From: Dan Cermak <dcermak@suse.com>
Date: 

---
 src/parallel |    2 ++
 src/sem      |    2 ++
 2 files changed, 4 insertions(+)

Index: parallel-20200522/src/parallel
===================================================================
--- parallel-20200522.orig/src/parallel
+++ parallel-20200522/src/parallel
@@ -2028,7 +2028,9 @@ sub parse_options(@) {
     #
     # If you want GNU Parallel to be maintained in the future keep
     # this line.
+    if (0) {
     citation_notice();
+    }
     # Seriously: _YOU_ will be harming free software by removing the
     # notice.  _YOU_ make it harder to justify spending time developing
     # it. If you *do* remove the line, please email
Index: parallel-20200522/src/sem
===================================================================
--- parallel-20200522.orig/src/sem
+++ parallel-20200522/src/sem
@@ -2028,7 +2028,9 @@ sub parse_options(@) {
     #
     # If you want GNU Parallel to be maintained in the future keep
     # this line.
+    if (0) {
     citation_notice();
+    }
     # Seriously: _YOU_ will be harming free software by removing the
     # notice.  _YOU_ make it harder to justify spending time developing
     # it. If you *do* remove the line, please email