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+Issue 6880 (https://github.com/doxygen/doxygen/issues/6880) required fixes to the mscgen tool.
+Since this tool is no longer maintained, it was decided to build mscgen as part of doxygen.
+This directory contains the mscgen code.
+
+Since mscgen depends on libgd for PNG output, a part of the gd library is included as well.
+Instead of using libpng as PNG generator, the lodepng library is used. This PNG library was
+already part of doxygen. Module gd_lodepng.c was added to make libgd use lodepng.
+
+Original copyright statement follows:
+
+LICENCE
+=======
+
+Mscgen, Copyright (C) 2010 Michael C McTernan,
+ Michael.McTernan.2001@cs.bris.ac.uk
+Mscgen comes with ABSOLUTELY NO WARRANTY. Mscgen is free software, and you
+are welcome to redistribute it under certain conditions; see the COPYING
+file for details.
+
+