---- mpfr-3.1.0/doc/mpfr.texi.orig 2005-09-16 12:55:55.000000000 +0200
-+++ mpfr-3.1.0/doc/mpfr.texi 2006-04-23 20:49:04.601985250 +0200
-@@ -38,9 +38,9 @@
- @c UPDATED-MONTH.
-
+diff -urNp -x '*.orig' mpfr-4.1.0.org/doc/mpfr.texi mpfr-4.1.0/doc/mpfr.texi
+--- mpfr-4.1.0.org/doc/mpfr.texi 2020-07-10 13:52:33.000000000 +0200
++++ mpfr-4.1.0/doc/mpfr.texi 2021-05-05 20:42:44.071571028 +0200
+@@ -32,9 +32,9 @@ with no Front-Cover Texts, and with no B
+ license is included in @ref{GNU Free Documentation License}.
+ @end copying
-@dircategory Software libraries
+@dircategory Libraries