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Without this patch, `SET (GRAPHVIZ_GRAPH_NAME "hello world")` does not work (it results in a parsing error in GraphViz when the generated output is processed), but `SET (GRAPHVIZ_GRAPH_NAME "\"hello world\"")` does.
e0ad72d8
Without this patch, `SET (GRAPHVIZ_GRAPH_NAME "hello world")` does not work (it results in a parsing error in GraphViz when the generated output is processed), but `SET (GRAPHVIZ_GRAPH_NAME "\"hello world\"")` does.