added 2 lines of comments

2018-08-08 03:47:12 +00:00 · 2018-08-08 03:47:12 +00:00 · 2aaff1b317
commit 2aaff1b317
parent d7f2458ed0
1 changed files with 2 additions and 0 deletions
--- a/lib/comp.c
+++ b/lib/comp.c
@ -1485,6 +1485,8 @@ static int compile_cons_xlist_expression (hcl_t* hcl, hcl_oop_t obj)

 		if (HCL_IS_SYMBOL(hcl, car))
 		{
+			/* only symbols are added to the system dictionary. 
+			 * perform this lookup only if car is a symbol */
 			sdc = hcl_getatsysdic(hcl, car);
 			if (sdc)
 			{