Fix style
diff --git a/include/bc.h b/include/bc.h
index 430b4c4..74c972e 100644
--- a/include/bc.h
+++ b/include/bc.h
@@ -128,6 +128,7 @@
 #define BC_PARSE_TOP_OP(p) (*((BcLexType*) bc_vec_top(&(p)->ops)))
 #define BC_PARSE_LEAF(prev, bin_last, rparen) \
 	(!(bin_last) && ((rparen) || bc_parse_inst_isLeaf(prev)))
+
 #if BC_ENABLE_EXTRA_MATH
 #define BC_PARSE_INST_VAR(t) \
 	((t) >= BC_INST_VAR && (t) <= BC_INST_SEED && (t) != BC_INST_ARRAY)