Change all bzip.org URLs to sourceware.org/bzip2
diff --git a/README b/README
index 771205a..c3bcbeb 100644
--- a/README
+++ b/README
@@ -73,7 +73,7 @@
 
 It's difficult for me to support compilation on all these platforms.
 My approach is to collect binaries for these platforms, and put them
-on the master web site (http://www.bzip.org).  Look there.  However
+on the master web site (https://sourceware.org/bzip2/).  Look there.  However
 (FWIW), bzip2-1.0.X is very standard ANSI C and should compile
 unmodified with MS Visual C.  If you have difficulties building, you
 might want to read README.COMPILATION.PROBLEMS.
@@ -194,7 +194,7 @@
 1.0.2 and 1.0.3, and the changes in bzip2 are largely a result of this
 feedback.  I thank you for your comments.
 
-bzip2's "home" is http://www.bzip.org/
+bzip2's "home" is https://sourceware.org/bzip2/
 
 Julian Seward
 jseward@acm.org
diff --git a/bzip2.1 b/bzip2.1
index d71c9b2..e386fa3 100644
--- a/bzip2.1
+++ b/bzip2.1
@@ -429,7 +429,7 @@
 .SH AUTHOR
 Julian Seward, jseward@acm.org.
 
-http://www.bzip.org
+https://sourceware.org/bzip2/
 
 The ideas embodied in
 .I bzip2
diff --git a/bzip2.1.preformatted b/bzip2.1.preformatted
index da67b66..5f8e38e 100644
--- a/bzip2.1.preformatted
+++ b/bzip2.1.preformatted
@@ -374,7 +374,7 @@
 AAUUTTHHOORR
        Julian Seward, jseward@acm.org.
 
-       http://www.bzip.org
+       https://sourceware.org/bzip2/
 
        The ideas embodied in _b_z_i_p_2 are due to (at least) the fol­
        lowing  people: Michael Burrows and David Wheeler (for the
diff --git a/bzip2.txt b/bzip2.txt
index 3122c31..0b9f74a 100644
--- a/bzip2.txt
+++ b/bzip2.txt
@@ -369,7 +369,7 @@
 AUTHOR
        Julian Seward, jseward@acm.org
 
-       http://www.bzip.org
+       https://sourceware.org/bzip2/
 
        The ideas embodied in bzip2 are due to (at least) the fol-
        lowing  people: Michael Burrows and David Wheeler (for the
diff --git a/entities.xml b/entities.xml
index 808a96a..0ff303e 100644
--- a/entities.xml
+++ b/entities.xml
@@ -1,5 +1,5 @@
 <!-- misc. strings -->
-<!ENTITY bz-url "http://www.bzip.org">
+<!ENTITY bz-url "https://sourceware.org/bzip2/">
 <!ENTITY bz-email "jseward@acm.org">
 <!ENTITY bz-lifespan "1996-2010">