*/
void be_java_coal_set_color(be_java_coal_t *c, int n, int col);
+/**
+ * Set debug information for a node.
+ * @param n The node.
+ * @param dbg Some string copied to Java.
+ */
+void be_java_coal_set_debug(be_java_coal_t *c, int n, const char *dbg);
+
/**
* Forbid a color for a node.
* Afterwards, the node may not be assigned that color.