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-rw-r--r--graphics/pgf/contrib/circuitikz/tex/pgfcircshapes.tex5
1 files changed, 4 insertions, 1 deletions
diff --git a/graphics/pgf/contrib/circuitikz/tex/pgfcircshapes.tex b/graphics/pgf/contrib/circuitikz/tex/pgfcircshapes.tex
index 3ccf5abfcb..823ff5b632 100644
--- a/graphics/pgf/contrib/circuitikz/tex/pgfcircshapes.tex
+++ b/graphics/pgf/contrib/circuitikz/tex/pgfcircshapes.tex
@@ -1,4 +1,7 @@
-% Copyright 2007-2009 by Massimo Redaelli
+% Copyright 2018-2020 by Romano Giannetti
+% Copyright 2015-2020 by Stefan Lindner
+% Copyright 2013-2020 by Stefan Erhardt
+% Copyright 2007-2020 by Massimo Redaelli
%
% This file may be distributed and/or modified
%