Imported from libpng-1.4.0beta55.tar

example.c

@@ -2,7 +2,7 @@
 #if 0 /* in case someone actually tries to compile this */
 
 /* example.c - an example of using libpng
- * Last changed in libpng 1.4.0 [April 13, 2009]
+ * Last changed in libpng 1.4.0 [April 14, 2009]
  * This file has been placed in the public domain by the authors.
  * Maintained 1998-2009 Glenn Randers-Pehrson
  * Maintained 1996, 1997 Andreas Dilger)
@@ -244,7 +244,7 @@ void read_png(FILE *fp, unsigned int sig_read)  /* file is already open */
    /* If we don't have another value */
    else
    {
-      screen_gamma = 2.2;  /* A good guess for a PC monitors in a dimly
+      screen_gamma = 2.2;  /* A good guess for a PC monitor in a dimly
                               lit room */
       screen_gamma = 1.7 or 1.0;  /* A good guess for Mac systems */
    }
@@ -682,7 +682,7 @@ void write_png(char *file_name /* , ... other image information ... */)
 
    /* other optional chunks like cHRM, bKGD, tRNS, tIME, oFFs, pHYs, */
    /* note that if sRGB is present the gAMA and cHRM chunks must be ignored
-    * on read and must be written in accordance with the sRGB profile */
+    * on read and should be written in accordance with the sRGB profile */
 
    /* Write the file header information.  REQUIRED */
    png_write_info(png_ptr, info_ptr);
@@ -778,7 +778,7 @@ void write_png(char *file_name /* , ... other image information ... */)
 #endif no_entire /* use only one output method */
 
    /* You can write optional chunks like tEXt, zTXt, and tIME at the end
-    * as well.  Shouldn't be necessary in 1.1.0 and up as all the public
+    * as well.  Shouldn't be necessary in 1.2.0 and up as all the public
     * chunks are supported and you can use png_set_unknown_chunks() to
     * register unknown chunks into the info structure to be written out.
     */