diff --git a/crnlib/crn_arealist.cpp b/crnlib/crn_arealist.cpp
index a68780d..3bbe584 100644
--- a/crnlib/crn_arealist.cpp
+++ b/crnlib/crn_arealist.cpp
@@ -1,5 +1,5 @@
 // File: crn_arealist.cpp - 2D shape algebra (currently unused)
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 // Ported from the PowerView DOS image viewer, a product I wrote back in 1993. Not currently used in the open source release of crnlib.
 #include "crn_core.h"
 #include "crn_arealist.h"
diff --git a/crnlib/crn_arealist.h b/crnlib/crn_arealist.h
index 3b9aea9..9d22780 100644
--- a/crnlib/crn_arealist.h
+++ b/crnlib/crn_arealist.h
@@ -1,5 +1,5 @@
 // File: crn_arealist.h - 2D shape algebra
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_assert.cpp b/crnlib/crn_assert.cpp
index 5900a4e..eb0e01d 100644
--- a/crnlib/crn_assert.cpp
+++ b/crnlib/crn_assert.cpp
@@ -1,5 +1,5 @@
 // File: crn_assert.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #if CRNLIB_USE_WIN32_API
 #include "crn_winhdr.h"
diff --git a/crnlib/crn_assert.h b/crnlib/crn_assert.h
index 4451369..f7fd620 100644
--- a/crnlib/crn_assert.h
+++ b/crnlib/crn_assert.h
@@ -1,5 +1,5 @@
 // File: crn_assert.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 const unsigned int CRNLIB_FAIL_EXCEPTION_CODE = 256U;
diff --git a/crnlib/crn_buffer_stream.h b/crnlib/crn_buffer_stream.h
index 26e2532..3488642 100644
--- a/crnlib/crn_buffer_stream.h
+++ b/crnlib/crn_buffer_stream.h
@@ -1,5 +1,5 @@
 // File: crn_buffer_stream.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_data_stream.h"
 
diff --git a/crnlib/crn_cfile_stream.h b/crnlib/crn_cfile_stream.h
index cd62c94..095d6ca 100644
--- a/crnlib/crn_cfile_stream.h
+++ b/crnlib/crn_cfile_stream.h
@@ -1,5 +1,5 @@
 // File: crn_cfile_stream.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_data_stream.h"
 
diff --git a/crnlib/crn_clusterizer.h b/crnlib/crn_clusterizer.h
index 2333e45..f08f0f0 100644
--- a/crnlib/crn_clusterizer.h
+++ b/crnlib/crn_clusterizer.h
@@ -1,5 +1,5 @@
 // File: crn_clusterizer.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_matrix.h"
 
diff --git a/crnlib/crn_color.h b/crnlib/crn_color.h
index 127ca04..35bfeb8 100644
--- a/crnlib/crn_color.h
+++ b/crnlib/crn_color.h
@@ -1,5 +1,5 @@
 // File: crn_color.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_core.h"
 
diff --git a/crnlib/crn_colorized_console.cpp b/crnlib/crn_colorized_console.cpp
index a55c84e..7dfbd34 100644
--- a/crnlib/crn_colorized_console.cpp
+++ b/crnlib/crn_colorized_console.cpp
@@ -1,5 +1,5 @@
 // File: crn_colorized_console.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_colorized_console.h"
 #ifdef CRNLIB_USE_WIN32_API
diff --git a/crnlib/crn_colorized_console.h b/crnlib/crn_colorized_console.h
index 57c3a46..4001f7a 100644
--- a/crnlib/crn_colorized_console.h
+++ b/crnlib/crn_colorized_console.h
@@ -1,5 +1,5 @@
 // File: crn_colorized_console.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_console.h"
 
diff --git a/crnlib/crn_command_line_params.cpp b/crnlib/crn_command_line_params.cpp
index 97e364b..d5c4e01 100644
--- a/crnlib/crn_command_line_params.cpp
+++ b/crnlib/crn_command_line_params.cpp
@@ -1,5 +1,5 @@
 // File: crn_command_line_params.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_command_line_params.h"
 #include "crn_console.h"
diff --git a/crnlib/crn_command_line_params.h b/crnlib/crn_command_line_params.h
index 726b706..bc1cf9c 100644
--- a/crnlib/crn_command_line_params.h
+++ b/crnlib/crn_command_line_params.h
@@ -1,5 +1,5 @@
 // File: crn_command_line_params.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_value.h"
 #include <map>
diff --git a/crnlib/crn_comp.cpp b/crnlib/crn_comp.cpp
index 1a51edf..64abd26 100644
--- a/crnlib/crn_comp.cpp
+++ b/crnlib/crn_comp.cpp
@@ -1,5 +1,5 @@
 // File: crn_comp.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_console.h"
 #include "crn_comp.h"
diff --git a/crnlib/crn_comp.h b/crnlib/crn_comp.h
index 5823494..7de2716 100644
--- a/crnlib/crn_comp.h
+++ b/crnlib/crn_comp.h
@@ -1,5 +1,5 @@
 // File: crn_comp.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #define CRND_HEADER_FILE_ONLY
diff --git a/crnlib/crn_console.cpp b/crnlib/crn_console.cpp
index da57125..cb8c333 100644
--- a/crnlib/crn_console.cpp
+++ b/crnlib/crn_console.cpp
@@ -1,5 +1,5 @@
 // File: crn_console.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_console.h"
 #include "crn_data_stream.h"
diff --git a/crnlib/crn_console.h b/crnlib/crn_console.h
index aa4cc8e..739044d 100644
--- a/crnlib/crn_console.h
+++ b/crnlib/crn_console.h
@@ -1,5 +1,5 @@
 // File: crn_console.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_dynamic_string.h"
 
diff --git a/crnlib/crn_core.cpp b/crnlib/crn_core.cpp
index 763eab6..1f108c8 100644
--- a/crnlib/crn_core.cpp
+++ b/crnlib/crn_core.cpp
@@ -1,5 +1,5 @@
 // File: crn_core.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 
 #if CRNLIB_USE_WIN32_API
@@ -8,7 +8,7 @@
 
 namespace crnlib
 {
-   const char *g_copyright_str = "Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.";
+   const char *g_copyright_str = "This is Public Domain Software, please see license.txt.";
    const char *g_sig_str = "C8cfRlaorj0wLtnMSxrBJxTC85rho2L9hUZKHcBL";
 
 } // namespace crnlib
diff --git a/crnlib/crn_core.h b/crnlib/crn_core.h
index 6c8c7f0..cd0607b 100644
--- a/crnlib/crn_core.h
+++ b/crnlib/crn_core.h
@@ -1,5 +1,5 @@
 // File: crn_core.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #if defined(WIN32) && defined(_MSC_VER)
diff --git a/crnlib/crn_data_stream.cpp b/crnlib/crn_data_stream.cpp
index 538085e..1ae7487 100644
--- a/crnlib/crn_data_stream.cpp
+++ b/crnlib/crn_data_stream.cpp
@@ -1,5 +1,5 @@
 // File: crn_data_stream.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_data_stream.h"
 
diff --git a/crnlib/crn_data_stream.h b/crnlib/crn_data_stream.h
index aa6d756..941f22c 100644
--- a/crnlib/crn_data_stream.h
+++ b/crnlib/crn_data_stream.h
@@ -1,5 +1,5 @@
 // File: crn_data_stream.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_data_stream_serializer.h b/crnlib/crn_data_stream_serializer.h
index c249f9a..d50204c 100644
--- a/crnlib/crn_data_stream_serializer.h
+++ b/crnlib/crn_data_stream_serializer.h
@@ -1,5 +1,5 @@
 // File: data_stream_serializer.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_data_stream.h"
 
diff --git a/crnlib/crn_dds_comp.cpp b/crnlib/crn_dds_comp.cpp
index d988714..fced7b9 100644
--- a/crnlib/crn_dds_comp.cpp
+++ b/crnlib/crn_dds_comp.cpp
@@ -1,5 +1,5 @@
 // File: crn_dds_comp.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_dds_comp.h"
 #include "crn_dynamic_stream.h"
diff --git a/crnlib/crn_dds_comp.h b/crnlib/crn_dds_comp.h
index a98ce24..0a1ec22 100644
--- a/crnlib/crn_dds_comp.h
+++ b/crnlib/crn_dds_comp.h
@@ -1,5 +1,5 @@
 // File: crn_comp.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_comp.h"
 #include "crn_mipmapped_texture.h"
diff --git a/crnlib/crn_decomp.cpp b/crnlib/crn_decomp.cpp
index a856225..438e5eb 100644
--- a/crnlib/crn_decomp.cpp
+++ b/crnlib/crn_decomp.cpp
@@ -1,5 +1,5 @@
 // File: crn_decomp.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 
 // Include the single-file header library with no defines, which brings in the full CRN decompressor.
diff --git a/crnlib/crn_dxt.cpp b/crnlib/crn_dxt.cpp
index bb8c616..10ac95e 100644
--- a/crnlib/crn_dxt.cpp
+++ b/crnlib/crn_dxt.cpp
@@ -1,5 +1,5 @@
 // File: crn_dxt.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_dxt.h"
 #include "crn_dxt1.h"
diff --git a/crnlib/crn_dxt.h b/crnlib/crn_dxt.h
index f95349c..fa3daa1 100644
--- a/crnlib/crn_dxt.h
+++ b/crnlib/crn_dxt.h
@@ -1,5 +1,5 @@
 // File: crn_dxt.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "../inc/crnlib.h"
 #include "crn_color.h"
diff --git a/crnlib/crn_dxt1.cpp b/crnlib/crn_dxt1.cpp
index 34dcf94..5ef183d 100644
--- a/crnlib/crn_dxt1.cpp
+++ b/crnlib/crn_dxt1.cpp
@@ -1,5 +1,5 @@
 // File: crn_dxt1.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 //
 // Notes:
 // This class is not optimized for performance on small blocks, unlike typical DXT1 compressors. It's optimized for scalability and quality:
diff --git a/crnlib/crn_dxt1.h b/crnlib/crn_dxt1.h
index 9a747ca..c6b7543 100644
--- a/crnlib/crn_dxt1.h
+++ b/crnlib/crn_dxt1.h
@@ -1,5 +1,5 @@
 // File: crn_dxt1.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_dxt.h"
 
diff --git a/crnlib/crn_dxt5a.cpp b/crnlib/crn_dxt5a.cpp
index 9901a66..6217a98 100644
--- a/crnlib/crn_dxt5a.cpp
+++ b/crnlib/crn_dxt5a.cpp
@@ -1,5 +1,5 @@
 // File: crn_dxt5a.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_dxt5a.h"
 #include "crn_ryg_dxt.hpp"
diff --git a/crnlib/crn_dxt5a.h b/crnlib/crn_dxt5a.h
index a10f772..b3ba219 100644
--- a/crnlib/crn_dxt5a.h
+++ b/crnlib/crn_dxt5a.h
@@ -1,5 +1,5 @@
 // File: crn_dxt5a.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_dxt.h"
 
diff --git a/crnlib/crn_dxt_endpoint_refiner.cpp b/crnlib/crn_dxt_endpoint_refiner.cpp
index a78b7df..2ec1271 100644
--- a/crnlib/crn_dxt_endpoint_refiner.cpp
+++ b/crnlib/crn_dxt_endpoint_refiner.cpp
@@ -1,5 +1,5 @@
 // File: crn_dxt_endpoint_refiner.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_dxt_endpoint_refiner.h"
 #include "crn_dxt1.h"
diff --git a/crnlib/crn_dxt_endpoint_refiner.h b/crnlib/crn_dxt_endpoint_refiner.h
index 131f904..4a7d531 100644
--- a/crnlib/crn_dxt_endpoint_refiner.h
+++ b/crnlib/crn_dxt_endpoint_refiner.h
@@ -1,5 +1,5 @@
 // File: crn_dxt_endpoint_refiner.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_dxt.h"
 
diff --git a/crnlib/crn_dxt_fast.cpp b/crnlib/crn_dxt_fast.cpp
index e698a73..50157ac 100644
--- a/crnlib/crn_dxt_fast.cpp
+++ b/crnlib/crn_dxt_fast.cpp
@@ -1,5 +1,5 @@
 // File: crn_dxt_fast.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 // Parts of this module are derived from RYG's excellent public domain DXTx compressor.
 #include "crn_core.h"
 #include "crn_dxt_fast.h"
diff --git a/crnlib/crn_dxt_fast.h b/crnlib/crn_dxt_fast.h
index 07346a3..aa0b4ed 100644
--- a/crnlib/crn_dxt_fast.h
+++ b/crnlib/crn_dxt_fast.h
@@ -1,5 +1,5 @@
 // File: crn_dxt_fast.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_color.h"
 #include "crn_dxt.h"
diff --git a/crnlib/crn_dxt_hc.cpp b/crnlib/crn_dxt_hc.cpp
index 0c1cd39..eb0b55b 100644
--- a/crnlib/crn_dxt_hc.cpp
+++ b/crnlib/crn_dxt_hc.cpp
@@ -1,5 +1,5 @@
 // File: crn_dxt_hc.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_dxt_hc.h"
 #include "crn_image_utils.h"
diff --git a/crnlib/crn_dxt_hc.h b/crnlib/crn_dxt_hc.h
index a421a4b..6c93ed7 100644
--- a/crnlib/crn_dxt_hc.h
+++ b/crnlib/crn_dxt_hc.h
@@ -1,5 +1,5 @@
 // File: crn_dxt_hc.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_dxt1.h"
 #include "crn_dxt5a.h"
diff --git a/crnlib/crn_dxt_hc_common.cpp b/crnlib/crn_dxt_hc_common.cpp
index 980f82b..67841cc 100644
--- a/crnlib/crn_dxt_hc_common.cpp
+++ b/crnlib/crn_dxt_hc_common.cpp
@@ -1,5 +1,5 @@
 // File: crn_dxt_hc_common.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_dxt_hc_common.h"
 
diff --git a/crnlib/crn_dxt_hc_common.h b/crnlib/crn_dxt_hc_common.h
index 808278f..3c2dfeb 100644
--- a/crnlib/crn_dxt_hc_common.h
+++ b/crnlib/crn_dxt_hc_common.h
@@ -1,5 +1,5 @@
 // File: crn_dxt_hc_common.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_dxt_image.cpp b/crnlib/crn_dxt_image.cpp
index e6bd8bb..34ae6ab 100644
--- a/crnlib/crn_dxt_image.cpp
+++ b/crnlib/crn_dxt_image.cpp
@@ -1,5 +1,5 @@
 // File: crn_dxt_image.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_dxt_image.h"
 #if CRNLIB_SUPPORT_SQUISH
diff --git a/crnlib/crn_dxt_image.h b/crnlib/crn_dxt_image.h
index 50b4838..428eb8f 100644
--- a/crnlib/crn_dxt_image.h
+++ b/crnlib/crn_dxt_image.h
@@ -1,5 +1,5 @@
 // File: crn_dxt_image.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_dxt1.h"
 #include "crn_dxt5a.h"
diff --git a/crnlib/crn_dynamic_stream.h b/crnlib/crn_dynamic_stream.h
index f134b21..e00974d 100644
--- a/crnlib/crn_dynamic_stream.h
+++ b/crnlib/crn_dynamic_stream.h
@@ -1,5 +1,5 @@
 // File: crn_dynamic_stream.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_data_stream.h"
 
diff --git a/crnlib/crn_dynamic_string.cpp b/crnlib/crn_dynamic_string.cpp
index e3e76bd..c78e1df 100644
--- a/crnlib/crn_dynamic_string.cpp
+++ b/crnlib/crn_dynamic_string.cpp
@@ -1,5 +1,5 @@
 // File: crn_dynamic_string.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_strutils.h"
 
diff --git a/crnlib/crn_dynamic_string.h b/crnlib/crn_dynamic_string.h
index e5eeac3..24c4a17 100644
--- a/crnlib/crn_dynamic_string.h
+++ b/crnlib/crn_dynamic_string.h
@@ -1,5 +1,5 @@
 // File: crn_dynamic_string.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_etc.cpp b/crnlib/crn_etc.cpp
index 86937da..d8d0bb5 100644
--- a/crnlib/crn_etc.cpp
+++ b/crnlib/crn_etc.cpp
@@ -1,5 +1,5 @@
 // File: crn_etc.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_etc.h"
 #include "crn_radix_sort.h"
diff --git a/crnlib/crn_etc.h b/crnlib/crn_etc.h
index 82b3a12..defd387 100644
--- a/crnlib/crn_etc.h
+++ b/crnlib/crn_etc.h
@@ -1,5 +1,5 @@
 // File: crn_etc.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "../inc/crnlib.h"
 #include "crn_dxt.h"
diff --git a/crnlib/crn_file_utils.cpp b/crnlib/crn_file_utils.cpp
index f5d6430..c84c304 100644
--- a/crnlib/crn_file_utils.cpp
+++ b/crnlib/crn_file_utils.cpp
@@ -1,5 +1,5 @@
 // File: crn_file_utils.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_file_utils.h"
 #include "crn_strutils.h"
diff --git a/crnlib/crn_file_utils.h b/crnlib/crn_file_utils.h
index 247f85a..e24db37 100644
--- a/crnlib/crn_file_utils.h
+++ b/crnlib/crn_file_utils.h
@@ -1,5 +1,5 @@
 // File: crn_file_utils.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_find_files.cpp b/crnlib/crn_find_files.cpp
index 39a1324..0e35b3f 100644
--- a/crnlib/crn_find_files.cpp
+++ b/crnlib/crn_find_files.cpp
@@ -1,5 +1,5 @@
 // File: crn_win32_find_files.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_find_files.h"
 #include "crn_file_utils.h"
diff --git a/crnlib/crn_find_files.h b/crnlib/crn_find_files.h
index 967ed55..27e8718 100644
--- a/crnlib/crn_find_files.h
+++ b/crnlib/crn_find_files.h
@@ -1,5 +1,5 @@
 // File: crn_win32_find_files.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_freeimage_image_utils.h b/crnlib/crn_freeimage_image_utils.h
index 0597d80..9607213 100644
--- a/crnlib/crn_freeimage_image_utils.h
+++ b/crnlib/crn_freeimage_image_utils.h
@@ -1,5 +1,5 @@
 // File: crn_freeimage_image_utils.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 // Note: This header file requires FreeImage/FreeImagePlus.
 
 #include "crn_image_utils.h"
diff --git a/crnlib/crn_hash.h b/crnlib/crn_hash.h
index db09c51..38ad9b0 100644
--- a/crnlib/crn_hash.h
+++ b/crnlib/crn_hash.h
@@ -1,5 +1,5 @@
 // File: crn_hash.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_hash_map.cpp b/crnlib/crn_hash_map.cpp
index 47b2e8c..57e42f3 100644
--- a/crnlib/crn_hash_map.cpp
+++ b/crnlib/crn_hash_map.cpp
@@ -1,5 +1,5 @@
 // File: crn_hash_map.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_hash_map.h"
 #include "crn_rand.h"
diff --git a/crnlib/crn_hash_map.h b/crnlib/crn_hash_map.h
index 655796a..20855a7 100644
--- a/crnlib/crn_hash_map.h
+++ b/crnlib/crn_hash_map.h
@@ -1,5 +1,5 @@
 // File: crn_hash_map.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 //
 // Notes:
 // stl-like hash map/hash set, with predictable performance across platforms/compilers/C run times/etc.
diff --git a/crnlib/crn_helpers.h b/crnlib/crn_helpers.h
index a9e3322..a83ed49 100644
--- a/crnlib/crn_helpers.h
+++ b/crnlib/crn_helpers.h
@@ -1,5 +1,5 @@
 // File: crn_helpers.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #define CRNLIB_NO_COPY_OR_ASSIGNMENT_OP(c) c(const c&); c& operator= (const c&);
diff --git a/crnlib/crn_huffman_codes.cpp b/crnlib/crn_huffman_codes.cpp
index 83f30aa..9360398 100644
--- a/crnlib/crn_huffman_codes.cpp
+++ b/crnlib/crn_huffman_codes.cpp
@@ -1,5 +1,5 @@
 // File: crn_huffman_codes.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_huffman_codes.h"
 
diff --git a/crnlib/crn_huffman_codes.h b/crnlib/crn_huffman_codes.h
index 473d09d..0d30139 100644
--- a/crnlib/crn_huffman_codes.h
+++ b/crnlib/crn_huffman_codes.h
@@ -1,5 +1,5 @@
 // File: crn_huffman_codes.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_image.h b/crnlib/crn_image.h
index 1e14338..1a453d0 100644
--- a/crnlib/crn_image.h
+++ b/crnlib/crn_image.h
@@ -1,5 +1,5 @@
 // File: crn_image.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_color.h"
 #include "crn_vec.h"
diff --git a/crnlib/crn_image_utils.cpp b/crnlib/crn_image_utils.cpp
index 0ffac1f..65a8beb 100644
--- a/crnlib/crn_image_utils.cpp
+++ b/crnlib/crn_image_utils.cpp
@@ -1,5 +1,5 @@
 // File: crn_image_utils.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_image_utils.h"
 #include "crn_console.h"
diff --git a/crnlib/crn_image_utils.h b/crnlib/crn_image_utils.h
index 480b3e7..8481525 100644
--- a/crnlib/crn_image_utils.h
+++ b/crnlib/crn_image_utils.h
@@ -1,5 +1,5 @@
 // File: crn_image_utils.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_image.h"
 #include "crn_data_stream_serializer.h"
diff --git a/crnlib/crn_intersect.h b/crnlib/crn_intersect.h
index a773dd2..c255e7c 100644
--- a/crnlib/crn_intersect.h
+++ b/crnlib/crn_intersect.h
@@ -1,5 +1,5 @@
 // File: crn_intersect.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_ray.h"
 
diff --git a/crnlib/crn_lzma_codec.cpp b/crnlib/crn_lzma_codec.cpp
index a88d33f..5386505 100644
--- a/crnlib/crn_lzma_codec.cpp
+++ b/crnlib/crn_lzma_codec.cpp
@@ -1,5 +1,5 @@
 // File: crn_lzma_codec.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_lzma_codec.h"
 #include "crn_strutils.h"
diff --git a/crnlib/crn_lzma_codec.h b/crnlib/crn_lzma_codec.h
index 97bdcd1..99a62a0 100644
--- a/crnlib/crn_lzma_codec.h
+++ b/crnlib/crn_lzma_codec.h
@@ -1,5 +1,5 @@
 // File: crn_lzma_codec.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_packed_uint.h"
 
diff --git a/crnlib/crn_math.cpp b/crnlib/crn_math.cpp
index 3df29c2..cf3e7ee 100644
--- a/crnlib/crn_math.cpp
+++ b/crnlib/crn_math.cpp
@@ -1,5 +1,5 @@
 // File: crn_math.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 
 namespace crnlib
diff --git a/crnlib/crn_math.h b/crnlib/crn_math.h
index 5b48f8a..2281bc2 100644
--- a/crnlib/crn_math.h
+++ b/crnlib/crn_math.h
@@ -1,5 +1,5 @@
 // File: crn_math.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #if defined(_M_IX86) && defined(_MSC_VER)
diff --git a/crnlib/crn_matrix.h b/crnlib/crn_matrix.h
index 14b44bf..4382fa9 100644
--- a/crnlib/crn_matrix.h
+++ b/crnlib/crn_matrix.h
@@ -1,5 +1,5 @@
 // File: crn_matrix.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #include "crn_vec.h"
diff --git a/crnlib/crn_mem.cpp b/crnlib/crn_mem.cpp
index b7abfb9..932f4d5 100644
--- a/crnlib/crn_mem.cpp
+++ b/crnlib/crn_mem.cpp
@@ -1,5 +1,5 @@
 // File: crn_mem.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_console.h"
 #include "../inc/crnlib.h"
diff --git a/crnlib/crn_mem.h b/crnlib/crn_mem.h
index 767192f..1e163f5 100644
--- a/crnlib/crn_mem.h
+++ b/crnlib/crn_mem.h
@@ -1,5 +1,5 @@
 // File: crn_mem.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #ifndef CRNLIB_MIN_ALLOC_ALIGNMENT
diff --git a/crnlib/crn_mipmapped_texture.cpp b/crnlib/crn_mipmapped_texture.cpp
index 99bfe3b..d360b07 100644
--- a/crnlib/crn_mipmapped_texture.cpp
+++ b/crnlib/crn_mipmapped_texture.cpp
@@ -1,5 +1,5 @@
 // File: crn_dds_texture.cpp - Actually supports both .DDS and .KTX. Probably will rename this eventually.
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_mipmapped_texture.h"
 #include "crn_cfile_stream.h"
diff --git a/crnlib/crn_mipmapped_texture.h b/crnlib/crn_mipmapped_texture.h
index 7fed19b..c0e0038 100644
--- a/crnlib/crn_mipmapped_texture.h
+++ b/crnlib/crn_mipmapped_texture.h
@@ -1,5 +1,5 @@
 // File: crn_mipmapped_texture.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_dxt_image.h"
 #include "../inc/dds_defs.h"
diff --git a/crnlib/crn_packed_uint.h b/crnlib/crn_packed_uint.h
index bde60c1..fecc0b0 100644
--- a/crnlib/crn_packed_uint.h
+++ b/crnlib/crn_packed_uint.h
@@ -1,5 +1,5 @@
 // File: crn_packed_uint
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_pixel_format.cpp b/crnlib/crn_pixel_format.cpp
index b86345f..5964ded 100644
--- a/crnlib/crn_pixel_format.cpp
+++ b/crnlib/crn_pixel_format.cpp
@@ -1,5 +1,5 @@
 // File: crn_pixel_format.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_pixel_format.h"
 #include "crn_image.h"
diff --git a/crnlib/crn_pixel_format.h b/crnlib/crn_pixel_format.h
index 0fcc9b1..1a44a68 100644
--- a/crnlib/crn_pixel_format.h
+++ b/crnlib/crn_pixel_format.h
@@ -1,5 +1,5 @@
 // File: crn_pixel_format.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_dxt.h"
 #include "../inc/crnlib.h"
diff --git a/crnlib/crn_platform.cpp b/crnlib/crn_platform.cpp
index 4ffe271..6433f48 100644
--- a/crnlib/crn_platform.cpp
+++ b/crnlib/crn_platform.cpp
@@ -1,5 +1,5 @@
 // File: crn_platform.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 
 #if CRNLIB_USE_WIN32_API
diff --git a/crnlib/crn_platform.h b/crnlib/crn_platform.h
index 3588e37..2c44341 100644
--- a/crnlib/crn_platform.h
+++ b/crnlib/crn_platform.h
@@ -1,5 +1,5 @@
 // File: crn_platform.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 bool crnlib_is_debugger_present(void);
diff --git a/crnlib/crn_prefix_coding.cpp b/crnlib/crn_prefix_coding.cpp
index e608ffc..b7bb766 100644
--- a/crnlib/crn_prefix_coding.cpp
+++ b/crnlib/crn_prefix_coding.cpp
@@ -1,5 +1,5 @@
 // File: crn_prefix_coding.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_prefix_coding.h"
 //#include "rand.h"
diff --git a/crnlib/crn_prefix_coding.h b/crnlib/crn_prefix_coding.h
index e07bbee..0ac6c3d 100644
--- a/crnlib/crn_prefix_coding.h
+++ b/crnlib/crn_prefix_coding.h
@@ -1,5 +1,5 @@
 // File: crn_prefix_coding.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_qdxt1.cpp b/crnlib/crn_qdxt1.cpp
index e978d5e..5cf3583 100644
--- a/crnlib/crn_qdxt1.cpp
+++ b/crnlib/crn_qdxt1.cpp
@@ -1,5 +1,5 @@
 // File: crn_qdxt.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_qdxt1.h"
 #include "crn_dxt1.h"
diff --git a/crnlib/crn_qdxt1.h b/crnlib/crn_qdxt1.h
index 3051798..40157a7 100644
--- a/crnlib/crn_qdxt1.h
+++ b/crnlib/crn_qdxt1.h
@@ -1,5 +1,5 @@
 // File: crn_qdxt1.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_dxt.h"
 #include "crn_hash_map.h"
diff --git a/crnlib/crn_qdxt5.cpp b/crnlib/crn_qdxt5.cpp
index 4e3136d..dc449eb 100644
--- a/crnlib/crn_qdxt5.cpp
+++ b/crnlib/crn_qdxt5.cpp
@@ -1,5 +1,5 @@
 // File: crn_qdxt5.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_qdxt5.h"
 #include "crn_dxt5a.h"
diff --git a/crnlib/crn_qdxt5.h b/crnlib/crn_qdxt5.h
index 355a9d8..793a03a 100644
--- a/crnlib/crn_qdxt5.h
+++ b/crnlib/crn_qdxt5.h
@@ -1,5 +1,5 @@
 // File: crn_qdxt5.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_hash_map.h"
 #include "crn_clusterizer.h"
diff --git a/crnlib/crn_radix_sort.h b/crnlib/crn_radix_sort.h
index e71d242..c5a6b81 100644
--- a/crnlib/crn_radix_sort.h
+++ b/crnlib/crn_radix_sort.h
@@ -1,5 +1,5 @@
 // File: crn_radix_sort.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_rand.cpp b/crnlib/crn_rand.cpp
index 507083f..bd86776 100644
--- a/crnlib/crn_rand.cpp
+++ b/crnlib/crn_rand.cpp
@@ -1,5 +1,5 @@
 // File: crn_rand.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 // See:
 // http://www.ciphersbyritter.com/NEWS4/RANDC.HTM
 // http://burtleburtle.net/bob/rand/smallprng.html
diff --git a/crnlib/crn_rand.h b/crnlib/crn_rand.h
index 3179dce..ccd3688 100644
--- a/crnlib/crn_rand.h
+++ b/crnlib/crn_rand.h
@@ -1,5 +1,5 @@
 // File: crn_rand.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once 
 
 namespace crnlib
diff --git a/crnlib/crn_ray.h b/crnlib/crn_ray.h
index b3893a2..fbf71b0 100644
--- a/crnlib/crn_ray.h
+++ b/crnlib/crn_ray.h
@@ -1,5 +1,5 @@
 // File: crn_ray.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_vec.h"
 
diff --git a/crnlib/crn_rect.h b/crnlib/crn_rect.h
index 9364c31..2698ea9 100644
--- a/crnlib/crn_rect.h
+++ b/crnlib/crn_rect.h
@@ -1,5 +1,5 @@
 // File: crn_rect.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_vec.h"
 #include "crn_hash.h"
diff --git a/crnlib/crn_rg_etc1.h b/crnlib/crn_rg_etc1.h
index ba8cad0..95eb213 100644
--- a/crnlib/crn_rg_etc1.h
+++ b/crnlib/crn_rg_etc1.h
@@ -1,5 +1,5 @@
 // File: rg_etc1.h - Fast, high quality ETC1 block packer/unpacker - Rich Geldreich <richgel99@gmail.com>
-// Please see ZLIB license at the end of this file.
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib {
@@ -52,29 +52,3 @@ namespace rg_etc1
 
 } // namespace crnlib
 
-//------------------------------------------------------------------------------
-//
-// rg_etc1 uses the ZLIB license:
-// http://opensource.org/licenses/Zlib
-//
-// Copyright (c) 2012 Rich Geldreich
-//
-// This software is provided 'as-is', without any express or implied
-// warranty.  In no event will the authors be held liable for any damages
-// arising from the use of this software.
-//
-// Permission is granted to anyone to use this software for any purpose,
-// including commercial applications, and to alter it and redistribute it
-// freely, subject to the following restrictions:
-//
-// 1. The origin of this software must not be misrepresented; you must not
-// claim that you wrote the original software. If you use this software
-// in a product, an acknowledgment in the product documentation would be
-// appreciated but is not required.
-//
-// 2. Altered source versions must be plainly marked as such, and must not be
-// misrepresented as being the original software.
-//
-// 3. This notice may not be removed or altered from any source distribution.
-//
-//------------------------------------------------------------------------------
diff --git a/crnlib/crn_sparse_array.h b/crnlib/crn_sparse_array.h
index 4e64ba0..3765db5 100644
--- a/crnlib/crn_sparse_array.h
+++ b/crnlib/crn_sparse_array.h
@@ -1,5 +1,5 @@
 // File: crn_sparse_array.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_sparse_bit_array.cpp b/crnlib/crn_sparse_bit_array.cpp
index d0bdcb3..998e0e5 100644
--- a/crnlib/crn_sparse_bit_array.cpp
+++ b/crnlib/crn_sparse_bit_array.cpp
@@ -1,5 +1,5 @@
 // File: crn_sparse_bit_array.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_sparse_bit_array.h"
 
diff --git a/crnlib/crn_sparse_bit_array.h b/crnlib/crn_sparse_bit_array.h
index 75a26bc..4ea9e53 100644
--- a/crnlib/crn_sparse_bit_array.h
+++ b/crnlib/crn_sparse_bit_array.h
@@ -1,5 +1,5 @@
 // File: crn_sparse_bit_array.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_strutils.cpp b/crnlib/crn_strutils.cpp
index 3a53c28..f4cfa6d 100644
--- a/crnlib/crn_strutils.cpp
+++ b/crnlib/crn_strutils.cpp
@@ -1,5 +1,5 @@
 // File: crn_strutils.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_strutils.h"
 
diff --git a/crnlib/crn_strutils.h b/crnlib/crn_strutils.h
index af4fbd0..c494377 100644
--- a/crnlib/crn_strutils.h
+++ b/crnlib/crn_strutils.h
@@ -1,5 +1,5 @@
 // File: crn_strutils.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #ifdef WIN32
diff --git a/crnlib/crn_symbol_codec.cpp b/crnlib/crn_symbol_codec.cpp
index 410b3e3..fe9e7cd 100644
--- a/crnlib/crn_symbol_codec.cpp
+++ b/crnlib/crn_symbol_codec.cpp
@@ -1,5 +1,5 @@
 // File: crn_symbol_codec.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_symbol_codec.h"
 #include "crn_huffman_codes.h"
diff --git a/crnlib/crn_symbol_codec.h b/crnlib/crn_symbol_codec.h
index 11ef458..59b6d86 100644
--- a/crnlib/crn_symbol_codec.h
+++ b/crnlib/crn_symbol_codec.h
@@ -1,5 +1,5 @@
 // File: crn_symbol_codec.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_prefix_coding.h"
 
diff --git a/crnlib/crn_texture_comp.cpp b/crnlib/crn_texture_comp.cpp
index 8423541..0f95181 100644
--- a/crnlib/crn_texture_comp.cpp
+++ b/crnlib/crn_texture_comp.cpp
@@ -1,5 +1,5 @@
 // File: crn_texture_comp.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_texture_comp.h"
 #include "crn_dds_comp.h"
diff --git a/crnlib/crn_texture_comp.h b/crnlib/crn_texture_comp.h
index 9319054..955101a 100644
--- a/crnlib/crn_texture_comp.h
+++ b/crnlib/crn_texture_comp.h
@@ -1,5 +1,5 @@
 // File: crn_texture_comp.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #include "../inc/crnlib.h"
diff --git a/crnlib/crn_texture_conversion.cpp b/crnlib/crn_texture_conversion.cpp
index 9255b8a..03573fb 100644
--- a/crnlib/crn_texture_conversion.cpp
+++ b/crnlib/crn_texture_conversion.cpp
@@ -1,5 +1,5 @@
 // File: crn_texture_conversion.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_texture_conversion.h"
 #include "crn_console.h"
diff --git a/crnlib/crn_texture_conversion.h b/crnlib/crn_texture_conversion.h
index 3b21915..5d4015d 100644
--- a/crnlib/crn_texture_conversion.h
+++ b/crnlib/crn_texture_conversion.h
@@ -1,5 +1,5 @@
 // File: crn_texture_conversion.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_dxt_image.h"
 #include "crn_mipmapped_texture.h"
diff --git a/crnlib/crn_texture_file_types.cpp b/crnlib/crn_texture_file_types.cpp
index e737ce9..a15f471 100644
--- a/crnlib/crn_texture_file_types.cpp
+++ b/crnlib/crn_texture_file_types.cpp
@@ -1,5 +1,5 @@
 // File: crn_texture_file_types.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_texture_file_types.h"
 #include "crn_file_utils.h"
diff --git a/crnlib/crn_texture_file_types.h b/crnlib/crn_texture_file_types.h
index dba4ed6..d3547b4 100644
--- a/crnlib/crn_texture_file_types.h
+++ b/crnlib/crn_texture_file_types.h
@@ -1,5 +1,5 @@
 // File: crn_texture_file_types.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "../inc/crnlib.h"
 #include "crn_vec.h"
diff --git a/crnlib/crn_threaded_clusterizer.h b/crnlib/crn_threaded_clusterizer.h
index 6d045dc..60165ca 100644
--- a/crnlib/crn_threaded_clusterizer.h
+++ b/crnlib/crn_threaded_clusterizer.h
@@ -1,5 +1,5 @@
 // File: crn_threaded_clusterizer.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_clusterizer.h"
 #include "crn_threading.h"
diff --git a/crnlib/crn_threaded_resampler.cpp b/crnlib/crn_threaded_resampler.cpp
index e46f391..a414d67 100644
--- a/crnlib/crn_threaded_resampler.cpp
+++ b/crnlib/crn_threaded_resampler.cpp
@@ -1,5 +1,5 @@
 // File: crn_threaded_resampler.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_threaded_resampler.h"
 #include "crn_resample_filters.h"
diff --git a/crnlib/crn_threaded_resampler.h b/crnlib/crn_threaded_resampler.h
index e94a8b6..9d49409 100644
--- a/crnlib/crn_threaded_resampler.h
+++ b/crnlib/crn_threaded_resampler.h
@@ -1,5 +1,5 @@
 // File: crn_threaded_resampler.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_resampler.h"
 #include "crn_vec.h"
diff --git a/crnlib/crn_threading.h b/crnlib/crn_threading.h
index 55463af..a3af5fd 100644
--- a/crnlib/crn_threading.h
+++ b/crnlib/crn_threading.h
@@ -1,5 +1,5 @@
 // File: crn_threading.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 
 #if CRNLIB_USE_WIN32_API
    #include "crn_threading_win32.h"
diff --git a/crnlib/crn_threading_null.h b/crnlib/crn_threading_null.h
index c52bef7..508899e 100644
--- a/crnlib/crn_threading_null.h
+++ b/crnlib/crn_threading_null.h
@@ -1,5 +1,5 @@
 // File: crn_threading_null.h
-// See Copyright Notice and license at the end of include/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #include "crn_atomics.h"
diff --git a/crnlib/crn_threading_pthreads.cpp b/crnlib/crn_threading_pthreads.cpp
index f57adb2..9ab08f8 100644
--- a/crnlib/crn_threading_pthreads.cpp
+++ b/crnlib/crn_threading_pthreads.cpp
@@ -1,5 +1,5 @@
 // File: crn_threading_pthreads.cpp
-// See Copyright Notice and license at the end of include/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_threading_pthreads.h"
 #include "crn_timer.h"
diff --git a/crnlib/crn_threading_pthreads.h b/crnlib/crn_threading_pthreads.h
index 547bb88..233d9eb 100644
--- a/crnlib/crn_threading_pthreads.h
+++ b/crnlib/crn_threading_pthreads.h
@@ -1,5 +1,5 @@
 // File: crn_threading_pthreads.h
-// See Copyright Notice and license at the end of include/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #if CRNLIB_USE_PTHREADS_API
diff --git a/crnlib/crn_threading_win32.cpp b/crnlib/crn_threading_win32.cpp
index 26eb3ea..ccef52a 100644
--- a/crnlib/crn_threading_win32.cpp
+++ b/crnlib/crn_threading_win32.cpp
@@ -1,5 +1,5 @@
 // File: crn_win32_threading.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_threading_win32.h"
 #include "crn_winhdr.h"
diff --git a/crnlib/crn_threading_win32.h b/crnlib/crn_threading_win32.h
index 098f1c3..df9e239 100644
--- a/crnlib/crn_threading_win32.h
+++ b/crnlib/crn_threading_win32.h
@@ -1,5 +1,5 @@
 // File: crn_win32_threading.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #include "crn_atomics.h"
diff --git a/crnlib/crn_timer.cpp b/crnlib/crn_timer.cpp
index 1c6fc4a..dfc7ab7 100644
--- a/crnlib/crn_timer.cpp
+++ b/crnlib/crn_timer.cpp
@@ -1,5 +1,5 @@
 // File: crn_win32_timer.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_timer.h"
 #include <time.h>
diff --git a/crnlib/crn_timer.h b/crnlib/crn_timer.h
index f96e532..4894a70 100644
--- a/crnlib/crn_timer.h
+++ b/crnlib/crn_timer.h
@@ -1,5 +1,5 @@
 // File: crn_win32_timer.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_traits.h b/crnlib/crn_traits.h
index 2d1e2c1..ec162d1 100644
--- a/crnlib/crn_traits.h
+++ b/crnlib/crn_traits.h
@@ -1,5 +1,5 @@
 // File: crn_traits.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_tree_clusterizer.h b/crnlib/crn_tree_clusterizer.h
index 8ace530..b4781c0 100644
--- a/crnlib/crn_tree_clusterizer.h
+++ b/crnlib/crn_tree_clusterizer.h
@@ -1,5 +1,5 @@
 // File: crn_tree_clusterizer.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_matrix.h"
 
diff --git a/crnlib/crn_types.h b/crnlib/crn_types.h
index 20ce526..60b019c 100644
--- a/crnlib/crn_types.h
+++ b/crnlib/crn_types.h
@@ -1,5 +1,5 @@
 // File: crn_types.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_utils.h b/crnlib/crn_utils.h
index 3cb5332..47a38f4 100644
--- a/crnlib/crn_utils.h
+++ b/crnlib/crn_utils.h
@@ -1,5 +1,5 @@
 // File: crn_utils.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #define CRNLIB_MIN(a, b) (((a) < (b)) ? (a) : (b))
diff --git a/crnlib/crn_value.cpp b/crnlib/crn_value.cpp
index 7724500..8208782 100644
--- a/crnlib/crn_value.cpp
+++ b/crnlib/crn_value.cpp
@@ -1,5 +1,5 @@
 // File: crn_value.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_value.h"
 
diff --git a/crnlib/crn_value.h b/crnlib/crn_value.h
index eabff1f..3d94767 100644
--- a/crnlib/crn_value.h
+++ b/crnlib/crn_value.h
@@ -1,5 +1,5 @@
 // File: crn_value.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_strutils.h"
 #include "crn_dynamic_string.h"
diff --git a/crnlib/crn_vec.h b/crnlib/crn_vec.h
index f380aa2..99f88ac 100644
--- a/crnlib/crn_vec.h
+++ b/crnlib/crn_vec.h
@@ -1,5 +1,5 @@
 // File: crn_vec.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #include "crn_core.h"
diff --git a/crnlib/crn_vec_interval.h b/crnlib/crn_vec_interval.h
index 8dc452e..47a9212 100644
--- a/crnlib/crn_vec_interval.h
+++ b/crnlib/crn_vec_interval.h
@@ -1,5 +1,5 @@
 // File: crn_vec_interval.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_vec.h"
 
diff --git a/crnlib/crn_vector.cpp b/crnlib/crn_vector.cpp
index 8c21125..5b52c2f 100644
--- a/crnlib/crn_vector.cpp
+++ b/crnlib/crn_vector.cpp
@@ -1,5 +1,5 @@
 // File: crn_vector.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "crn_vector.h"
 #include "crn_rand.h"
diff --git a/crnlib/crn_vector.h b/crnlib/crn_vector.h
index 5f56f94..75b6a76 100644
--- a/crnlib/crn_vector.h
+++ b/crnlib/crn_vector.h
@@ -1,5 +1,5 @@
 // File: crn_vector.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace crnlib
diff --git a/crnlib/crn_zeng.cpp b/crnlib/crn_zeng.cpp
index 9f1fa2b..00326b9 100644
--- a/crnlib/crn_zeng.cpp
+++ b/crnlib/crn_zeng.cpp
@@ -1,5 +1,5 @@
 // File: crn_zeng.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 // Modified Zeng's technique for codebook/palette reordering
 // Evaluation of some reordering techniques for image VQ index compression, António R. C. Paiva , O J. Pinho
 // http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.88.7221 
diff --git a/crnlib/crn_zeng.h b/crnlib/crn_zeng.h
index bf37bea..34c296f 100644
--- a/crnlib/crn_zeng.h
+++ b/crnlib/crn_zeng.h
@@ -1,5 +1,5 @@
 // File: crn_zeng.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 
 namespace crnlib
 {
diff --git a/crnlib/crnlib.cpp b/crnlib/crnlib.cpp
index b5fb42b..751d9cf 100644
--- a/crnlib/crnlib.cpp
+++ b/crnlib/crnlib.cpp
@@ -1,5 +1,5 @@
 // File: crnlib.cpp
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include "crn_core.h"
 #include "../inc/crnlib.h"
 #include "crn_comp.h"
diff --git a/crnlib/lzham_timer.cpp b/crnlib/lzham_timer.cpp
index 90aa536..75df879 100644
--- a/crnlib/lzham_timer.cpp
+++ b/crnlib/lzham_timer.cpp
@@ -1,5 +1,5 @@
 // File: lzham_timer.cpp
-// See Copyright Notice and license at the end of include/lzham.h
+// This software is in the public domain. Please see license.txt.
 #include "lzham_core.h"
 #include "lzham_timer.h"
 
@@ -144,4 +144,4 @@ namespace lzham
       return ticks * g_inv_freq;
    }
    
-} // namespace lzham
\ No newline at end of file
+} // namespace lzham
diff --git a/crnlib/lzham_timer.h b/crnlib/lzham_timer.h
index d011a2b..bb50eba 100644
--- a/crnlib/lzham_timer.h
+++ b/crnlib/lzham_timer.h
@@ -1,5 +1,5 @@
 // File: lzham_timer.h
-// See Copyright Notice and license at the end of include/lzham.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 namespace lzham
diff --git a/crnlib/lzham_win32_threading.cpp b/crnlib/lzham_win32_threading.cpp
index a3372a2..ec250f5 100644
--- a/crnlib/lzham_win32_threading.cpp
+++ b/crnlib/lzham_win32_threading.cpp
@@ -1,5 +1,5 @@
 // File: lzham_task_pool_win32.cpp
-// See Copyright Notice and license at the end of include/lzham.h
+// This software is in the public domain. Please see license.txt.
 #include "lzham_core.h"
 #include "lzham_win32_threading.h"
 #include "lzham_timer.h"
diff --git a/crnlib/lzham_win32_threading.h b/crnlib/lzham_win32_threading.h
index 640dc8f..8125d21 100644
--- a/crnlib/lzham_win32_threading.h
+++ b/crnlib/lzham_win32_threading.h
@@ -1,5 +1,5 @@
 // File: lzham_task_pool_win32.h
-// See Copyright Notice and license at the end of include/lzham.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 
 #if LZHAM_USE_WIN32_API
diff --git a/crunch/corpus_gen.cpp b/crunch/corpus_gen.cpp
index 792e57d..be4bbe4 100644
--- a/crunch/corpus_gen.cpp
+++ b/crunch/corpus_gen.cpp
@@ -1,5 +1,5 @@
 // File: corpus_gen.cpp - Block compression corpus generator.
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 //
 // Example command line:
 // -gentest [-deep] [-blockpercentage .035] [-width 4096] [-height 4096] -in c:\temp\*.jpg [-in c:\temp\*.jpeg] [-in @blah.txt]
diff --git a/crunch/corpus_gen.h b/crunch/corpus_gen.h
index dbbec5d..56179b7 100644
--- a/crunch/corpus_gen.h
+++ b/crunch/corpus_gen.h
@@ -1,5 +1,5 @@
 // File: corpus_gen.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_command_line_params.h"
 #include "crn_image.h"
diff --git a/crunch/corpus_test.h b/crunch/corpus_test.h
index 8368761..8e10ab1 100644
--- a/crunch/corpus_test.h
+++ b/crunch/corpus_test.h
@@ -1,5 +1,5 @@
 // File: corpus_test.h
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #pragma once
 #include "crn_command_line_params.h"
 #include "crn_image_utils.h"
diff --git a/crunch/crunch.cpp b/crunch/crunch.cpp
index 58b5456..f0490f7 100644
--- a/crunch/crunch.cpp
+++ b/crunch/crunch.cpp
@@ -4,7 +4,7 @@
 // implemented as a single class "crunch" which in theory is reusable. Most of the heavy
 // lifting is actually done by functions in the crnlib::texture_conversion namespace,
 // which are mostly wrappers over the public crnlib.h functions.
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 //
 // Important: If compiling with gcc, be sure strict aliasing is disabled: -fno-strict-aliasing
 #include "crn_core.h"
@@ -1254,7 +1254,6 @@ static bool check_for_option(int argc, char *argv[], const char *pOption)
 static void print_title()
 {
    console::printf("crunch: Advanced DXTn Texture Compressor - https://github.com/BinomialLLC/crunch");
-   console::printf("Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.");
    console::printf("crnlib version v%u.%02u %s Built %s, %s", CRNLIB_VERSION / 100U, CRNLIB_VERSION % 100U, crnlib_is_x64() ? "x64" : "x86", __DATE__, __TIME__);
    console::printf("");
 }
diff --git a/example1/example1.cpp b/example1/example1.cpp
index 52ec039..1daa20c 100644
--- a/example1/example1.cpp
+++ b/example1/example1.cpp
@@ -1,6 +1,6 @@
 // File: example1.cpp - Simple command line tool that uses the crnlib lib and the crn_decomp.h header file library 
 // to compress, transcode/unpack, and inspect CRN/DDS textures.
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include <stdlib.h>
 #include <stdio.h>
 #include <math.h>
@@ -33,7 +33,6 @@ const int cDefaultCRNQualityLevel = 128;
 static int print_usage()
 {
    printf("Description: Simple crnlib API example program.\n");
-   printf("Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.\n");
    printf("Usage: example1 [mode: i/c/d] [source_file] [options]\n");
    printf("\nModes:\n");
    printf("c: Compress to .DDS or .CRN using the crn_compress() func. in crnlib.h\n");
diff --git a/example2/example2.cpp b/example2/example2.cpp
index d1d6d40..970fdda 100644
--- a/example2/example2.cpp
+++ b/example2/example2.cpp
@@ -5,7 +5,7 @@
 // This is the basic functionality a game engine would need to employ at runtime to utilize 
 // .CRN textures (excluding writing the output DDS file - instead you would provide the DXTn
 // bits directly to OpenGL/D3D).
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include <stdlib.h>
 #include <stdio.h>
 #include <math.h>
@@ -24,7 +24,6 @@ using namespace crnlib;
 static int print_usage()
 {
    printf("Description: Transcodes .CRN to .DDS files using crn_decomp.h.\n");
-   printf("Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.\n");
    printf("Usage: example2 [source_file] [options]\n");
    printf("\nOptions:\n");
    printf("-out filename - Force output filename.\n");
diff --git a/example3/example3.cpp b/example3/example3.cpp
index 6ea8f3a..65b4d81 100644
--- a/example3/example3.cpp
+++ b/example3/example3.cpp
@@ -3,7 +3,7 @@
 // so it's not going to be fast. 
 // Also note that this sample only demonstrates traditional/vanilla 4x4 DXTn block compression (not CRN).
 
-// See Copyright Notice and license at the end of inc/crnlib.h
+// This software is in the public domain. Please see license.txt.
 #include <stdlib.h>
 #include <stdio.h>
 #include <math.h>
@@ -29,7 +29,6 @@ const uint cDXTBlockSize = 4;
 static int print_usage()
 {
    printf("Description: Simple .DDS DXTn block compression using crnlib.\n");
-   printf("Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.\n");
    printf("Usage: example3 [source_file] [options]\n");
    printf("\n");
    printf("Note: This simple example is not multithreaded, so it's not going to be\n");
diff --git a/inc/crn_decomp.h b/inc/crn_decomp.h
index 2c626af..25f7844 100644
--- a/inc/crn_decomp.h
+++ b/inc/crn_decomp.h
@@ -1,6 +1,5 @@
 // File: crn_decomp.h - Fast CRN->DXTc texture transcoder header file library
-// Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.
-// See Copyright Notice and license at the end of this file.
+// This software is in the public domain. Please see license.txt.
 //
 // This single header file contains *all* of the code necessary to unpack .CRN files to raw DXTn bits.
 // It does NOT depend on the crn compression library.
@@ -4811,33 +4810,4 @@ namespace crnd
 
 #endif // CRND_HEADER_FILE_ONLY
 
-  //------------------------------------------------------------------------------
-  //
-  // crunch/crnlib uses a modified ZLIB license. Specifically, it's the same as zlib except that 
-  // public credits for using the library are *required*.
-  // 
-  // Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.
-  //
-  // This software is provided 'as-is', without any express or implied
-  // warranty.  In no event will the authors be held liable for any damages
-  // arising from the use of this software.
-  // 
-  // Permission is granted to anyone to use this software for any purpose,
-  // including commercial applications, and to alter it and redistribute it
-  // freely, subject to the following restrictions:
-  // 
-  // 1. The origin of this software must not be misrepresented; you must not
-  // claim that you wrote the original software. 
-  // 
-  // 2. If you use this software in a product, this acknowledgment in the product 
-  // documentation or credits is required:
-  // 
-  // "Crunch Library Copyright (c) 2010-2016 Richard Geldreich, Jr."
-  // 
-  // 3. Altered source versions must be plainly marked as such, and must not be
-  // misrepresented as being the original software.
-  // 
-  // 4. This notice may not be removed or altered from any source distribution.
-  //
-  //------------------------------------------------------------------------------
 
diff --git a/inc/crnlib.h b/inc/crnlib.h
index f07142a..7a8e9aa 100644
--- a/inc/crnlib.h
+++ b/inc/crnlib.h
@@ -1,6 +1,5 @@
 // File: crnlib.h - Advanced DXTn texture compression library.
-// Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.
-// See copyright notice and license at the end of this file.
+// This software is in the public domain. Please see license.txt.
 //
 // This header file contains the public crnlib declarations for DXTn,
 // clustered DXTn, and CRN compression/decompression.
@@ -614,32 +613,3 @@ bool crn_decompress_block(const void *pSrc_block, crn_uint32 *pDst_pixels, crn_f
 
 #endif // CRNLIB_H
 
-//------------------------------------------------------------------------------
-//
-// crunch/crnlib uses a modified ZLIB license. Specifically, it's the same as zlib except that 
-// public credits for using the library are *required*.
-// 
-// Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.
-//
-// This software is provided 'as-is', without any express or implied
-// warranty.  In no event will the authors be held liable for any damages
-// arising from the use of this software.
-// 
-// Permission is granted to anyone to use this software for any purpose,
-// including commercial applications, and to alter it and redistribute it
-// freely, subject to the following restrictions:
-// 
-// 1. The origin of this software must not be misrepresented; you must not
-// claim that you wrote the original software. 
-// 
-// 2. If you use this software in a product, this acknowledgment in the product 
-// documentation or credits is required:
-// 
-// "Crunch Library Copyright (c) 2010-2016 Richard Geldreich, Jr."
-// 
-// 3. Altered source versions must be plainly marked as such, and must not be
-// misrepresented as being the original software.
-// 
-// 4. This notice may not be removed or altered from any source distribution.
-//
-//------------------------------------------------------------------------------
diff --git a/license.txt b/license.txt
index a24f762..9c657fe 100644
--- a/license.txt
+++ b/license.txt
@@ -1,25 +1,56 @@
-crunch/crnlib uses a modified ZLIB license. Specifically, it's the same as zlib except that 
-public credits for using the library are *required*.
+THIS SOFTWARE IS IN THE PUBLIC DOMAIN
 
-Copyright (c) 2010-2016 Richard Geldreich, Jr. All rights reserved.
+THIS IS FREE AND UNENCUMBERED SOFTWARE EXPLICITLY AND OVERTLY RELEASED AND
+CONTRIBUTED TO THE PUBLIC DOMAIN, PERMANENTLY, IRREVOCABLY AND UNCONDITIONALLY
+WAIVING ANY AND ALL CLAIM OF COPYRIGHT, IN PERPETUITY ON SEPTEMBER 15, 2020.
 
-This software is provided 'as-is', without any express or implied
-warranty.  In no event will the authors be held liable for any damages
-arising from the use of this software.
+1. FALLBACK CLAUSES
 
-Permission is granted to anyone to use this software for any purpose,
-including commercial applications, and to alter it and redistribute it
-freely, subject to the following restrictions:
+THIS SOFTWARE MAY BE FREELY USED, DERIVED FROM, EXECUTED, LINKED WITH, MODIFIED
+AND DISTRIBUTED FOR ANY PURPOSE, COMMERCIAL OR NON-COMMERCIAL, BY ANYONE, FOR
+ANY REASON, WITH NO ATTRIBUTION, IN PERPETUITY.
 
-1. The origin of this software must not be misrepresented; you must not
-claim that you wrote the original software. 
+THE AUTHOR OR AUTHORS OF THIS WORK HEREBY OVERTLY, FULLY, PERMANENTLY,
+IRREVOCABLY AND UNCONDITIONALLY FORFEITS AND WAIVES ALL CLAIM OF COPYRIGHT
+(ECONOMIC AND MORAL), ANY AND ALL RIGHTS OF INTEGRITY, AND ANY AND ALL RIGHTS OF
+ATTRIBUTION. ANYONE IS FREE TO COPY, MODIFY, ENHANCE, OPTIMIZE, PUBLISH, USE,
+COMPILE, DECOMPILE, ASSEMBLE, DISASSEMBLE, DOWNLOAD, UPLOAD, TRANSMIT, RECEIVE,
+SELL, FORK, DERIVE FROM, LINK, LINK TO, CALL, REFERENCE, WRAP, THUNK, ENCODE,
+ENCRYPT, TRANSFORM, STORE, RETRIEVE, DISTORT, DESTROY, RENAME, DELETE,
+BROADCAST, OR DISTRIBUTE THIS SOFTWARE, EITHER IN SOURCE CODE FORM, IN A
+TRANSLATED FORM, AS A LIBRARY, AS TEXT, IN PRINT, OR AS A COMPILED BINARY OR
+EXECUTABLE PROGRAM, OR IN DIGITAL FORM, OR IN ANALOG FORM, OR IN PHYSICAL FORM,
+OR IN ANY OTHER REPRESENTATION, FOR ANY PURPOSE, COMMERCIAL OR NON-COMMERCIAL,
+AND BY ANY MEANS, WITH NO ATTRIBUTION, IN PERPETUITY.
 
-2. If you use this software in a product, this acknowledgment in the product 
-documentation or credits is required:
+2. ANTI-COPYRIGHT WAIVER AND STATEMENT OF INTENT
 
-"Crunch Library Copyright (c) 2010-2016 Richard Geldreich, Jr."
+IN JURISDICTIONS THAT RECOGNIZE COPYRIGHT LAWS, THE AUTHOR OR AUTHORS OF THIS
+SOFTWARE OVERTLY, FULLY, PERMANENTLY, IRREVOCABLY AND UNCONDITIONALLY DEDICATE,
+FORFEIT, AND WAIVE ANY AND ALL COPYRIGHT INTEREST IN THE SOFTWARE TO THE PUBLIC
+DOMAIN. WE MAKE THIS DEDICATION AND WAIVER FOR THE BENEFIT OF THE PUBLIC AT
+LARGE AND TO THE DETRIMENT OF OUR HEIRS AND SUCCESSORS. WE INTEND THIS
+DEDICATION AND WAIVER TO BE AN OVERT ACT OF RELINQUISHMENT IN PERPETUITY OF ALL
+PRESENT AND FUTURE RIGHTS TO THIS SOFTWARE UNDER COPYRIGHT LAW. WE INTEND THIS
+SOFTWARE TO BE FREELY USED, COMPILED, EXECUTED, MODIFIED, PUBLISHED, DERIVED
+FROM, OR DISTRIBUTED BY ANYONE, FOR ANY COMMERCIAL OR NON-COMMERCIAL USE, WITH
+NO ATTRIBUTION, IN PERPETUITY.
 
-3. Altered source versions must be plainly marked as such, and must not be
-misrepresented as being the original software.
+3. NO WARRANTY CLAUSE
 
-4. This notice may not be removed or altered from any source distribution.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR OR
+AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE, OR DERIVING FROM THE SOFTWARE, OR LINKING WITH THE SOFTWARE,
+OR CALLING THE SOFTWARE, OR EXECUTING THE SOFTWARE, OR THE USE OR OTHER DEALINGS
+IN THE SOFTWARE.
+
+4. FINAL ANTI-COPYRIGHT AND INTENT FALLBACK CLAUSE
+
+SHOULD ANY PART OF THIS PUBLIC DOMAIN DECLARATION, OR THE FALLBACK CLAUSES, OR
+THE ANTI-COPYRIGHT WAIVER FOR ANY REASON BE JUDGED LEGALLY INVALID OR
+INEFFECTIVE UNDER APPLICABLE LAW, THEN THE PUBLIC DOMAIN DECLARATION, THE
+FALLBACK CLAUSES, AND ANTI-COPYRIGHT WAIVER SHALL BE PRESERVED TO THE MAXIMUM
+EXTENT PERMITTED BY LAW TAKING INTO ACCOUNT THE ABOVE STATEMENT OF INTENT.
\ No newline at end of file