Use correct location and do not compress man pages.

Index: setup.py
--- setup.py.orig
+++ setup.py
@@ -104,11 +104,11 @@ def build_man() -> None:
 
 def install_man(data_files: DataFilesT) -> None:
     man_dir = BUILD_DIR / 'man'
-    target = 'share/man/man1'
+    target = 'man/man1'
 
     for man in MAN_FILES:
         man_file_gz = str(man_dir / (man + '.gz'))
-        data_files.append((target, [man_file_gz]))
+        data_files.append((target, [os.path.join('data', man)]))
 
 
 def build_intl() -> None:
