6 @@
 libpng.txt - A description on how to use and modify libpng
 
- libpng version 1.0.5a - October 23, 1999
+ libpng version 1.0.5c - November 27, 1999
  Updated and distributed by Glenn Randers-Pehrson
  <randeg@alum.rpi.edu>
  Copyright (c) 1998, 1999 Glenn Randers-Pehrson
@@ -229,7 +229,7 @@ called after each row has been read, which you can use to control
 a progress meter or the like.  It's demonstrated in pngtest.c.
 You must supply a function
 
-    void read_row_callback(png_ptr, png_uint_32 row, int pass);
+    void read_row_callback(png_ptr ptr, png_uint_32 row, int pass);
     {
       /* put your code here */
     }
@@ -1322,10 +1322,10 @@ Some of the more important parts of the png_info are:
                      Color Consortium
                      (http://www.color.org).
                      It can be one of
-                     PNG_SRGB_INTENT_SATURATION,
-                     PNG_SRGB_INTENT_PERCEPTUAL,
-                     PNG_SRGB_INTENT_ABSOLUTE, or
-                     PNG_SRGB_INTENT_RELATIVE.
+                     PNG_sRGB_INTENT_SATURATION,
+                     PNG_sRGB_INTENT_PERCEPTUAL,
+                     PNG_sRGB_INTENT_ABSOLUTE, or
+                     PNG_sRGB_INTENT_RELATIVE.
 
 
     png_set_sRGB_gAMA_and_cHRM(png_ptr, info_ptr,
@@ -1489,6 +1489,14 @@ image data.  You do this with a call to png_write_info().
 
     png_write_info(png_ptr, info_ptr);
 
+If you need to write a private chunk that you want to appear before
+the PLTE chunk when PLTE is present, you can write the PNG info in
+two steps, and insert code to write your own chunk between them:
+
+    png_write_info_before_PLTE(png_ptr, info_ptr);
+    write_my_private_chunks();
+    png_write_info(png_ptr, info_ptr);
+
 After you've written the file information, you can set up the library
 to handle any special transformations of the image data.  The various
 ways to transform the data will be described in the order that they
@@ -2058,13 +2066,13 @@ the old method.
 
 VII. Y2K Compliance in libpng
 
-October 23, 1999
+November 27, 1999
 
 Since the PNG Development group is an ad-hoc body, we can't make
 an official declaration.
 
 This is your unofficial assurance that libpng from version 0.71 and
-upward through 1.0.5a are Y2K compliant.  It is my belief that earlier
+upward through 1.0.5c are Y2K compliant.  It is my belief that earlier
 versions were also Y2K compliant.
 
 Libpng only has three year fields.  One is a 2-byte unsigned integer that