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-rw-r--r--solenv/inc/doxygen.cfg2
1 files changed, 1 insertions, 1 deletions
diff --git a/solenv/inc/doxygen.cfg b/solenv/inc/doxygen.cfg
index afd195ee8e57..a78e3f2469a7 100644
--- a/solenv/inc/doxygen.cfg
+++ b/solenv/inc/doxygen.cfg
@@ -1832,7 +1832,7 @@ DIRECTORY_GRAPH = YES
# HTML_FILE_EXTENSION to xhtml in order to make the SVG files
# visible in IE 9+ (other browsers do not have this requirement).
-DOT_IMAGE_FORMAT = png
+DOT_IMAGE_FORMAT = gif
# If DOT_IMAGE_FORMAT is set to svg, then this option can be set to YES to
# enable generation of interactive SVG images that allow zooming and panning.